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
730,001
algebra
easy
Solve for x: 4x - 29 = -17
3
Add 29 to both sides: 4x = -17+29=12. Then x = 12/4 = 3.
linear_equation
730,002
number_theory
medium
What is the GCD (greatest common divisor) of 84 and 52?
4
Find greatest number dividing both 84 and 52. Divisors common, greatest is 4.
gcd
730,003
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
730,004
number_theory
medium
What is the GCD (greatest common divisor) of 5 and 26?
1
Find greatest number dividing both 5 and 26. Divisors common, greatest is 1.
gcd
730,005
arithmetic
easy
What is 20900 / 95?
220
Divide: 20900 ÷ 95 = 220 because 95*220=20900.
division
730,006
arithmetic
easy
What is 519 - 324?
195
Subtract: 519 - 324 = 195.
basic_operations
730,007
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
730,008
geometry
easy
Find the area of a triangle with base 29 and height 23.
333.5
Area = 0.5*base*height = 0.5*29*23 = 333.5.
triangle_area
730,009
word_problems
easy
If you have 93 apples and you buy 4 more apples, how many apples do you have in total?
97
Add initial 93 plus bought 4: 93+4=97.
addition_word
730,010
arithmetic
easy
What is 8019 / 81?
99
Divide: 8019 ÷ 81 = 99 because 81*99=8019.
division
730,011
word_problems
easy
If you have 13 books and you buy 42 more books, how many books do you have in total?
55
Add initial 13 plus bought 42: 13+42=55.
addition_word
730,012
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
730,013
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
730,014
roots
easy
What is the square root of 2116?
46
Find number that when squared gives 2116. 46*46=2116, so sqrt(2116)=46.
square_roots
730,015
statistics
easy
What is the mean (average) of 15, 65, 31, 62, 84?
51.4
Mean = sum/count. Sum = 15+65+31+62+84=257. Count=5. Mean=257/5=51.4.
mean
730,016
number_theory
medium
What is the LCM (least common multiple) of 10 and 10?
10
LCM = |10*10| / GCD(10,10). GCD=10, so LCM=100/10=10.
lcm
730,017
geometry
easy
Find the circumference of a circle with radius 35. Use pi=3.14159, round to 2 decimals.
219.91
Circumference = 2*pi*r = 2*3.14159*35 = 219.91.
circle_circum
730,018
roots
easy
What is the square root of 729?
27
Find number that when squared gives 729. 27*27=729, so sqrt(729)=27.
square_roots
730,019
calculus
medium
What is the derivative of 3x^2 with respect to x?
6x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^2] = 3*2*x^1 = 6x.
derivative
730,020
arithmetic
easy
What is 47 * 48?
2256
Multiply: 47 * 48 = 2256.
basic_operations
730,021
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
730,022
geometry
easy
Find the area of a circle with radius 1. Use pi=3.14159, round to 2 decimals.
3.14
Area = pi*r^2 = 3.14159*1^2 = 3.14159*1 = 3.14.
circle_area
730,023
algebra
easy
Solve for x: 2x - 43 = -63
-10
Add 43 to both sides: 2x = -63+43=-20. Then x = -20/2 = -10.
linear_equation
730,024
arithmetic
easy
What is 69 divided by 33? Give answer to 2 decimal places.
2.09
Calculate 69/ 33 = 2.0909, rounded to 2 decimals is 2.09.
division
730,025
statistics
easy
What is the mean (average) of 74, 96, 66?
78.67
Mean = sum/count. Sum = 74+96+66=236. Count=3. Mean=236/3=78.67.
mean
730,026
arithmetic
easy
What is 74 + 35 * 31? Remember order of operations.
1159
Order of operations (PEMDAS): first 35*31=1085, then 74+1085=1159.
basic_operations
730,027
arithmetic
easy
What is 289 - 264?
25
Subtract: 289 - 264 = 25.
basic_operations
730,028
arithmetic
easy
What is 8598 divided by 75? Give answer to 2 decimal places.
114.64
Calculate 8598/ 75 = 114.6400, rounded to 2 decimals is 114.64.
division
730,029
geometry
easy
Find the area of a triangle with base 83 and height 95.
3942.5
Area = 0.5*base*height = 0.5*83*95 = 3942.5.
triangle_area
730,030
number_theory
medium
What is the GCD (greatest common divisor) of 19 and 96?
1
Find greatest number dividing both 19 and 96. Divisors common, greatest is 1.
gcd
730,031
arithmetic
easy
What is 4061 / 31?
131
Divide: 4061 ÷ 31 = 131 because 31*131=4061.
division
730,032
arithmetic
easy
What is 37 + 242 * 81? Remember order of operations.
19639
Order of operations (PEMDAS): first 242*81=19602, then 37+19602=19639.
basic_operations
730,033
percentages
easy
What is 10% of 455?
45.5
Calculate 10/100 * 455 = 0.1*455 = 45.5.
percentages
730,034
arithmetic
easy
What is 798 - 138?
660
Subtract: 798 - 138 = 660.
basic_operations
730,035
fractions
medium
What is 11/5 + 13/3? Give as simplified fraction.
98/15
Common denominator 5*3=15. 11/5=33/15, 13/3=65/15. Sum = 98/15 = 98/15 simplified.
fraction_operations
730,036
roots
easy
What is the square root of 729?
27
Find number that when squared gives 729. 27*27=729, so sqrt(729)=27.
square_roots
730,037
algebra
medium
Solve for x: x^2 + 7x - 8 = 0
x = -8, 1
Factor: (x - -8)(x - 1) = x^2 -(-7)x + -8 = 0. So x = -8 or 1. Check sum = -7, product = -8.
quadratic
730,038
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
730,039
arithmetic
easy
What is 2745 divided by 57? Give answer to 2 decimal places.
48.16
Calculate 2745/ 57 = 48.1579, rounded to 2 decimals is 48.16.
division
730,040
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
730,041
algebra
easy
Solve for x: 14x - 32 = 136
12
Add 32 to both sides: 14x = 136+32=168. Then x = 168/14 = 12.
linear_equation
730,042
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
730,043
percentages
easy
What is 1% of 674?
6.74
Calculate 1/100 * 674 = 0.01*674 = 6.74.
percentages
730,044
arithmetic
easy
What is 8483 divided by 28? Give answer to 2 decimal places.
302.96
Calculate 8483/ 28 = 302.9643, rounded to 2 decimals is 302.96.
division
730,045
calculus
medium
What is the derivative of 1x^8 with respect to x?
8x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^8] = 1*8*x^7 = 8x^7.
derivative
730,046
algebra
easy
Solve for x: 18x + 18 = 216
11
Subtract 18 from both sides: 18x = 216-18=198. Then divide by 18: x = 198/18 = 11.
linear_equation
730,047
arithmetic
easy
What is 19450 divided by 64? Give answer to 2 decimal places.
303.91
Calculate 19450/ 64 = 303.9062, rounded to 2 decimals is 303.91.
division
730,048
roots
easy
What is the square root of 144?
12
Find number that when squared gives 144. 12*12=144, so sqrt(144)=12.
square_roots
730,049
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
730,050
percentages
easy
What is 90% of 339?
305.1
Calculate 90/100 * 339 = 0.9*339 = 305.1.
percentages
730,051
percentages
easy
What is 96% of 157?
150.72
Calculate 96/100 * 157 = 0.96*157 = 150.72.
percentages
730,052
word_problems
easy
If you have 79 books and you buy 28 more books, how many books do you have in total?
107
Add initial 79 plus bought 28: 79+28=107.
addition_word
730,053
calculus
medium
What is the derivative of 2x^7 with respect to x?
14x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^7] = 2*7*x^6 = 14x^6.
derivative
730,054
percentages
easy
What is 34% of 534?
181.56
Calculate 34/100 * 534 = 0.34*534 = 181.56.
percentages
730,055
word_problems
easy
If you have 49 books and you buy 36 more books, how many books do you have in total?
85
Add initial 49 plus bought 36: 49+36=85.
addition_word
730,056
arithmetic
easy
What is 94 * 33?
3102
Multiply: 94 * 33 = 3102.
basic_operations
730,057
algebra
medium
Solve for x: x^2 - 6x - 40 = 0
x = -4, 10
Factor: (x - -4)(x - 10) = x^2 -(6)x + -40 = 0. So x = -4 or 10. Check sum = 6, product = -40.
quadratic
730,058
word_problems
easy
If you have 96 books and you buy 19 more books, how many books do you have in total?
115
Add initial 96 plus bought 19: 96+19=115.
addition_word
730,059
geometry
easy
Find the area of a rectangle with length 55 and width 95.
5225
Area = length * width = 55*95 = 5225.
rectangle_area
730,060
arithmetic
easy
What is 664 + 650 * 32? Remember order of operations.
21464
Order of operations (PEMDAS): first 650*32=20800, then 664+20800=21464.
basic_operations
730,061
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
730,062
algebra
medium
Solve for x: x^2 - 10x + 21 = 0
x = 7, 3
Factor: (x - 7)(x - 3) = x^2 -(10)x + 21 = 0. So x = 7 or 3. Check sum = 10, product = 21.
quadratic
730,063
percentages
easy
What is 29% of 738?
214.02
Calculate 29/100 * 738 = 0.29*738 = 214.02.
percentages
730,064
geometry
easy
Find the area of a triangle with base 71 and height 33.
1171.5
Area = 0.5*base*height = 0.5*71*33 = 1171.5.
triangle_area
730,065
algebra
easy
Solve for x: 16x - 50 = -242
-12
Add 50 to both sides: 16x = -242+50=-192. Then x = -192/16 = -12.
linear_equation
730,066
statistics
easy
What is the mean (average) of 15, 1, 9, 37, 3?
13
Mean = sum/count. Sum = 15+1+9+37+3=65. Count=5. Mean=65/5=13.0.
mean
730,067
arithmetic
easy
What is 65 * 15?
975
Multiply: 65 * 15 = 975.
basic_operations
730,068
arithmetic
easy
What is 507 + 95 * 94? Remember order of operations.
9437
Order of operations (PEMDAS): first 95*94=8930, then 507+8930=9437.
basic_operations
730,069
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
730,070
statistics
easy
What is the mean (average) of 68, 40, 41, 94?
60.75
Mean = sum/count. Sum = 68+40+41+94=243. Count=4. Mean=243/4=60.75.
mean
730,071
algebra
easy
Solve for x: 15x + 46 = 346
20
Subtract 46 from both sides: 15x = 346-46=300. Then divide by 15: x = 300/15 = 20.
linear_equation
730,072
algebra
easy
Solve for x: 7x - 41 = -167
-18
Add 41 to both sides: 7x = -167+41=-126. Then x = -126/7 = -18.
linear_equation
730,073
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
730,074
arithmetic
easy
What is 431 - 172?
259
Subtract: 431 - 172 = 259.
basic_operations
730,075
statistics
easy
What is the mean (average) of 88, 28, 39?
51.67
Mean = sum/count. Sum = 88+28+39=155. Count=3. Mean=155/3=51.67.
mean
730,076
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
730,077
arithmetic
easy
What is 29367 divided by 89? Give answer to 2 decimal places.
329.97
Calculate 29367/ 89 = 329.9663, rounded to 2 decimals is 329.97.
division
730,078
roots
easy
What is the square root of 169?
13
Find number that when squared gives 169. 13*13=169, so sqrt(169)=13.
square_roots
730,079
algebra
medium
Solve for x: x^2 + 13x + 40 = 0
x = -5, -8
Factor: (x - -5)(x - -8) = x^2 -(-13)x + 40 = 0. So x = -5 or -8. Check sum = -13, product = 40.
quadratic
730,080
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
730,081
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
730,082
arithmetic
easy
What is 893 - 802?
91
Subtract: 893 - 802 = 91.
basic_operations
730,083
arithmetic
easy
What is 193 + 381?
574
Add the two numbers: 193 + 381 = 574.
basic_operations
730,084
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
730,085
arithmetic
easy
What is 15477 divided by 37? Give answer to 2 decimal places.
418.3
Calculate 15477/ 37 = 418.2973, rounded to 2 decimals is 418.3.
division
730,086
statistics
easy
What is the mean (average) of 91, 73, 62, 63, 92?
76.2
Mean = sum/count. Sum = 91+73+62+63+92=381. Count=5. Mean=381/5=76.2.
mean
730,087
algebra
easy
Solve for x: 20x - 49 = 251
15
Add 49 to both sides: 20x = 251+49=300. Then x = 300/20 = 15.
linear_equation
730,088
arithmetic
easy
What is 977 + 162?
1139
Add the two numbers: 977 + 162 = 1139.
basic_operations
730,089
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
730,090
word_problems
easy
If you have 49 dollars and you buy 2 more dollars, how many dollars do you have in total?
51
Add initial 49 plus bought 2: 49+2=51.
addition_word
730,091
fractions
medium
What is 15/2 + 12/5? Give as simplified fraction.
99/10
Common denominator 2*5=10. 15/2=75/10, 12/5=24/10. Sum = 99/10 = 99/10 simplified.
fraction_operations
730,092
statistics
easy
What is the mean (average) of 49, 60, 33?
47.33
Mean = sum/count. Sum = 49+60+33=142. Count=3. Mean=142/3=47.33.
mean
730,093
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
730,094
number_theory
medium
What is the LCM (least common multiple) of 21 and 63?
63
LCM = |21*63| / GCD(21,63). GCD=21, so LCM=1323/21=63.
lcm
730,095
arithmetic
easy
What is 92 * 43?
3956
Multiply: 92 * 43 = 3956.
basic_operations
730,096
arithmetic
easy
What is 101 divided by 66? Give answer to 2 decimal places.
1.53
Calculate 101/ 66 = 1.5303, rounded to 2 decimals is 1.53.
division
730,097
calculus
medium
What is the derivative of 3x^4 with respect to x?
12x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^4] = 3*4*x^3 = 12x^3.
derivative
730,098
calculus
medium
What is the derivative of 7x^4 with respect to x?
28x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^4] = 7*4*x^3 = 28x^3.
derivative
730,099
algebra
medium
Solve for x: x^2 + 5x - 14 = 0
x = 2, -7
Factor: (x - 2)(x - -7) = x^2 -(-5)x + -14 = 0. So x = 2 or -7. Check sum = -5, product = -14.
quadratic
730,100
arithmetic
easy
What is 26644 divided by 79? Give answer to 2 decimal places.
337.27
Calculate 26644/ 79 = 337.2658, rounded to 2 decimals is 337.27.
division