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
3,701
algebra
easy
Solve for x: 9x - 47 = 52
11
Add 47 to both sides: 9x = 52+47=99. Then x = 99/9 = 11.
linear_equation
3,702
percentages
easy
What is 89% of 225?
200.25
Calculate 89/100 * 225 = 0.89*225 = 200.25.
percentages
3,703
percentages
easy
What is 29% of 451?
130.79
Calculate 29/100 * 451 = 0.29*451 = 130.79.
percentages
3,704
fractions
medium
What is 5/2 + 10/9? Give as simplified fraction.
65/18
Common denominator 2*9=18. 5/2=45/18, 10/9=20/18. Sum = 65/18 = 65/18 simplified.
fraction_operations
3,705
statistics
easy
What is the mean (average) of 54, 72, 71, 73?
67.5
Mean = sum/count. Sum = 54+72+71+73=270. Count=4. Mean=270/4=67.5.
mean
3,706
fractions
medium
What is 14/7 - 17/20? Give as simplified fraction.
23/20
Common denominator 140. Numerator 280-119=161. So 161/140 simplifies to 23/20.
fraction_operations
3,707
calculus
medium
What is the derivative of 5x^7 with respect to x?
35x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^7] = 5*7*x^6 = 35x^6.
derivative
3,708
number_theory
medium
What is the LCM (least common multiple) of 34 and 56?
952
LCM = |34*56| / GCD(34,56). GCD=2, so LCM=1904/2=952.
lcm
3,709
number_theory
medium
What is the LCM (least common multiple) of 31 and 41?
1271
LCM = |31*41| / GCD(31,41). GCD=1, so LCM=1271/1=1271.
lcm
3,710
arithmetic
easy
What is 982 - 710?
272
Subtract: 982 - 710 = 272.
basic_operations
3,711
percentages
easy
What is 69% of 593?
409.17
Calculate 69/100 * 593 = 0.69*593 = 409.17.
percentages
3,712
algebra
easy
Solve for x: 4x + 50 = 98
12
Subtract 50 from both sides: 4x = 98-50=48. Then divide by 4: x = 48/4 = 12.
linear_equation
3,713
statistics
easy
What is the mean (average) of 41, 14, 78, 30, 93?
51.2
Mean = sum/count. Sum = 41+14+78+30+93=256. Count=5. Mean=256/5=51.2.
mean
3,714
number_theory
medium
What is the GCD (greatest common divisor) of 92 and 90?
2
Find greatest number dividing both 92 and 90. Divisors common, greatest is 2.
gcd
3,715
word_problems
easy
If you have 39 apples and you buy 37 more apples, how many apples do you have in total?
76
Add initial 39 plus bought 37: 39+37=76.
addition_word
3,716
word_problems
easy
If you have 84 candies and you buy 29 more candies, how many candies do you have in total?
113
Add initial 84 plus bought 29: 84+29=113.
addition_word
3,717
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
3,718
algebra
medium
Solve for x: x^2 + 3x - 70 = 0
x = -10, 7
Factor: (x - -10)(x - 7) = x^2 -(-3)x + -70 = 0. So x = -10 or 7. Check sum = -3, product = -70.
quadratic
3,719
word_problems
easy
If you have 76 apples and you buy 42 more apples, how many apples do you have in total?
118
Add initial 76 plus bought 42: 76+42=118.
addition_word
3,720
number_theory
medium
What is the GCD (greatest common divisor) of 62 and 91?
1
Find greatest number dividing both 62 and 91. Divisors common, greatest is 1.
gcd
3,721
arithmetic
easy
What is 36 + 73 * 9? Remember order of operations.
693
Order of operations (PEMDAS): first 73*9=657, then 36+657=693.
basic_operations
3,722
arithmetic
easy
What is 731 - 613?
118
Subtract: 731 - 613 = 118.
basic_operations
3,723
algebra
easy
Solve for x: 13x - 23 = 81
8
Add 23 to both sides: 13x = 81+23=104. Then x = 104/13 = 8.
linear_equation
3,724
exponents
easy
What is 10^4?
10000
10^4 means multiply 10 by itself 4 times: 10*10*10*10 = 10000.
exponents
3,725
roots
easy
What is the square root of 225?
15
Find number that when squared gives 225. 15*15=225, so sqrt(225)=15.
square_roots
3,726
calculus
medium
What is the indefinite integral of x^2 dx?
x^3/3 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^2 = x^3/3 + C.
integral
3,727
roots
easy
What is the square root of 1?
1
Find number that when squared gives 1. 1*1=1, so sqrt(1)=1.
square_roots
3,728
arithmetic
easy
What is 16 * 100?
1600
Multiply: 16 * 100 = 1600.
basic_operations
3,729
arithmetic
easy
What is 543 + 424?
967
Add the two numbers: 543 + 424 = 967.
basic_operations
3,730
percentages
easy
What is 77% of 793?
610.61
Calculate 77/100 * 793 = 0.77*793 = 610.61.
percentages
3,731
algebra
medium
Solve for x: x^2 + 15x + 50 = 0
x = -5, -10
Factor: (x - -5)(x - -10) = x^2 -(-15)x + 50 = 0. So x = -5 or -10. Check sum = -15, product = 50.
quadratic
3,732
statistics
easy
What is the mean (average) of 16, 43, 12, 13, 52?
27.2
Mean = sum/count. Sum = 16+43+12+13+52=136. Count=5. Mean=136/5=27.2.
mean
3,733
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
3,734
calculus
medium
What is the derivative of 8x^7 with respect to x?
56x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^7] = 8*7*x^6 = 56x^6.
derivative
3,735
algebra
easy
Solve for x: 11x - 27 = -181
-14
Add 27 to both sides: 11x = -181+27=-154. Then x = -154/11 = -14.
linear_equation
3,736
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
3,737
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
3,738
statistics
easy
What is the mean (average) of 24, 34, 52?
36.67
Mean = sum/count. Sum = 24+34+52=110. Count=3. Mean=110/3=36.67.
mean
3,739
fractions
medium
What is 8/13 - 3/12? Give as simplified fraction.
19/52
Common denominator 156. Numerator 96-39=57. So 57/156 simplifies to 19/52.
fraction_operations
3,740
arithmetic
easy
What is 9108 / 69?
132
Divide: 9108 ÷ 69 = 132 because 69*132=9108.
division
3,741
arithmetic
easy
What is 700 + 383 * 13? Remember order of operations.
5679
Order of operations (PEMDAS): first 383*13=4979, then 700+4979=5679.
basic_operations
3,742
arithmetic
easy
What is 335 + 5 * 50? Remember order of operations.
585
Order of operations (PEMDAS): first 5*50=250, then 335+250=585.
basic_operations
3,743
number_theory
medium
What is the GCD (greatest common divisor) of 9 and 23?
1
Find greatest number dividing both 9 and 23. Divisors common, greatest is 1.
gcd
3,744
statistics
easy
What is the mean (average) of 69, 28, 45?
47.33
Mean = sum/count. Sum = 69+28+45=142. Count=3. Mean=142/3=47.33.
mean
3,745
arithmetic
easy
What is 41652 / 89?
468
Divide: 41652 ÷ 89 = 468 because 89*468=41652.
division
3,746
algebra
medium
Solve for x: x^2 + 1x - 20 = 0
x = 4, -5
Factor: (x - 4)(x - -5) = x^2 -(-1)x + -20 = 0. So x = 4 or -5. Check sum = -1, product = -20.
quadratic
3,747
algebra
easy
Solve for x: 15x - 47 = 238
19
Add 47 to both sides: 15x = 238+47=285. Then x = 285/15 = 19.
linear_equation
3,748
arithmetic
easy
What is 958 - 551?
407
Subtract: 958 - 551 = 407.
basic_operations
3,749
arithmetic
easy
What is 16100 / 46?
350
Divide: 16100 ÷ 46 = 350 because 46*350=16100.
division
3,750
arithmetic
easy
What is 6435 / 65?
99
Divide: 6435 ÷ 65 = 99 because 65*99=6435.
division
3,751
word_problems
easy
If you have 89 candies and you buy 36 more candies, how many candies do you have in total?
125
Add initial 89 plus bought 36: 89+36=125.
addition_word
3,752
word_problems
easy
If you have 19 pencils and you buy 43 more pencils, how many pencils do you have in total?
62
Add initial 19 plus bought 43: 19+43=62.
addition_word
3,753
arithmetic
easy
What is 347 + 253 * 47? Remember order of operations.
12238
Order of operations (PEMDAS): first 253*47=11891, then 347+11891=12238.
basic_operations
3,754
statistics
easy
What is the mean (average) of 52, 6, 46?
34.67
Mean = sum/count. Sum = 52+6+46=104. Count=3. Mean=104/3=34.67.
mean
3,755
arithmetic
easy
What is 91 * 97?
8827
Multiply: 91 * 97 = 8827.
basic_operations
3,756
arithmetic
easy
What is 3238 divided by 68? Give answer to 2 decimal places.
47.62
Calculate 3238/ 68 = 47.6176, rounded to 2 decimals is 47.62.
division
3,757
fractions
medium
What is 10/12 + 5/16? Give as simplified fraction.
55/48
Common denominator 12*16=192. 10/12=160/192, 5/16=60/192. Sum = 220/192 = 55/48 simplified.
fraction_operations
3,758
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
3,759
calculus
medium
What is the derivative of 7x^5 with respect to x?
35x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^5] = 7*5*x^4 = 35x^4.
derivative
3,760
arithmetic
easy
What is 503 + 25?
528
Add the two numbers: 503 + 25 = 528.
basic_operations
3,761
statistics
easy
What is the mean (average) of 50, 40, 64, 99, 37?
58
Mean = sum/count. Sum = 50+40+64+99+37=290. Count=5. Mean=290/5=58.0.
mean
3,762
arithmetic
easy
What is 541 + 852?
1393
Add the two numbers: 541 + 852 = 1393.
basic_operations
3,763
exponents
easy
What is 11^3?
1331
11^3 means multiply 11 by itself 3 times: 11*11*11 = 1331.
exponents
3,764
roots
easy
What is the square root of 2304?
48
Find number that when squared gives 2304. 48*48=2304, so sqrt(2304)=48.
square_roots
3,765
arithmetic
easy
What is 548 - 29?
519
Subtract: 548 - 29 = 519.
basic_operations
3,766
number_theory
medium
What is the LCM (least common multiple) of 69 and 7?
483
LCM = |69*7| / GCD(69,7). GCD=1, so LCM=483/1=483.
lcm
3,767
algebra
medium
Solve for x: x^2 - 7x + 6 = 0
x = 6, 1
Factor: (x - 6)(x - 1) = x^2 -(7)x + 6 = 0. So x = 6 or 1. Check sum = 7, product = 6.
quadratic
3,768
arithmetic
easy
What is 933 - 220?
713
Subtract: 933 - 220 = 713.
basic_operations
3,769
percentages
easy
What is 92% of 328?
301.76
Calculate 92/100 * 328 = 0.92*328 = 301.76.
percentages
3,770
arithmetic
easy
What is 732 + 209?
941
Add the two numbers: 732 + 209 = 941.
basic_operations
3,771
arithmetic
easy
What is 47 + 945?
992
Add the two numbers: 47 + 945 = 992.
basic_operations
3,772
arithmetic
easy
What is 117 / 39?
3
Divide: 117 ÷ 39 = 3 because 39*3=117.
division
3,773
algebra
medium
Solve for x: x^2 + 1x - 6 = 0
x = 2, -3
Factor: (x - 2)(x - -3) = x^2 -(-1)x + -6 = 0. So x = 2 or -3. Check sum = -1, product = -6.
quadratic
3,774
number_theory
medium
What is the GCD (greatest common divisor) of 52 and 6?
2
Find greatest number dividing both 52 and 6. Divisors common, greatest is 2.
gcd
3,775
algebra
easy
Solve for x: 20x - 19 = 361
19
Add 19 to both sides: 20x = 361+19=380. Then x = 380/20 = 19.
linear_equation
3,776
geometry
easy
Find the circumference of a circle with radius 44. Use pi=3.14159, round to 2 decimals.
276.46
Circumference = 2*pi*r = 2*3.14159*44 = 276.46.
circle_circum
3,777
exponents
easy
What is 5^4?
625
5^4 means multiply 5 by itself 4 times: 5*5*5*5 = 625.
exponents
3,778
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
3,779
arithmetic
easy
What is 844 + 426 * 53? Remember order of operations.
23422
Order of operations (PEMDAS): first 426*53=22578, then 844+22578=23422.
basic_operations
3,780
fractions
medium
What is 16/10 * 20/2? Give as simplified fraction.
16
Multiply numerators: 16*20=320. Denominators: 10*2=20. Simplify by gcd 20 to get 16.
fraction_operations
3,781
calculus
medium
What is the derivative of 8x^2 with respect to x?
16x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^2] = 8*2*x^1 = 16x.
derivative
3,782
algebra
easy
Solve for x: 8x - 41 = 119
20
Add 41 to both sides: 8x = 119+41=160. Then x = 160/8 = 20.
linear_equation
3,783
arithmetic
easy
What is 1327 divided by 16? Give answer to 2 decimal places.
82.94
Calculate 1327/ 16 = 82.9375, rounded to 2 decimals is 82.94.
division
3,784
arithmetic
easy
What is 188 + 550?
738
Add the two numbers: 188 + 550 = 738.
basic_operations
3,785
geometry
easy
Find the circumference of a circle with radius 19. Use pi=3.14159, round to 2 decimals.
119.38
Circumference = 2*pi*r = 2*3.14159*19 = 119.38.
circle_circum
3,786
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
3,787
arithmetic
easy
What is 6138 / 99?
62
Divide: 6138 ÷ 99 = 62 because 99*62=6138.
division
3,788
arithmetic
easy
What is 569 + 867 * 64? Remember order of operations.
56057
Order of operations (PEMDAS): first 867*64=55488, then 569+55488=56057.
basic_operations
3,789
arithmetic
easy
What is 481 + 491 * 14? Remember order of operations.
7355
Order of operations (PEMDAS): first 491*14=6874, then 481+6874=7355.
basic_operations
3,790
calculus
medium
What is the derivative of 2x^3 with respect to x?
6x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^3] = 2*3*x^2 = 6x^2.
derivative
3,791
arithmetic
easy
What is 447 - 248?
199
Subtract: 447 - 248 = 199.
basic_operations
3,792
algebra
easy
Solve for x: 15x + 26 = -244
-18
Subtract 26 from both sides: 15x = -244-26=-270. Then divide by 15: x = -270/15 = -18.
linear_equation
3,793
fractions
medium
What is 7/12 + 2/20? Give as simplified fraction.
41/60
Common denominator 12*20=240. 7/12=140/240, 2/20=24/240. Sum = 164/240 = 41/60 simplified.
fraction_operations
3,794
algebra
easy
Solve for x: 11x - 18 = -117
-9
Add 18 to both sides: 11x = -117+18=-99. Then x = -99/11 = -9.
linear_equation
3,795
number_theory
medium
What is the GCD (greatest common divisor) of 60 and 26?
2
Find greatest number dividing both 60 and 26. Divisors common, greatest is 2.
gcd
3,796
calculus
medium
What is the derivative of 3x^5 with respect to x?
15x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^5] = 3*5*x^4 = 15x^4.
derivative
3,797
exponents
easy
What is 10^2?
100
10^2 means multiply 10 by itself 2 times: 10*10 = 100.
exponents
3,798
percentages
easy
What is 24% of 643?
154.32
Calculate 24/100 * 643 = 0.24*643 = 154.32.
percentages
3,799
fractions
medium
What is 11/16 + 1/16? Give as simplified fraction.
3/4
Common denominator 16*16=256. 11/16=176/256, 1/16=16/256. Sum = 192/256 = 3/4 simplified.
fraction_operations
3,800
percentages
easy
What is 78% of 542?
422.76
Calculate 78/100 * 542 = 0.78*542 = 422.76.
percentages