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
1,001
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
1,002
statistics
easy
What is the mean (average) of 44, 36, 82?
54
Mean = sum/count. Sum = 44+36+82=162. Count=3. Mean=162/3=54.0.
mean
1,003
roots
easy
What is the square root of 324?
18
Find number that when squared gives 324. 18*18=324, so sqrt(324)=18.
square_roots
1,004
geometry
easy
Find the area of a circle with radius 13. Use pi=3.14159, round to 2 decimals.
530.93
Area = pi*r^2 = 3.14159*13^2 = 3.14159*169 = 530.93.
circle_area
1,005
algebra
easy
Solve for x: 17x + 47 = -38
-5
Subtract 47 from both sides: 17x = -38-47=-85. Then divide by 17: x = -85/17 = -5.
linear_equation
1,006
arithmetic
easy
What is 878 - 825?
53
Subtract: 878 - 825 = 53.
basic_operations
1,007
algebra
easy
Solve for x: 1x + 33 = 44
11
Subtract 33 from both sides: 1x = 44-33=11. Then divide by 1: x = 11/1 = 11.
linear_equation
1,008
exponents
easy
What is 6^5?
7776
6^5 means multiply 6 by itself 5 times: 6*6*6*6*6 = 7776.
exponents
1,009
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
1,010
fractions
medium
What is 11/9 * 18/17? Give as simplified fraction.
22/17
Multiply numerators: 11*18=198. Denominators: 9*17=153. Simplify by gcd 9 to get 22/17.
fraction_operations
1,011
number_theory
medium
What is the GCD (greatest common divisor) of 65 and 39?
13
Find greatest number dividing both 65 and 39. Divisors common, greatest is 13.
gcd
1,012
algebra
medium
Solve for x: x^2 + 8x + 7 = 0
x = -1, -7
Factor: (x - -1)(x - -7) = x^2 -(-8)x + 7 = 0. So x = -1 or -7. Check sum = -8, product = 7.
quadratic
1,013
statistics
easy
What is the mean (average) of 95, 34, 93?
74
Mean = sum/count. Sum = 95+34+93=222. Count=3. Mean=222/3=74.0.
mean
1,014
algebra
medium
Solve for x: x^2 - 10x = 0
x = 0, 10
Factor: (x - 0)(x - 10) = x^2 -(10)x + 0 = 0. So x = 0 or 10. Check sum = 10, product = 0.
quadratic
1,015
arithmetic
easy
What is 40 * 54?
2160
Multiply: 40 * 54 = 2160.
basic_operations
1,016
roots
easy
What is the square root of 576?
24
Find number that when squared gives 576. 24*24=576, so sqrt(576)=24.
square_roots
1,017
geometry
easy
Find the area of a triangle with base 38 and height 60.
1140
Area = 0.5*base*height = 0.5*38*60 = 1140.
triangle_area
1,018
arithmetic
easy
What is 1736 / 62?
28
Divide: 1736 ÷ 62 = 28 because 62*28=1736.
division
1,019
statistics
easy
What is the mean (average) of 65, 16, 88?
56.33
Mean = sum/count. Sum = 65+16+88=169. Count=3. Mean=169/3=56.33.
mean
1,020
calculus
medium
What is the derivative of 5x^6 with respect to x?
30x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^6] = 5*6*x^5 = 30x^5.
derivative
1,021
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
1,022
algebra
easy
Solve for x: 5x - 25 = -20
1
Add 25 to both sides: 5x = -20+25=5. Then x = 5/5 = 1.
linear_equation
1,023
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
1,024
word_problems
easy
If you have 23 books and you buy 21 more books, how many books do you have in total?
44
Add initial 23 plus bought 21: 23+21=44.
addition_word
1,025
arithmetic
easy
What is 500 + 341?
841
Add the two numbers: 500 + 341 = 841.
basic_operations
1,026
arithmetic
easy
What is 5 + 463?
468
Add the two numbers: 5 + 463 = 468.
basic_operations
1,027
algebra
medium
Solve for x: x^2 - 3x - 40 = 0
x = 8, -5
Factor: (x - 8)(x - -5) = x^2 -(3)x + -40 = 0. So x = 8 or -5. Check sum = 3, product = -40.
quadratic
1,028
statistics
easy
What is the mean (average) of 17, 79, 56?
50.67
Mean = sum/count. Sum = 17+79+56=152. Count=3. Mean=152/3=50.67.
mean
1,029
calculus
medium
What is the indefinite integral of x^4 dx?
x^5/5 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^4 = x^5/5 + C.
integral
1,030
calculus
medium
What is the indefinite integral of x^4 dx?
x^5/5 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^4 = x^5/5 + C.
integral
1,031
calculus
medium
What is the derivative of 1x^2 with respect to x?
2x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^2] = 1*2*x^1 = 2x.
derivative
1,032
fractions
medium
What is 12/2 + 11/18? Give as simplified fraction.
119/18
Common denominator 2*18=36. 12/2=216/36, 11/18=22/36. Sum = 238/36 = 119/18 simplified.
fraction_operations
1,033
arithmetic
easy
What is 32 * 29?
928
Multiply: 32 * 29 = 928.
basic_operations
1,034
number_theory
medium
What is the GCD (greatest common divisor) of 40 and 17?
1
Find greatest number dividing both 40 and 17. Divisors common, greatest is 1.
gcd
1,035
calculus
medium
What is the derivative of 10x^6 with respect to x?
60x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^6] = 10*6*x^5 = 60x^5.
derivative
1,036
exponents
easy
What is 4^2?
16
4^2 means multiply 4 by itself 2 times: 4*4 = 16.
exponents
1,037
arithmetic
easy
What is 972 - 306?
666
Subtract: 972 - 306 = 666.
basic_operations
1,038
roots
easy
What is the square root of 784?
28
Find number that when squared gives 784. 28*28=784, so sqrt(784)=28.
square_roots
1,039
algebra
easy
Solve for x: 11x + 12 = 34
2
Subtract 12 from both sides: 11x = 34-12=22. Then divide by 11: x = 22/11 = 2.
linear_equation
1,040
fractions
medium
What is 6/14 + 1/9? Give as simplified fraction.
34/63
Common denominator 14*9=126. 6/14=54/126, 1/9=14/126. Sum = 68/126 = 34/63 simplified.
fraction_operations
1,041
algebra
easy
Solve for x: 7x + 43 = -90
-19
Subtract 43 from both sides: 7x = -90-43=-133. Then divide by 7: x = -133/7 = -19.
linear_equation
1,042
algebra
medium
Solve for x: x^2 + 6x - 7 = 0
x = -7, 1
Factor: (x - -7)(x - 1) = x^2 -(-6)x + -7 = 0. So x = -7 or 1. Check sum = -6, product = -7.
quadratic
1,043
arithmetic
easy
What is 898 - 385?
513
Subtract: 898 - 385 = 513.
basic_operations
1,044
arithmetic
easy
What is 609 + 50?
659
Add the two numbers: 609 + 50 = 659.
basic_operations
1,045
arithmetic
easy
What is 707 - 50?
657
Subtract: 707 - 50 = 657.
basic_operations
1,046
arithmetic
easy
What is 9360 / 72?
130
Divide: 9360 ÷ 72 = 130 because 72*130=9360.
division
1,047
fractions
medium
What is 1/11 * 14/5? Give as simplified fraction.
14/55
Multiply numerators: 1*14=14. Denominators: 11*5=55. Simplify by gcd 1 to get 14/55.
fraction_operations
1,048
geometry
easy
Find the area of a triangle with base 78 and height 90.
3510
Area = 0.5*base*height = 0.5*78*90 = 3510.
triangle_area
1,049
algebra
easy
Solve for x: 14x - 37 = 131
12
Add 37 to both sides: 14x = 131+37=168. Then x = 168/14 = 12.
linear_equation
1,050
arithmetic
easy
What is 2249 divided by 38? Give answer to 2 decimal places.
59.18
Calculate 2249/ 38 = 59.1842, rounded to 2 decimals is 59.18.
division
1,051
fractions
medium
What is 20/8 + 9/18? Give as simplified fraction.
3
Common denominator 8*18=144. 20/8=360/144, 9/18=72/144. Sum = 432/144 = 3 simplified.
fraction_operations
1,052
number_theory
medium
What is the LCM (least common multiple) of 91 and 53?
4823
LCM = |91*53| / GCD(91,53). GCD=1, so LCM=4823/1=4823.
lcm
1,053
algebra
medium
Solve for x: x^2 + 2x - 63 = 0
x = -9, 7
Factor: (x - -9)(x - 7) = x^2 -(-2)x + -63 = 0. So x = -9 or 7. Check sum = -2, product = -63.
quadratic
1,054
statistics
easy
What is the mean (average) of 89, 62, 43?
64.67
Mean = sum/count. Sum = 89+62+43=194. Count=3. Mean=194/3=64.67.
mean
1,055
percentages
easy
What is 1% of 14?
0.14
Calculate 1/100 * 14 = 0.01*14 = 0.14.
percentages
1,056
arithmetic
easy
What is 64 * 20?
1280
Multiply: 64 * 20 = 1280.
basic_operations
1,057
arithmetic
easy
What is 741 - 741?
0
Subtract: 741 - 741 = 0.
basic_operations
1,058
word_problems
easy
If you have 42 candies and you buy 17 more candies, how many candies do you have in total?
59
Add initial 42 plus bought 17: 42+17=59.
addition_word
1,059
arithmetic
easy
What is 103 + 833?
936
Add the two numbers: 103 + 833 = 936.
basic_operations
1,060
number_theory
medium
What is the LCM (least common multiple) of 87 and 41?
3567
LCM = |87*41| / GCD(87,41). GCD=1, so LCM=3567/1=3567.
lcm
1,061
arithmetic
easy
What is 6104 / 14?
436
Divide: 6104 ÷ 14 = 436 because 14*436=6104.
division
1,062
arithmetic
easy
What is 22 * 43?
946
Multiply: 22 * 43 = 946.
basic_operations
1,063
word_problems
easy
If you have 84 apples and you buy 18 more apples, how many apples do you have in total?
102
Add initial 84 plus bought 18: 84+18=102.
addition_word
1,064
number_theory
medium
What is the GCD (greatest common divisor) of 44 and 24?
4
Find greatest number dividing both 44 and 24. Divisors common, greatest is 4.
gcd
1,065
calculus
medium
What is the derivative of 8x^5 with respect to x?
40x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^5] = 8*5*x^4 = 40x^4.
derivative
1,066
geometry
easy
Find the circumference of a circle with radius 45. Use pi=3.14159, round to 2 decimals.
282.74
Circumference = 2*pi*r = 2*3.14159*45 = 282.74.
circle_circum
1,067
statistics
easy
What is the mean (average) of 84, 22, 15, 17?
34.5
Mean = sum/count. Sum = 84+22+15+17=138. Count=4. Mean=138/4=34.5.
mean
1,068
arithmetic
easy
What is 966 + 865?
1831
Add the two numbers: 966 + 865 = 1831.
basic_operations
1,069
statistics
easy
What is the mean (average) of 87, 57, 24, 79, 49?
59.2
Mean = sum/count. Sum = 87+57+24+79+49=296. Count=5. Mean=296/5=59.2.
mean
1,070
number_theory
medium
What is the GCD (greatest common divisor) of 79 and 4?
1
Find greatest number dividing both 79 and 4. Divisors common, greatest is 1.
gcd
1,071
statistics
easy
What is the mean (average) of 15, 53, 57, 6?
32.75
Mean = sum/count. Sum = 15+53+57+6=131. Count=4. Mean=131/4=32.75.
mean
1,072
arithmetic
easy
What is 268 + 671?
939
Add the two numbers: 268 + 671 = 939.
basic_operations
1,073
percentages
easy
What is 86% of 895?
769.7
Calculate 86/100 * 895 = 0.86*895 = 769.7.
percentages
1,074
roots
easy
What is the square root of 1156?
34
Find number that when squared gives 1156. 34*34=1156, so sqrt(1156)=34.
square_roots
1,075
arithmetic
easy
What is 19323 / 57?
339
Divide: 19323 ÷ 57 = 339 because 57*339=19323.
division
1,076
statistics
easy
What is the mean (average) of 85, 87, 83, 50?
76.25
Mean = sum/count. Sum = 85+87+83+50=305. Count=4. Mean=305/4=76.25.
mean
1,077
algebra
easy
Solve for x: 18x + 28 = -278
-17
Subtract 28 from both sides: 18x = -278-28=-306. Then divide by 18: x = -306/18 = -17.
linear_equation
1,078
arithmetic
easy
What is 61 * 64?
3904
Multiply: 61 * 64 = 3904.
basic_operations
1,079
arithmetic
easy
What is 770 + 504?
1274
Add the two numbers: 770 + 504 = 1274.
basic_operations
1,080
geometry
easy
Find the area of a rectangle with length 65 and width 29.
1885
Area = length * width = 65*29 = 1885.
rectangle_area
1,081
calculus
medium
What is the derivative of 4x^5 with respect to x?
20x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^5] = 4*5*x^4 = 20x^4.
derivative
1,082
arithmetic
easy
What is 471 + 455 * 74? Remember order of operations.
34141
Order of operations (PEMDAS): first 455*74=33670, then 471+33670=34141.
basic_operations
1,083
statistics
easy
What is the mean (average) of 41, 16, 64, 96?
54.25
Mean = sum/count. Sum = 41+16+64+96=217. Count=4. Mean=217/4=54.25.
mean
1,084
arithmetic
easy
What is 106 + 414?
520
Add the two numbers: 106 + 414 = 520.
basic_operations
1,085
arithmetic
easy
What is 82 * 39?
3198
Multiply: 82 * 39 = 3198.
basic_operations
1,086
fractions
medium
What is 15/12 + 12/3? Give as simplified fraction.
21/4
Common denominator 12*3=36. 15/12=45/36, 12/3=144/36. Sum = 189/36 = 21/4 simplified.
fraction_operations
1,087
word_problems
easy
If you have 47 pencils and you buy 36 more pencils, how many pencils do you have in total?
83
Add initial 47 plus bought 36: 47+36=83.
addition_word
1,088
statistics
easy
What is the mean (average) of 85, 47, 92, 58, 15?
59.4
Mean = sum/count. Sum = 85+47+92+58+15=297. Count=5. Mean=297/5=59.4.
mean
1,089
arithmetic
easy
What is 33462 / 99?
338
Divide: 33462 ÷ 99 = 338 because 99*338=33462.
division
1,090
roots
easy
What is the square root of 529?
23
Find number that when squared gives 529. 23*23=529, so sqrt(529)=23.
square_roots
1,091
exponents
easy
What is 10^4?
10000
10^4 means multiply 10 by itself 4 times: 10*10*10*10 = 10000.
exponents
1,092
arithmetic
easy
What is 3222 divided by 7? Give answer to 2 decimal places.
460.29
Calculate 3222/ 7 = 460.2857, rounded to 2 decimals is 460.29.
division
1,093
algebra
easy
Solve for x: 14x - 37 = -93
-4
Add 37 to both sides: 14x = -93+37=-56. Then x = -56/14 = -4.
linear_equation
1,094
fractions
medium
What is 7/5 - 13/8? Give as simplified fraction.
-9/40
Common denominator 40. Numerator 56-65=-9. So -9/40 simplifies to -9/40.
fraction_operations
1,095
fractions
medium
What is 11/5 * 14/3? Give as simplified fraction.
154/15
Multiply numerators: 11*14=154. Denominators: 5*3=15. Simplify by gcd 1 to get 154/15.
fraction_operations
1,096
arithmetic
easy
What is 45758 divided by 100? Give answer to 2 decimal places.
457.58
Calculate 45758/ 100 = 457.5800, rounded to 2 decimals is 457.58.
division
1,097
algebra
easy
Solve for x: 16x - 50 = 158
13
Add 50 to both sides: 16x = 158+50=208. Then x = 208/16 = 13.
linear_equation
1,098
arithmetic
easy
What is 62 * 66?
4092
Multiply: 62 * 66 = 4092.
basic_operations
1,099
algebra
medium
Solve for x: x^2 - 3x - 40 = 0
x = 8, -5
Factor: (x - 8)(x - -5) = x^2 -(3)x + -40 = 0. So x = 8 or -5. Check sum = 3, product = -40.
quadratic
1,100
algebra
easy
Solve for x: 4x - 1 = 71
18
Add 1 to both sides: 4x = 71+1=72. Then x = 72/4 = 18.
linear_equation