answer string | choices dict | id string | kind string | lang string | question string | steps list | subject string | text string | topic string |
|---|---|---|---|---|---|---|---|---|---|
One plot: 30 ha. | null | oth_0151 | worked_example | en | A park of 150 hectares splits into 5 plots. Find one plot's size. | [
"Total 150.",
"Plots 5.",
"150 / 5 = 30."
] | other | Answer: One plot: 30 ha.
Steps:
1. Total 150.
2. Plots 5.
3. 150 / 5 = 30. | geography |
Dva oběhy trvají 200 dní. | {
"A": "100 days",
"B": "200 days",
"C": "300 days",
"D": "400 days"
} | oth_0152 | multiple_choice | cs | Rok planety je 100 dní. Kolik dní jsou 2 oběhy? | [
"2 × 100.",
"= 200.",
"Vyber možnost B."
] | other | Answer: 200 days
Steps:
1. 2 × 100.
2. = 200.
3. Vyber možnost B.
Answer: (B) | astronomy |
Výdrž: 6 hodin. | null | oth_0153 | worked_example | cs | Baterie 3000 mAh krmí zařízení 500 mA. Spočítej hodiny výdrže. | [
"3000 / 500.",
"= 6."
] | other | Answer: Výdrž: 6 hodin.
Steps:
1. 3000 / 500.
2. = 6. | everyday_science |
Time: 7 seconds. | null | oth_0154 | worked_example | en | A 350 MB file downloads at 50 MB/s. Compute the seconds. | [
"350 / 50.",
"= 7."
] | other | Answer: Time: 7 seconds.
Steps:
1. 350 / 50.
2. = 7. | technology |
Fourteen lines with strict rhyme and turn. | null | oth_0155 | concept | en | What is a sonnet? | [
"Fourteen lines with strict rhyme and turn.",
"So the answer stands: Fourteen lines with strict rhyme and turn."
] | other | Answer: Fourteen lines with strict rhyme and turn.
Steps:
1. Fourteen lines with strict rhyme and turn.
2. So the answer stands: Fourteen lines with strict rhyme and turn. | arts_basics |
Deep rest consolidates skill and restores tissue. | null | oth_0156 | concept | en | Why sleep for sport? | [
"Deep rest consolidates skill and restores tissue.",
"So the answer stands: Deep rest consolidates skill and restores tissue."
] | other | Answer: Deep rest consolidates skill and restores tissue.
Steps:
1. Deep rest consolidates skill and restores tissue.
2. So the answer stands: Deep rest consolidates skill and restores tissue. | sports_science |
Local time: 14:00. | null | oth_0157 | worked_example | en | Prague shows 9:00; a city is +5 h ahead. Find the local time. | [
"Base 9.",
"Add 5.",
"= 14:00."
] | other | Answer: Local time: 14:00.
Steps:
1. Base 9.
2. Add 5.
3. = 14:00. | geography |
Zdánlivá šířka je 5°. | {
"A": "0°",
"B": "10°",
"C": "5°",
"D": "15°"
} | oth_0158 | multiple_choice | cs | Dalekohled zvětšuje 10×; Měsíc měří 0,5°. Jak široký se zdá? | [
"0,5 × 10.",
"= 5°.",
"Vyber možnost C."
] | other | Answer: 5°
Steps:
1. 0,5 × 10.
2. = 5°.
3. Vyber možnost C.
Answer: (C) | astronomy |
Final temperature: 19 °C. | null | oth_0159 | worked_example | en | A fridge at 25 °C cools 3 °C per hour for 2 h. Find the final temperature. | [
"Drop: 3×2.",
"25 − 6.",
"= 19 °C."
] | other | Answer: Final temperature: 19 °C.
Steps:
1. Drop: 3×2.
2. 25 − 6.
3. = 19 °C. | everyday_science |
Copies survive disk death, theft, and ransomware. | null | oth_0160 | concept | en | Why backups? | [
"Copies survive disk death, theft, and ransomware.",
"So the answer stands: Copies survive disk death, theft, and ransomware."
] | other | Answer: Copies survive disk death, theft, and ransomware.
Steps:
1. Copies survive disk death, theft, and ransomware.
2. So the answer stands: Copies survive disk death, theft, and ransomware. | technology |
Reading takes 5 weeks. | {
"A": "4",
"B": "6",
"C": "7",
"D": "5"
} | oth_0161 | multiple_choice | en | A novel has 15 chapters; 3 are read per week. How many weeks? | [
"15 / 3.",
"= 5.",
"Select option D."
] | other | Answer: 5
Steps:
1. 15 / 3.
2. = 5.
3. Select option D.
Answer: (D) | arts_basics |
Total: 1200 kcal. | null | oth_0162 | worked_example | en | Training burns 400 kcal per session over 3 sessions. Compute total kcal. | [
"400 × 3.",
"= 1200."
] | other | Answer: Total: 1200 kcal.
Steps:
1. 400 × 3.
2. = 1200. | sports_science |
Real distance: 5 km. | null | oth_0163 | worked_example | en | A 1:100000 map shows 5 cm. Convert to real km. | [
"1 cm = 1 km.",
"5 cm.",
"= 5 km."
] | other | Answer: Real distance: 5 km.
Steps:
1. 1 cm = 1 km.
2. 5 cm.
3. = 5 km. | geography |
Light time is 24 min. | {
"A": "16 min",
"B": "24 min",
"C": "32 min",
"D": "40 min"
} | oth_0164 | multiple_choice | en | Sunlight takes 8 min per AU. How long to a planet at 3 AU? | [
"8 × 3.",
"= 24 min.",
"Select option B."
] | other | Answer: 24 min
Steps:
1. 8 × 3.
2. = 24 min.
3. Select option B.
Answer: (B) | astronomy |
It lowers freezing point, turning ice to water below 0 °C. | null | oth_0165 | concept | en | Why does salt melt ice? | [
"It lowers freezing point, turning ice to water below 0 °C.",
"So the answer stands: It lowers freezing point, turning ice to water below 0 °C."
] | other | Answer: It lowers freezing point, turning ice to water below 0 °C.
Steps:
1. It lowers freezing point, turning ice to water below 0 °C.
2. So the answer stands: It lowers freezing point, turning ice to water below 0 °C. | everyday_science |
Resolution: 6 MP. | null | oth_0166 | worked_example | en | A photo is 6000×1000 px. Compute the megapixels. | [
"6000×1000.",
"/1e6.",
"= 6."
] | other | Answer: Resolution: 6 MP.
Steps:
1. 6000×1000.
2. /1e6.
3. = 6. | technology |
They preserve and explain shared heritage publicly. | null | oth_0167 | concept | en | Why museums? | [
"They preserve and explain shared heritage publicly.",
"So the answer stands: They preserve and explain shared heritage publicly."
] | other | Answer: They preserve and explain shared heritage publicly.
Steps:
1. They preserve and explain shared heritage publicly.
2. So the answer stands: They preserve and explain shared heritage publicly. | arts_basics |
Even effort distribution wins endurance races. | null | oth_0168 | concept | en | What is pacing? | [
"Even effort distribution wins endurance races.",
"So the answer stands: Even effort distribution wins endurance races."
] | other | Answer: Even effort distribution wins endurance races.
Steps:
1. Even effort distribution wins endurance races.
2. So the answer stands: Even effort distribution wins endurance races. | sports_science |
Tilted axis aims hemispheres at the Sun alternately through the year. | null | oth_0169 | concept | en | Why seasons? | [
"Tilted axis aims hemispheres at the Sun alternately through the year.",
"So the answer stands: Tilted axis aims hemispheres at the Sun alternately through the year."
] | other | Answer: Tilted axis aims hemispheres at the Sun alternately through the year.
Steps:
1. Tilted axis aims hemispheres at the Sun alternately through the year.
2. So the answer stands: Tilted axis aims hemispheres at the Sun alternately through the year. | geography |
Fusion in cores turns mass into light steadily. | null | oth_0170 | concept | en | Why stars shine? | [
"Fusion in cores turns mass into light steadily.",
"So the answer stands: Fusion in cores turns mass into light steadily."
] | other | Answer: Fusion in cores turns mass into light steadily.
Steps:
1. Fusion in cores turns mass into light steadily.
2. So the answer stands: Fusion in cores turns mass into light steadily. | astronomy |
Water needed: 9 litres. | null | oth_0171 | worked_example | en | Pasta needs 3 litre per 100 g. Compute litres for 300 g. | [
"300/100 = 3.",
"3 × 3.",
"= 9."
] | other | Answer: Water needed: 9 litres.
Steps:
1. 300/100 = 3.
2. 3 × 3.
3. = 9. | everyday_science |
Rozlišení je 2 megapixely. | {
"A": "1",
"B": "2",
"C": "3",
"D": "4"
} | oth_0172 | multiple_choice | cs | Fotka měří 2000×1000 px. Kolik megapixelů? | [
"2000×1000/1e6.",
"= 2.",
"Vyber možnost B."
] | other | Answer: 2
Steps:
1. 2000×1000/1e6.
2. = 2.
3. Vyber možnost B.
Answer: (B) | technology |
Total: 24. | null | oth_0173 | worked_example | en | A song has 6 verses of 4 lines. Count all lines. | [
"Verses: 6.",
"Each: 4.",
"6 × 4 = 24."
] | other | Answer: Total: 24.
Steps:
1. Verses: 6.
2. Each: 4.
3. 6 × 4 = 24. | arts_basics |
Vrcholná spotřeba kyslíku. | null | oth_0174 | concept | cs | Co je VO2max? | [
"Vrcholná spotřeba kyslíku.",
"Odpověď tedy platí: Vrcholná spotřeba kyslíku."
] | other | Answer: Vrcholná spotřeba kyslíku.
Steps:
1. Vrcholná spotřeba kyslíku.
2. Odpověď tedy platí: Vrcholná spotřeba kyslíku. | sports_science |
Real distance is 3 km. | {
"A": "2 km",
"B": "4 km",
"C": "3 km",
"D": "5 km"
} | oth_0175 | multiple_choice | en | A 1:100000 map shows 3 cm. How many km is that really? | [
"1 cm = 1 km.",
"3 cm = 3 km.",
"Select option C."
] | other | Answer: 3 km
Steps:
1. 1 cm = 1 km.
2. 3 cm = 3 km.
3. Select option C.
Answer: (C) | geography |
Billions of stars bound by gravity into spirals and blobs. | null | oth_0176 | concept | en | What is a galaxy? | [
"Billions of stars bound by gravity into spirals and blobs.",
"So the answer stands: Billions of stars bound by gravity into spirals and blobs."
] | other | Answer: Billions of stars bound by gravity into spirals and blobs.
Steps:
1. Billions of stars bound by gravity into spirals and blobs.
2. So the answer stands: Billions of stars bound by gravity into spirals and blobs. | astronomy |
Airborne water share, high before rain and storms. | null | oth_0177 | concept | en | What is humidity? | [
"Airborne water share, high before rain and storms.",
"So the answer stands: Airborne water share, high before rain and storms."
] | other | Answer: Airborne water share, high before rain and storms.
Steps:
1. Airborne water share, high before rain and storms.
2. So the answer stands: Airborne water share, high before rain and storms. | everyday_science |
Public code anyone may read, fix, and share. | null | oth_0178 | concept | en | What is open source? | [
"Public code anyone may read, fix, and share.",
"So the answer stands: Public code anyone may read, fix, and share."
] | other | Answer: Public code anyone may read, fix, and share.
Steps:
1. Public code anyone may read, fix, and share.
2. So the answer stands: Public code anyone may read, fix, and share. | technology |
Speed of beats in music, marked BPM. | null | oth_0179 | concept | en | What is tempo? | [
"Speed of beats in music, marked BPM.",
"So the answer stands: Speed of beats in music, marked BPM."
] | other | Answer: Speed of beats in music, marked BPM.
Steps:
1. Speed of beats in music, marked BPM.
2. So the answer stands: Speed of beats in music, marked BPM. | arts_basics |
The answer is VO2max. | {
"A": "VO2max",
"B": "BMI",
"C": "IQ",
"D": "RPM"
} | oth_0180 | multiple_choice | en | Choose: what rates endurance? | [
"Oxygen peaked.",
"So: VO2max.",
"Select option A."
] | other | Answer: VO2max
Steps:
1. Oxygen peaked.
2. So: VO2max.
3. Select option A.
Answer: (A) | sports_science |
One plot: 40 ha. | null | oth_0181 | worked_example | en | A park of 200 hectares splits into 5 plots. Find one plot's size. | [
"Total 200.",
"Plots 5.",
"200 / 5 = 40."
] | other | Answer: One plot: 40 ha.
Steps:
1. Total 200.
2. Plots 5.
3. 200 / 5 = 40. | geography |
Zdánlivá šířka: 10°. | null | oth_0182 | worked_example | cs | Dalekohled zvětšuje 20×; Měsíc měří 0,5°. Spočítej zdánlivou šířku. | [
"0,5 × 20.",
"= 10°."
] | other | Answer: Zdánlivá šířka: 10°.
Steps:
1. 0,5 × 20.
2. = 10°. | astronomy |
Runtime: 10 hours. | null | oth_0183 | worked_example | en | A 5000 mAh battery feeds a 500 mA device. Compute runtime hours. | [
"5000 / 500.",
"= 10."
] | other | Answer: Runtime: 10 hours.
Steps:
1. 5000 / 500.
2. = 10. | everyday_science |
Patches close security holes and fix bugs. | null | oth_0184 | concept | en | Why updates? | [
"Patches close security holes and fix bugs.",
"So the answer stands: Patches close security holes and fix bugs."
] | other | Answer: Patches close security holes and fix bugs.
Steps:
1. Patches close security holes and fix bugs.
2. So the answer stands: Patches close security holes and fix bugs. | technology |
Vrstvené tóny splývají do akordů. | null | oth_0185 | concept | cs | Proč harmonie? | [
"Vrstvené tóny splývají do akordů.",
"Odpověď tedy platí: Vrstvené tóny splývají do akordů."
] | other | Answer: Vrstvené tóny splývají do akordů.
Steps:
1. Vrstvené tóny splývají do akordů.
2. Odpověď tedy platí: Vrstvené tóny splývají do akordů. | arts_basics |
Max rate: 185 bpm. | null | oth_0186 | worked_example | en | Max heart rate is 220 − age. Compute it for age 35. | [
"220 − 35.",
"= 185."
] | other | Answer: Max rate: 185 bpm.
Steps:
1. 220 − 35.
2. = 185. | sports_science |
Na region: 2 miliony. | {
"A": "1",
"B": "3",
"C": "2",
"D": "4"
} | oth_0187 | multiple_choice | cs | Země 6 milionů lidí má 3 regiony. Kolik milionů na region? | [
"6 / 3.",
"= 2.",
"Vyber možnost C."
] | other | Answer: 2
Steps:
1. 6 / 3.
2. = 2.
3. Vyber možnost C.
Answer: (C) | geography |
Two orbits take 300 days. | {
"A": "150 days",
"B": "450 days",
"C": "300 days",
"D": "600 days"
} | oth_0188 | multiple_choice | en | A planet's year is 150 days. How many days are 2 orbits? | [
"2 × 150.",
"= 300.",
"Select option C."
] | other | Answer: 300 days
Steps:
1. 2 × 150.
2. = 300.
3. Select option C.
Answer: (C) | astronomy |
Final temperature: 17 °C. | null | oth_0189 | worked_example | en | A fridge at 25 °C cools 4 °C per hour for 2 h. Find the final temperature. | [
"Drop: 4×2.",
"25 − 8.",
"= 17 °C."
] | other | Answer: Final temperature: 17 °C.
Steps:
1. Drop: 4×2.
2. 25 − 8.
3. = 17 °C. | everyday_science |
Download takes 3 seconds. | {
"A": "2",
"B": "3",
"C": "4",
"D": "5"
} | oth_0190 | multiple_choice | en | A 150 MB file downloads at 50 MB/s. How many seconds? | [
"150 / 50.",
"= 3.",
"Select option B."
] | other | Answer: 3
Steps:
1. 150 / 50.
2. = 3.
3. Select option B.
Answer: (B) | technology |
Repeated practice aligns ensembles tightly. | null | oth_0191 | concept | en | Why rehearsals? | [
"Repeated practice aligns ensembles tightly.",
"So the answer stands: Repeated practice aligns ensembles tightly."
] | other | Answer: Repeated practice aligns ensembles tightly.
Steps:
1. Repeated practice aligns ensembles tightly.
2. So the answer stands: Repeated practice aligns ensembles tightly. | arts_basics |
Distance: 1350 m. | null | oth_0192 | worked_example | en | A pool is 50 m; a swimmer does 27 laps. Compute the metres. | [
"50 × 27.",
"= 1350."
] | other | Answer: Distance: 1350 m.
Steps:
1. 50 × 27.
2. = 1350. | sports_science |
Měřítka zmenšují země na papír. | null | oth_0193 | concept | cs | Proč měřítka map? | [
"Měřítka zmenšují země na papír.",
"Odpověď tedy platí: Měřítka zmenšují země na papír."
] | other | Answer: Měřítka zmenšují země na papír.
Steps:
1. Měřítka zmenšují země na papír.
2. Odpověď tedy platí: Měřítka zmenšují země na papír. | geography |
Apparent width is 10°. | {
"A": "5°",
"B": "15°",
"C": "20°",
"D": "10°"
} | oth_0194 | multiple_choice | en | A telescope magnifies 20×; the Moon spans 0.5°. How wide does it appear? | [
"0.5 × 20.",
"= 10°.",
"Select option D."
] | other | Answer: 10°
Steps:
1. 0.5 × 20.
2. = 10°.
3. Select option D.
Answer: (D) | astronomy |
Konečná teplota: 21 °C. | null | oth_0195 | worked_example | cs | Lednice 25 °C chladí 2 °C za hodinu po 2 h. Zjisti konečnou teplotu. | [
"Pokles: 2×2.",
"25 − 4.",
"= 21 °C."
] | other | Answer: Konečná teplota: 21 °C.
Steps:
1. Pokles: 2×2.
2. 25 − 4.
3. = 21 °C. | everyday_science |
Resolution is 3 MP. | {
"A": "2",
"B": "4",
"C": "3",
"D": "5"
} | oth_0196 | multiple_choice | en | A photo is 3000×1000 px. How many megapixels? | [
"3000×1000/1e6.",
"= 3.",
"Select option C."
] | other | Answer: 3
Steps:
1. 3000×1000/1e6.
2. = 3.
3. Select option C.
Answer: (C) | technology |
Per room: 6. | null | oth_0197 | worked_example | en | A gallery shows 30 paintings in 5 rooms equally. Count per room. | [
"Total: 30.",
"Rooms: 5.",
"30 / 5 = 6."
] | other | Answer: Per room: 6.
Steps:
1. Total: 30.
2. Rooms: 5.
3. 30 / 5 = 6. | arts_basics |
Celkem: 900 kcal. | null | oth_0198 | worked_example | cs | Trénink spaluje 300 kcal za lekci ve 3 lekcích. Spočítej celkové kcal. | [
"300 × 3.",
"= 900."
] | other | Answer: Celkem: 900 kcal.
Steps:
1. 300 × 3.
2. = 900. | sports_science |
Jeden díl: 20 ha. | null | oth_0199 | worked_example | cs | Park 100 hektarů se dělí na 5 dílů. Zjisti velikost jednoho dílu. | [
"Celkem 100.",
"Dílů 5.",
"100 / 5 = 20."
] | other | Answer: Jeden díl: 20 ha.
Steps:
1. Celkem 100.
2. Dílů 5.
3. 100 / 5 = 20. | geography |
The answer is The Moon. | {
"A": "The Moon",
"B": "Mars",
"C": "Venus",
"D": "Comet"
} | oth_0200 | multiple_choice | en | Choose: what blocks the Sun? | [
"Shadow races day.",
"So: The Moon.",
"Select option A."
] | other | Answer: The Moon
Steps:
1. Shadow races day.
2. So: The Moon.
3. Select option A.
Answer: (A) | astronomy |
Light outruns sound vastly, so delay measures storm distance. | null | oth_0201 | concept | en | Why does thunder lag? | [
"Light outruns sound vastly, so delay measures storm distance.",
"So the answer stands: Light outruns sound vastly, so delay measures storm distance."
] | other | Answer: Light outruns sound vastly, so delay measures storm distance.
Steps:
1. Light outruns sound vastly, so delay measures storm distance.
2. So the answer stands: Light outruns sound vastly, so delay measures storm distance. | everyday_science |
Rozlišení: 3 megapixely. | null | oth_0202 | worked_example | cs | Fotka měří 3000×1000 px. Spočítej megapixely. | [
"3000×1000.",
"/1e6.",
"= 3."
] | other | Answer: Rozlišení: 3 megapixely.
Steps:
1. 3000×1000.
2. /1e6.
3. = 3. | technology |
Shared conventions grouping stories and songs. | null | oth_0203 | concept | en | What is genre? | [
"Shared conventions grouping stories and songs.",
"So the answer stands: Shared conventions grouping stories and songs."
] | other | Answer: Shared conventions grouping stories and songs.
Steps:
1. Shared conventions grouping stories and songs.
2. So the answer stands: Shared conventions grouping stories and songs. | arts_basics |
Loaded reps raise force and bone density. | null | oth_0204 | concept | en | Why strength training? | [
"Loaded reps raise force and bone density.",
"So the answer stands: Loaded reps raise force and bone density."
] | other | Answer: Loaded reps raise force and bone density.
Steps:
1. Loaded reps raise force and bone density.
2. So the answer stands: Loaded reps raise force and bone density. | sports_science |
Zeměpisná šířka měří stupně od rovníku. | null | oth_0205 | concept | cs | Co je šířka? | [
"Zeměpisná šířka měří stupně od rovníku.",
"Odpověď tedy platí: Zeměpisná šířka měří stupně od rovníku."
] | other | Answer: Zeměpisná šířka měří stupně od rovníku.
Steps:
1. Zeměpisná šířka měří stupně od rovníku.
2. Odpověď tedy platí: Zeměpisná šířka měří stupně od rovníku. | geography |
Expanding space stretches light waves longer and redder. | null | oth_0206 | concept | en | Why redshift? | [
"Expanding space stretches light waves longer and redder.",
"So the answer stands: Expanding space stretches light waves longer and redder."
] | other | Answer: Expanding space stretches light waves longer and redder.
Steps:
1. Expanding space stretches light waves longer and redder.
2. So the answer stands: Expanding space stretches light waves longer and redder. | astronomy |
Rain total: 100 litres. | {
"A": "50",
"B": "150",
"C": "200",
"D": "100"
} | oth_0207 | multiple_choice | en | Rainfall is 10 mm on 10 m². How many litres fell? | [
"1 mm/m² = 1 L.",
"10 × 10 = 100.",
"Select option D."
] | other | Answer: 100
Steps:
1. 1 mm/m² = 1 L.
2. 10 × 10 = 100.
3. Select option D.
Answer: (D) | everyday_science |
Satellite timing pinpoints receivers worldwide. | null | oth_0208 | concept | en | What is GPS? | [
"Satellite timing pinpoints receivers worldwide.",
"So the answer stands: Satellite timing pinpoints receivers worldwide."
] | other | Answer: Satellite timing pinpoints receivers worldwide.
Steps:
1. Satellite timing pinpoints receivers worldwide.
2. So the answer stands: Satellite timing pinpoints receivers worldwide. | technology |
Týdnů: 5. | null | oth_0209 | worked_example | cs | Román má 15 kapitol; týdně se čtou 3. Spočítej týdny. | [
"Kapitol: 15.",
"Týdně: 3.",
"15 / 3 = 5."
] | other | Answer: Týdnů: 5.
Steps:
1. Kapitol: 15.
2. Týdně: 3.
3. 15 / 3 = 5. | arts_basics |
Voda nahrazuje pot. | null | oth_0210 | concept | cs | Proč hydratace? | [
"Voda nahrazuje pot.",
"Odpověď tedy platí: Voda nahrazuje pot."
] | other | Answer: Voda nahrazuje pot.
Steps:
1. Voda nahrazuje pot.
2. Odpověď tedy platí: Voda nahrazuje pot. | sports_science |
Per region: 3 million. | {
"A": "2",
"B": "4",
"C": "5",
"D": "3"
} | oth_0211 | multiple_choice | en | A country of 9 million people has 3 regions. How many million per region? | [
"9 / 3.",
"= 3.",
"Select option D."
] | other | Answer: 3
Steps:
1. 9 / 3.
2. = 3.
3. Select option D.
Answer: (D) | geography |
The answer is Galaxy. | {
"A": "Solar panel",
"B": "Galaxy",
"C": "Wind farm",
"D": "Fish school"
} | oth_0212 | multiple_choice | en | Choose: what binds billions? | [
"Gravity holds all.",
"So: Galaxy.",
"Select option B."
] | other | Answer: Galaxy
Steps:
1. Gravity holds all.
2. So: Galaxy.
3. Select option B.
Answer: (B) | astronomy |
Zmrzlá voda se rozpíná a je řidší. | null | oth_0213 | concept | cs | Proč led plave? | [
"Zmrzlá voda se rozpíná a je řidší.",
"Odpověď tedy platí: Zmrzlá voda se rozpíná a je řidší."
] | other | Answer: Zmrzlá voda se rozpíná a je řidší.
Steps:
1. Zmrzlá voda se rozpíná a je řidší.
2. Odpověď tedy platí: Zmrzlá voda se rozpíná a je řidší. | everyday_science |
Time: 8 hours. | null | oth_0214 | worked_example | en | A backup copies 800 GB at 100 GB/h. Compute the hours. | [
"800 / 100.",
"= 8."
] | other | Answer: Time: 8 hours.
Steps:
1. 800 / 100.
2. = 8. | technology |
The answer is Harmony. | {
"A": "Harmony",
"B": "Noise",
"C": "Silence",
"D": "Echo"
} | oth_0215 | multiple_choice | en | Choose: what blends chords? | [
"Tones layered.",
"So: Harmony.",
"Select option A."
] | other | Answer: Harmony
Steps:
1. Tones layered.
2. So: Harmony.
3. Select option A.
Answer: (A) | arts_basics |
Eased load before events peaks freshness. | null | oth_0216 | concept | en | What is tapering? | [
"Eased load before events peaks freshness.",
"So the answer stands: Eased load before events peaks freshness."
] | other | Answer: Eased load before events peaks freshness.
Steps:
1. Eased load before events peaks freshness.
2. So the answer stands: Eased load before events peaks freshness. | sports_science |
Long-term weather averages define deserts, tropics, and tundra zones. | null | oth_0217 | concept | en | What is climate? | [
"Long-term weather averages define deserts, tropics, and tundra zones.",
"So the answer stands: Long-term weather averages define deserts, tropics, and tundra zones."
] | other | Answer: Long-term weather averages define deserts, tropics, and tundra zones.
Steps:
1. Long-term weather averages define deserts, tropics, and tundra zones.
2. So the answer stands: Long-term weather averages define deserts, tropics, and tundra zones. | geography |
Apparent width: 20°. | null | oth_0218 | worked_example | en | A telescope magnifies 40×; the Moon spans 0.5°. Compute apparent width. | [
"0.5 × 40.",
"= 20°."
] | other | Answer: Apparent width: 20°.
Steps:
1. 0.5 × 40.
2. = 20°. | astronomy |
Water needed: 12 litres. | null | oth_0219 | worked_example | en | Pasta needs 4 litre per 100 g. Compute litres for 300 g. | [
"300/100 = 3.",
"3 × 4.",
"= 12."
] | other | Answer: Water needed: 12 litres.
Steps:
1. 300/100 = 3.
2. 3 × 4.
3. = 12. | everyday_science |
Time: 8 seconds. | null | oth_0220 | worked_example | en | A 400 MB file downloads at 50 MB/s. Compute the seconds. | [
"400 / 50.",
"= 8."
] | other | Answer: Time: 8 seconds.
Steps:
1. 400 / 50.
2. = 8. | technology |
The answer is Genre. | {
"A": "Gender",
"B": "Genre",
"C": "General",
"D": "Genius"
} | oth_0221 | multiple_choice | en | Choose: what groups stories? | [
"Conventions shared.",
"So: Genre.",
"Select option B."
] | other | Answer: Genre
Steps:
1. Conventions shared.
2. So: Genre.
3. Select option B.
Answer: (B) | arts_basics |
Intensity bands target fat, tempo, and peak systems. | null | oth_0222 | concept | en | Why heart-rate zones? | [
"Intensity bands target fat, tempo, and peak systems.",
"So the answer stands: Intensity bands target fat, tempo, and peak systems."
] | other | Answer: Intensity bands target fat, tempo, and peak systems.
Steps:
1. Intensity bands target fat, tempo, and peak systems.
2. So the answer stands: Intensity bands target fat, tempo, and peak systems. | sports_science |
Local time: 15:00. | null | oth_0223 | worked_example | en | Prague shows 9:00; a city is +6 h ahead. Find the local time. | [
"Base 9.",
"Add 6.",
"= 15:00."
] | other | Answer: Local time: 15:00.
Steps:
1. Base 9.
2. Add 6.
3. = 15:00. | geography |
Light time: 48 min. | null | oth_0224 | worked_example | en | Sunlight takes 8 min per AU. Compute light time to 6 AU. | [
"Per AU: 8.",
"Distance: 6.",
"8 × 6 = 48."
] | other | Answer: Light time: 48 min.
Steps:
1. Per AU: 8.
2. Distance: 6.
3. 8 × 6 = 48. | astronomy |
Runtime: 12 hours. | null | oth_0225 | worked_example | en | A 6000 mAh battery feeds a 500 mA device. Compute runtime hours. | [
"6000 / 500.",
"= 12."
] | other | Answer: Runtime: 12 hours.
Steps:
1. 6000 / 500.
2. = 12. | everyday_science |
Frame count: 180. | {
"A": "150",
"B": "210",
"C": "240",
"D": "180"
} | oth_0226 | multiple_choice | en | A screen shows 90 fps for 2 s. How many frames? | [
"90 × 2.",
"= 180.",
"Select option D."
] | other | Answer: 180
Steps:
1. 90 × 2.
2. = 180.
3. Select option D.
Answer: (D) | technology |
Reviews guide audiences and sharpen artists. | null | oth_0227 | concept | en | Why critiques? | [
"Reviews guide audiences and sharpen artists.",
"So the answer stands: Reviews guide audiences and sharpen artists."
] | other | Answer: Reviews guide audiences and sharpen artists.
Steps:
1. Reviews guide audiences and sharpen artists.
2. So the answer stands: Reviews guide audiences and sharpen artists. | arts_basics |
Easy movement after sport clears waste and calms pulse gently. | null | oth_0228 | concept | en | Why cool down? | [
"Easy movement after sport clears waste and calms pulse gently.",
"So the answer stands: Easy movement after sport clears waste and calms pulse gently."
] | other | Answer: Easy movement after sport clears waste and calms pulse gently.
Steps:
1. Easy movement after sport clears waste and calms pulse gently.
2. So the answer stands: Easy movement after sport clears waste and calms pulse gently. | sports_science |
Seasonal wind flips drench Asia in summer and dry it in winter. | null | oth_0229 | concept | en | Why monsoons? | [
"Seasonal wind flips drench Asia in summer and dry it in winter.",
"So the answer stands: Seasonal wind flips drench Asia in summer and dry it in winter."
] | other | Answer: Seasonal wind flips drench Asia in summer and dry it in winter.
Steps:
1. Seasonal wind flips drench Asia in summer and dry it in winter.
2. So the answer stands: Seasonal wind flips drench Asia in summer and dry it in winter. | geography |
Měsíc krátce zakryje Slunce. | null | oth_0230 | concept | cs | Co je zatmění Slunce? | [
"Měsíc krátce zakryje Slunce.",
"Odpověď tedy platí: Měsíc krátce zakryje Slunce."
] | other | Answer: Měsíc krátce zakryje Slunce.
Steps:
1. Měsíc krátce zakryje Slunce.
2. Odpověď tedy platí: Měsíc krátce zakryje Slunce. | astronomy |
The answer is Condensation. | {
"A": "Condensation",
"B": "Sublimation",
"C": "Filtration",
"D": "Irrigation"
} | oth_0231 | multiple_choice | en | Choose: what beads on glass? | [
"Vapour cooled down.",
"So: Condensation.",
"Select option A."
] | other | Answer: Condensation
Steps:
1. Vapour cooled down.
2. So: Condensation.
3. Select option A.
Answer: (A) | everyday_science |
The answer is Compression. | {
"A": "Compression",
"B": "Inflation",
"C": "Erosion",
"D": "Corrosion"
} | oth_0232 | multiple_choice | en | Choose: what shrinks storage? | [
"Redundancy removed.",
"So: Compression.",
"Select option A."
] | other | Answer: Compression
Steps:
1. Redundancy removed.
2. So: Compression.
3. Select option A.
Answer: (A) | technology |
Weeks: 8. | null | oth_0233 | worked_example | en | A novel has 24 chapters; 3 are read per week. Count the weeks. | [
"Chapters: 24.",
"Per week: 3.",
"24 / 3 = 8."
] | other | Answer: Weeks: 8.
Steps:
1. Chapters: 24.
2. Per week: 3.
3. 24 / 3 = 8. | arts_basics |
Total: 1350 kcal. | null | oth_0234 | worked_example | en | Training burns 450 kcal per session over 3 sessions. Compute total kcal. | [
"450 × 3.",
"= 1350."
] | other | Answer: Total: 1350 kcal.
Steps:
1. 450 × 3.
2. = 1350. | sports_science |
Real distance: 6 km. | null | oth_0235 | worked_example | en | A 1:100000 map shows 6 cm. Convert to real km. | [
"1 cm = 1 km.",
"6 cm.",
"= 6 km."
] | other | Answer: Real distance: 6 km.
Steps:
1. 1 cm = 1 km.
2. 6 cm.
3. = 6 km. | geography |
Days per checkup: 125. | null | oth_0236 | worked_example | en | A mission lasts 500 days with 4 checkups. Find days per checkup. | [
"Total 500.",
"Checkups 4.",
"500 / 4 = 125."
] | other | Answer: Days per checkup: 125.
Steps:
1. Total 500.
2. Checkups 4.
3. 500 / 4 = 125. | astronomy |
The answer is Pasteurization. | {
"A": "Freezing",
"B": "Pasteurization",
"C": "Salting",
"D": "Smoking"
} | oth_0237 | multiple_choice | en | Choose: what kills germs briefly? | [
"Flavour mostly kept.",
"So: Pasteurization.",
"Select option B."
] | other | Answer: Pasteurization
Steps:
1. Flavour mostly kept.
2. So: Pasteurization.
3. Select option B.
Answer: (B) | everyday_science |
The answer is GPS. | {
"A": "FM",
"B": "GPS",
"C": "AM",
"D": "SMS"
} | oth_0238 | multiple_choice | en | Choose: what pinpoints globally? | [
"Satellites timed.",
"So: GPS.",
"Select option B."
] | other | Answer: GPS
Steps:
1. Satellites timed.
2. So: GPS.
3. Select option B.
Answer: (B) | technology |
Light-dark contrast sculpts painted forms. | null | oth_0239 | concept | en | What is chiaroscuro? | [
"Light-dark contrast sculpts painted forms.",
"So the answer stands: Light-dark contrast sculpts painted forms."
] | other | Answer: Light-dark contrast sculpts painted forms.
Steps:
1. Light-dark contrast sculpts painted forms.
2. So the answer stands: Light-dark contrast sculpts painted forms. | arts_basics |
The answer is Pacing. | {
"A": "Sprinting",
"B": "Pacing",
"C": "Stopping",
"D": "Stumbling"
} | oth_0240 | multiple_choice | en | Choose: what wins endurance? | [
"Effort spread even.",
"So: Pacing.",
"Select option B."
] | other | Answer: Pacing
Steps:
1. Effort spread even.
2. So: Pacing.
3. Select option B.
Answer: (B) | sports_science |
The answer is Latitude. | {
"A": "Latitude",
"B": "Altitude",
"C": "Magnitude",
"D": "Period"
} | oth_0241 | multiple_choice | en | Choose: what measures north-south? | [
"Equator is zero.",
"So: Latitude.",
"Select option A."
] | other | Answer: Latitude
Steps:
1. Equator is zero.
2. So: Latitude.
3. Select option A.
Answer: (A) | geography |
A crewed lab orbiting Earth every 90 minutes. | null | oth_0242 | concept | en | What is the ISS? | [
"A crewed lab orbiting Earth every 90 minutes.",
"So the answer stands: A crewed lab orbiting Earth every 90 minutes."
] | other | Answer: A crewed lab orbiting Earth every 90 minutes.
Steps:
1. A crewed lab orbiting Earth every 90 minutes.
2. So the answer stands: A crewed lab orbiting Earth every 90 minutes. | astronomy |
Chemical reactions push electrons through circuits as current. | null | oth_0243 | concept | en | What is a battery? | [
"Chemical reactions push electrons through circuits as current.",
"So the answer stands: Chemical reactions push electrons through circuits as current."
] | other | Answer: Chemical reactions push electrons through circuits as current.
Steps:
1. Chemical reactions push electrons through circuits as current.
2. So the answer stands: Chemical reactions push electrons through circuits as current. | everyday_science |
Jeden barevný bod obrazu. | null | oth_0244 | concept | cs | Co je pixel? | [
"Jeden barevný bod obrazu.",
"Odpověď tedy platí: Jeden barevný bod obrazu."
] | other | Answer: Jeden barevný bod obrazu.
Steps:
1. Jeden barevný bod obrazu.
2. Odpověď tedy platí: Jeden barevný bod obrazu. | technology |
Techniky falešné hloubky na plátně. | null | oth_0245 | concept | cs | Co je perspektiva? | [
"Techniky falešné hloubky na plátně.",
"Odpověď tedy platí: Techniky falešné hloubky na plátně."
] | other | Answer: Techniky falešné hloubky na plátně.
Steps:
1. Techniky falešné hloubky na plátně.
2. Odpověď tedy platí: Techniky falešné hloubky na plátně. | arts_basics |
Max rate: 180 bpm. | null | oth_0246 | worked_example | en | Max heart rate is 220 − age. Compute it for age 40. | [
"220 − 40.",
"= 180."
] | other | Answer: Max rate: 180 bpm.
Steps:
1. 220 − 40.
2. = 180. | sports_science |
The answer is Glaciers. | {
"A": "Rivers",
"B": "Glaciers",
"C": "Roads",
"D": "Trails"
} | oth_0247 | multiple_choice | en | Choose: what carves U-valleys? | [
"Ice creeps down.",
"So: Glaciers.",
"Select option B."
] | other | Answer: Glaciers
Steps:
1. Ice creeps down.
2. So: Glaciers.
3. Select option B.
Answer: (B) | geography |
Extra days sync calendars with Earth's 365.25-day orbit. | null | oth_0248 | concept | en | Why leap years? | [
"Extra days sync calendars with Earth's 365.25-day orbit.",
"So the answer stands: Extra days sync calendars with Earth's 365.25-day orbit."
] | other | Answer: Extra days sync calendars with Earth's 365.25-day orbit.
Steps:
1. Extra days sync calendars with Earth's 365.25-day orbit.
2. So the answer stands: Extra days sync calendars with Earth's 365.25-day orbit. | astronomy |
Celkem: 50 litrů. | {
"A": "0",
"B": "100",
"C": "50",
"D": "150"
} | oth_0249 | multiple_choice | cs | Srážky jsou 5 mm na 10 m². Kolik litrů spadlo? | [
"1 mm/m² = 1 l.",
"5 × 10 = 50.",
"Vyber možnost C."
] | other | Answer: 50
Steps:
1. 1 mm/m² = 1 l.
2. 5 × 10 = 50.
3. Vyber možnost C.
Answer: (C) | everyday_science |
Čas: 5 hodin. | null | oth_0250 | worked_example | cs | Záloha kopíruje 500 GB rychlostí 100 GB/h. Spočítej hodiny. | [
"500 / 100.",
"= 5."
] | other | Answer: Čas: 5 hodin.
Steps:
1. 500 / 100.
2. = 5. | technology |
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