id
int64
1
735k
topic
stringclasses
11 values
difficulty
stringclasses
2 values
question
stringlengths
12
91
answer
stringlengths
1
11
reasoning
stringlengths
20
98
category
stringclasses
19 values
732,101
arithmetic
easy
What is 505 - 360?
145
Subtract: 505 - 360 = 145.
basic_operations
732,102
calculus
medium
What is the indefinite integral of x^3 dx?
x^4/4 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^3 = x^4/4 + C.
integral
732,103
roots
easy
What is the square root of 2209?
47
Find number that when squared gives 2209. 47*47=2209, so sqrt(2209)=47.
square_roots
732,104
algebra
easy
Solve for x: 3x + 10 = 70
20
Subtract 10 from both sides: 3x = 70-10=60. Then divide by 3: x = 60/3 = 20.
linear_equation
732,105
calculus
medium
What is the indefinite integral of x^1 dx?
x^2/2 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^1 = x^2/2 + C.
integral
732,106
arithmetic
easy
What is 20 + 94 * 66? Remember order of operations.
6224
Order of operations (PEMDAS): first 94*66=6204, then 20+6204=6224.
basic_operations
732,107
calculus
medium
What is the indefinite integral of x^7 dx?
x^8/8 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^7 = x^8/8 + C.
integral
732,108
statistics
easy
What is the mean (average) of 68, 32, 1, 29, 54?
36.8
Mean = sum/count. Sum = 68+32+1+29+54=184. Count=5. Mean=184/5=36.8.
mean
732,109
geometry
easy
Find the circumference of a circle with radius 14. Use pi=3.14159, round to 2 decimals.
87.96
Circumference = 2*pi*r = 2*3.14159*14 = 87.96.
circle_circum
732,110
fractions
medium
What is 3/5 + 13/2? Give as simplified fraction.
71/10
Common denominator 5*2=10. 3/5=6/10, 13/2=65/10. Sum = 71/10 = 71/10 simplified.
fraction_operations
732,111
calculus
medium
What is the derivative of 1x^5 with respect to x?
5x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^5] = 1*5*x^4 = 5x^4.
derivative
732,112
percentages
easy
What is 65% of 919?
597.35
Calculate 65/100 * 919 = 0.65*919 = 597.35.
percentages
732,113
percentages
easy
What is 35% of 141?
49.35
Calculate 35/100 * 141 = 0.35*141 = 49.35.
percentages
732,114
fractions
medium
What is 3/18 + 3/19? Give as simplified fraction.
37/114
Common denominator 18*19=342. 3/18=57/342, 3/19=54/342. Sum = 111/342 = 37/114 simplified.
fraction_operations
732,115
algebra
medium
Solve for x: x^2 - 2x - 24 = 0
x = 6, -4
Factor: (x - 6)(x - -4) = x^2 -(2)x + -24 = 0. So x = 6 or -4. Check sum = 2, product = -24.
quadratic
732,116
statistics
easy
What is the mean (average) of 71, 75, 57?
67.67
Mean = sum/count. Sum = 71+75+57=203. Count=3. Mean=203/3=67.67.
mean
732,117
arithmetic
easy
What is 798 - 566?
232
Subtract: 798 - 566 = 232.
basic_operations
732,118
percentages
easy
What is 34% of 544?
184.96
Calculate 34/100 * 544 = 0.34*544 = 184.96.
percentages
732,119
algebra
medium
Solve for x: x^2 + 9x + 18 = 0
x = -6, -3
Factor: (x - -6)(x - -3) = x^2 -(-9)x + 18 = 0. So x = -6 or -3. Check sum = -9, product = 18.
quadratic
732,120
arithmetic
easy
What is 359 - 22?
337
Subtract: 359 - 22 = 337.
basic_operations
732,121
arithmetic
easy
What is 43 + 71 * 49? Remember order of operations.
3522
Order of operations (PEMDAS): first 71*49=3479, then 43+3479=3522.
basic_operations
732,122
number_theory
medium
What is the LCM (least common multiple) of 15 and 29?
435
LCM = |15*29| / GCD(15,29). GCD=1, so LCM=435/1=435.
lcm
732,123
algebra
medium
Solve for x: x^2 + 16x + 63 = 0
x = -9, -7
Factor: (x - -9)(x - -7) = x^2 -(-16)x + 63 = 0. So x = -9 or -7. Check sum = -16, product = 63.
quadratic
732,124
percentages
easy
What is 33% of 39?
12.87
Calculate 33/100 * 39 = 0.33*39 = 12.87.
percentages
732,125
arithmetic
easy
What is 31 * 8?
248
Multiply: 31 * 8 = 248.
basic_operations
732,126
arithmetic
easy
What is 772 + 334?
1106
Add the two numbers: 772 + 334 = 1106.
basic_operations
732,127
number_theory
medium
What is the LCM (least common multiple) of 29 and 56?
1624
LCM = |29*56| / GCD(29,56). GCD=1, so LCM=1624/1=1624.
lcm
732,128
arithmetic
easy
What is 999 + 862 * 49? Remember order of operations.
43237
Order of operations (PEMDAS): first 862*49=42238, then 999+42238=43237.
basic_operations
732,129
arithmetic
easy
What is 257 + 544 * 31? Remember order of operations.
17121
Order of operations (PEMDAS): first 544*31=16864, then 257+16864=17121.
basic_operations
732,130
arithmetic
easy
What is 14260 / 62?
230
Divide: 14260 ÷ 62 = 230 because 62*230=14260.
division
732,131
roots
easy
What is the square root of 100?
10
Find number that when squared gives 100. 10*10=100, so sqrt(100)=10.
square_roots
732,132
algebra
medium
Solve for x: x^2 - 1x - 90 = 0
x = -9, 10
Factor: (x - -9)(x - 10) = x^2 -(1)x + -90 = 0. So x = -9 or 10. Check sum = 1, product = -90.
quadratic
732,133
arithmetic
easy
What is 32 * 24?
768
Multiply: 32 * 24 = 768.
basic_operations
732,134
statistics
easy
What is the mean (average) of 60, 90, 89, 67, 41?
69.4
Mean = sum/count. Sum = 60+90+89+67+41=347. Count=5. Mean=347/5=69.4.
mean
732,135
fractions
medium
What is 13/13 - 7/18? Give as simplified fraction.
11/18
Common denominator 234. Numerator 234-91=143. So 143/234 simplifies to 11/18.
fraction_operations
732,136
fractions
medium
What is 7/19 * 15/9? Give as simplified fraction.
35/57
Multiply numerators: 7*15=105. Denominators: 19*9=171. Simplify by gcd 3 to get 35/57.
fraction_operations
732,137
statistics
easy
What is the mean (average) of 24, 50, 3, 10, 18?
21
Mean = sum/count. Sum = 24+50+3+10+18=105. Count=5. Mean=105/5=21.0.
mean
732,138
calculus
medium
What is the indefinite integral of x^5 dx?
x^6/6 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^5 = x^6/6 + C.
integral
732,139
percentages
easy
What is 2% of 632?
12.64
Calculate 2/100 * 632 = 0.02*632 = 12.64.
percentages
732,140
word_problems
easy
If you have 72 books and you buy 38 more books, how many books do you have in total?
110
Add initial 72 plus bought 38: 72+38=110.
addition_word
732,141
statistics
easy
What is the mean (average) of 35, 82, 30, 59?
51.5
Mean = sum/count. Sum = 35+82+30+59=206. Count=4. Mean=206/4=51.5.
mean
732,142
number_theory
medium
What is the GCD (greatest common divisor) of 17 and 56?
1
Find greatest number dividing both 17 and 56. Divisors common, greatest is 1.
gcd
732,143
number_theory
medium
What is the GCD (greatest common divisor) of 47 and 48?
1
Find greatest number dividing both 47 and 48. Divisors common, greatest is 1.
gcd
732,144
arithmetic
easy
What is 952 + 926 * 6? Remember order of operations.
6508
Order of operations (PEMDAS): first 926*6=5556, then 952+5556=6508.
basic_operations
732,145
geometry
easy
Find the area of a rectangle with length 54 and width 30.
1620
Area = length * width = 54*30 = 1620.
rectangle_area
732,146
calculus
medium
What is the derivative of 3x^8 with respect to x?
24x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^8] = 3*8*x^7 = 24x^7.
derivative
732,147
fractions
medium
What is 2/8 + 8/11? Give as simplified fraction.
43/44
Common denominator 8*11=88. 2/8=22/88, 8/11=64/88. Sum = 86/88 = 43/44 simplified.
fraction_operations
732,148
exponents
easy
What is 3^2?
9
3^2 means multiply 3 by itself 2 times: 3*3 = 9.
exponents
732,149
exponents
easy
What is 7^4?
2401
7^4 means multiply 7 by itself 4 times: 7*7*7*7 = 2401.
exponents
732,150
word_problems
easy
If you have 16 apples and you buy 39 more apples, how many apples do you have in total?
55
Add initial 16 plus bought 39: 16+39=55.
addition_word
732,151
roots
easy
What is the square root of 900?
30
Find number that when squared gives 900. 30*30=900, so sqrt(900)=30.
square_roots
732,152
arithmetic
easy
What is 429 + 457 * 37? Remember order of operations.
17338
Order of operations (PEMDAS): first 457*37=16909, then 429+16909=17338.
basic_operations
732,153
word_problems
easy
If you have 37 apples and you buy 35 more apples, how many apples do you have in total?
72
Add initial 37 plus bought 35: 37+35=72.
addition_word
732,154
roots
easy
What is the square root of 100?
10
Find number that when squared gives 100. 10*10=100, so sqrt(100)=10.
square_roots
732,155
statistics
easy
What is the mean (average) of 69, 42, 27, 3?
35.25
Mean = sum/count. Sum = 69+42+27+3=141. Count=4. Mean=141/4=35.25.
mean
732,156
calculus
medium
What is the derivative of 7x^8 with respect to x?
56x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^8] = 7*8*x^7 = 56x^7.
derivative
732,157
algebra
easy
Solve for x: 11x + 7 = 7
0
Subtract 7 from both sides: 11x = 7-7=0. Then divide by 11: x = 0/11 = 0.
linear_equation
732,158
fractions
medium
What is 14/9 - 8/12? Give as simplified fraction.
8/9
Common denominator 108. Numerator 168-72=96. So 96/108 simplifies to 8/9.
fraction_operations
732,159
fractions
medium
What is 15/8 + 2/6? Give as simplified fraction.
53/24
Common denominator 8*6=48. 15/8=90/48, 2/6=16/48. Sum = 106/48 = 53/24 simplified.
fraction_operations
732,160
arithmetic
easy
What is 24 * 58?
1392
Multiply: 24 * 58 = 1392.
basic_operations
732,161
calculus
medium
What is the indefinite integral of x^6 dx?
x^7/7 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^6 = x^7/7 + C.
integral
732,162
algebra
easy
Solve for x: 13x + 14 = -77
-7
Subtract 14 from both sides: 13x = -77-14=-91. Then divide by 13: x = -91/13 = -7.
linear_equation
732,163
arithmetic
easy
What is 25194 divided by 66? Give answer to 2 decimal places.
381.73
Calculate 25194/ 66 = 381.7273, rounded to 2 decimals is 381.73.
division
732,164
exponents
easy
What is 9^5?
59049
9^5 means multiply 9 by itself 5 times: 9*9*9*9*9 = 59049.
exponents
732,165
percentages
easy
What is 67% of 768?
514.56
Calculate 67/100 * 768 = 0.67*768 = 514.56.
percentages
732,166
arithmetic
easy
What is 812 + 52?
864
Add the two numbers: 812 + 52 = 864.
basic_operations
732,167
fractions
medium
What is 2/15 - 10/14? Give as simplified fraction.
-61/105
Common denominator 210. Numerator 28-150=-122. So -122/210 simplifies to -61/105.
fraction_operations
732,168
word_problems
easy
If you have 14 books and you buy 40 more books, how many books do you have in total?
54
Add initial 14 plus bought 40: 14+40=54.
addition_word
732,169
arithmetic
easy
What is 25056 / 72?
348
Divide: 25056 ÷ 72 = 348 because 72*348=25056.
division
732,170
arithmetic
easy
What is 510 + 476?
986
Add the two numbers: 510 + 476 = 986.
basic_operations
732,171
roots
easy
What is the square root of 1936?
44
Find number that when squared gives 1936. 44*44=1936, so sqrt(1936)=44.
square_roots
732,172
arithmetic
easy
What is 623 + 200?
823
Add the two numbers: 623 + 200 = 823.
basic_operations
732,173
number_theory
medium
What is the GCD (greatest common divisor) of 4 and 98?
2
Find greatest number dividing both 4 and 98. Divisors common, greatest is 2.
gcd
732,174
fractions
medium
What is 17/16 * 18/3? Give as simplified fraction.
51/8
Multiply numerators: 17*18=306. Denominators: 16*3=48. Simplify by gcd 6 to get 51/8.
fraction_operations
732,175
arithmetic
easy
What is 48 * 96?
4608
Multiply: 48 * 96 = 4608.
basic_operations
732,176
calculus
medium
What is the derivative of 9x^5 with respect to x?
45x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^5] = 9*5*x^4 = 45x^4.
derivative
732,177
arithmetic
easy
What is 705 - 451?
254
Subtract: 705 - 451 = 254.
basic_operations
732,178
geometry
easy
Find the circumference of a circle with radius 3. Use pi=3.14159, round to 2 decimals.
18.85
Circumference = 2*pi*r = 2*3.14159*3 = 18.85.
circle_circum
732,179
arithmetic
easy
What is 298 divided by 44? Give answer to 2 decimal places.
6.77
Calculate 298/ 44 = 6.7727, rounded to 2 decimals is 6.77.
division
732,180
statistics
easy
What is the mean (average) of 77, 36, 74?
62.33
Mean = sum/count. Sum = 77+36+74=187. Count=3. Mean=187/3=62.33.
mean
732,181
arithmetic
easy
What is 44 * 75?
3300
Multiply: 44 * 75 = 3300.
basic_operations
732,182
statistics
easy
What is the mean (average) of 73, 86, 53, 87?
74.75
Mean = sum/count. Sum = 73+86+53+87=299. Count=4. Mean=299/4=74.75.
mean
732,183
arithmetic
easy
What is 998 + 541?
1539
Add the two numbers: 998 + 541 = 1539.
basic_operations
732,184
statistics
easy
What is the mean (average) of 31, 46, 42, 22, 40?
36.2
Mean = sum/count. Sum = 31+46+42+22+40=181. Count=5. Mean=181/5=36.2.
mean
732,185
arithmetic
easy
What is 970 + 299 * 92? Remember order of operations.
28478
Order of operations (PEMDAS): first 299*92=27508, then 970+27508=28478.
basic_operations
732,186
algebra
easy
Solve for x: 12x + 32 = -196
-19
Subtract 32 from both sides: 12x = -196-32=-228. Then divide by 12: x = -228/12 = -19.
linear_equation
732,187
number_theory
medium
What is the GCD (greatest common divisor) of 7 and 93?
1
Find greatest number dividing both 7 and 93. Divisors common, greatest is 1.
gcd
732,188
statistics
easy
What is the mean (average) of 64, 15, 55?
44.67
Mean = sum/count. Sum = 64+15+55=134. Count=3. Mean=134/3=44.67.
mean
732,189
number_theory
medium
What is the LCM (least common multiple) of 6 and 89?
534
LCM = |6*89| / GCD(6,89). GCD=1, so LCM=534/1=534.
lcm
732,190
fractions
medium
What is 17/20 * 9/11? Give as simplified fraction.
153/220
Multiply numerators: 17*9=153. Denominators: 20*11=220. Simplify by gcd 1 to get 153/220.
fraction_operations
732,191
word_problems
easy
If you have 52 candies and you buy 8 more candies, how many candies do you have in total?
60
Add initial 52 plus bought 8: 52+8=60.
addition_word
732,192
geometry
easy
Find the area of a triangle with base 77 and height 90.
3465
Area = 0.5*base*height = 0.5*77*90 = 3465.
triangle_area
732,193
arithmetic
easy
What is 870 - 194?
676
Subtract: 870 - 194 = 676.
basic_operations
732,194
percentages
easy
What is 39% of 85?
33.15
Calculate 39/100 * 85 = 0.39*85 = 33.15.
percentages
732,195
arithmetic
easy
What is 444 - 34?
410
Subtract: 444 - 34 = 410.
basic_operations
732,196
roots
easy
What is the square root of 36?
6
Find number that when squared gives 36. 6*6=36, so sqrt(36)=6.
square_roots
732,197
number_theory
medium
What is the LCM (least common multiple) of 63 and 93?
1953
LCM = |63*93| / GCD(63,93). GCD=3, so LCM=5859/3=1953.
lcm
732,198
arithmetic
easy
What is 385 - 211?
174
Subtract: 385 - 211 = 174.
basic_operations
732,199
arithmetic
easy
What is 80 * 17?
1360
Multiply: 80 * 17 = 1360.
basic_operations
732,200
geometry
easy
Find the perimeter of a rectangle with length 43 and width 59.
204
Perimeter = 2*(length+width) = 2*(43+59) = 2*102 = 204.
rectangle_perim