id
int64
1
735k
topic
stringclasses
11 values
difficulty
stringclasses
2 values
question
stringlengths
12
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stringlengths
1
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reasoning
stringlengths
20
98
category
stringclasses
19 values
731,001
number_theory
medium
What is the GCD (greatest common divisor) of 28 and 78?
2
Find greatest number dividing both 28 and 78. Divisors common, greatest is 2.
gcd
731,002
algebra
easy
Solve for x: 11x + 17 = 204
17
Subtract 17 from both sides: 11x = 204-17=187. Then divide by 11: x = 187/11 = 17.
linear_equation
731,003
algebra
easy
Solve for x: 12x - 32 = 52
7
Add 32 to both sides: 12x = 52+32=84. Then x = 84/12 = 7.
linear_equation
731,004
number_theory
medium
What is the GCD (greatest common divisor) of 36 and 66?
6
Find greatest number dividing both 36 and 66. Divisors common, greatest is 6.
gcd
731,005
algebra
easy
Solve for x: 20x + 12 = 232
11
Subtract 12 from both sides: 20x = 232-12=220. Then divide by 20: x = 220/20 = 11.
linear_equation
731,006
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
731,007
algebra
easy
Solve for x: 15x - 49 = -124
-5
Add 49 to both sides: 15x = -124+49=-75. Then x = -75/15 = -5.
linear_equation
731,008
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
731,009
geometry
easy
Find the circumference of a circle with radius 29. Use pi=3.14159, round to 2 decimals.
182.21
Circumference = 2*pi*r = 2*3.14159*29 = 182.21.
circle_circum
731,010
algebra
easy
Solve for x: 2x - 23 = -53
-15
Add 23 to both sides: 2x = -53+23=-30. Then x = -30/2 = -15.
linear_equation
731,011
arithmetic
easy
What is 37 * 83?
3071
Multiply: 37 * 83 = 3071.
basic_operations
731,012
number_theory
medium
What is the GCD (greatest common divisor) of 73 and 58?
1
Find greatest number dividing both 73 and 58. Divisors common, greatest is 1.
gcd
731,013
arithmetic
easy
What is 690 + 324 * 11? Remember order of operations.
4254
Order of operations (PEMDAS): first 324*11=3564, then 690+3564=4254.
basic_operations
731,014
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
731,015
fractions
medium
What is 14/13 * 19/19? Give as simplified fraction.
14/13
Multiply numerators: 14*19=266. Denominators: 13*19=247. Simplify by gcd 19 to get 14/13.
fraction_operations
731,016
fractions
medium
What is 20/11 - 4/17? Give as simplified fraction.
296/187
Common denominator 187. Numerator 340-44=296. So 296/187 simplifies to 296/187.
fraction_operations
731,017
number_theory
medium
What is the GCD (greatest common divisor) of 38 and 67?
1
Find greatest number dividing both 38 and 67. Divisors common, greatest is 1.
gcd
731,018
roots
easy
What is the square root of 484?
22
Find number that when squared gives 484. 22*22=484, so sqrt(484)=22.
square_roots
731,019
fractions
medium
What is 1/8 + 7/7? Give as simplified fraction.
9/8
Common denominator 8*7=56. 1/8=7/56, 7/7=56/56. Sum = 63/56 = 9/8 simplified.
fraction_operations
731,020
algebra
medium
Solve for x: x^2 - 1x - 2 = 0
x = -1, 2
Factor: (x - -1)(x - 2) = x^2 -(1)x + -2 = 0. So x = -1 or 2. Check sum = 1, product = -2.
quadratic
731,021
percentages
easy
What is 75% of 77?
57.75
Calculate 75/100 * 77 = 0.75*77 = 57.75.
percentages
731,022
arithmetic
easy
What is 599 + 187 * 78? Remember order of operations.
15185
Order of operations (PEMDAS): first 187*78=14586, then 599+14586=15185.
basic_operations
731,023
fractions
medium
What is 9/8 + 3/7? Give as simplified fraction.
87/56
Common denominator 8*7=56. 9/8=63/56, 3/7=24/56. Sum = 87/56 = 87/56 simplified.
fraction_operations
731,024
number_theory
medium
What is the LCM (least common multiple) of 98 and 45?
4410
LCM = |98*45| / GCD(98,45). GCD=1, so LCM=4410/1=4410.
lcm
731,025
arithmetic
easy
What is 26079 divided by 93? Give answer to 2 decimal places.
280.42
Calculate 26079/ 93 = 280.4194, rounded to 2 decimals is 280.42.
division
731,026
geometry
easy
Find the area of a rectangle with length 97 and width 19.
1843
Area = length * width = 97*19 = 1843.
rectangle_area
731,027
word_problems
easy
If you have 53 dollars and you buy 7 more dollars, how many dollars do you have in total?
60
Add initial 53 plus bought 7: 53+7=60.
addition_word
731,028
arithmetic
easy
What is 12046 divided by 94? Give answer to 2 decimal places.
128.15
Calculate 12046/ 94 = 128.1489, rounded to 2 decimals is 128.15.
division
731,029
exponents
easy
What is 11^4?
14641
11^4 means multiply 11 by itself 4 times: 11*11*11*11 = 14641.
exponents
731,030
arithmetic
easy
What is 85 * 6?
510
Multiply: 85 * 6 = 510.
basic_operations
731,031
word_problems
easy
If you have 69 apples and you buy 20 more apples, how many apples do you have in total?
89
Add initial 69 plus bought 20: 69+20=89.
addition_word
731,032
exponents
easy
What is 7^4?
2401
7^4 means multiply 7 by itself 4 times: 7*7*7*7 = 2401.
exponents
731,033
calculus
medium
What is the derivative of 8x^6 with respect to x?
48x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^6] = 8*6*x^5 = 48x^5.
derivative
731,034
statistics
easy
What is the mean (average) of 31, 99, 93, 47?
67.5
Mean = sum/count. Sum = 31+99+93+47=270. Count=4. Mean=270/4=67.5.
mean
731,035
percentages
easy
What is 63% of 335?
211.05
Calculate 63/100 * 335 = 0.63*335 = 211.05.
percentages
731,036
algebra
easy
Solve for x: 7x - 11 = 59
10
Add 11 to both sides: 7x = 59+11=70. Then x = 70/7 = 10.
linear_equation
731,037
statistics
easy
What is the mean (average) of 5, 73, 51?
43
Mean = sum/count. Sum = 5+73+51=129. Count=3. Mean=129/3=43.0.
mean
731,038
exponents
easy
What is 9^5?
59049
9^5 means multiply 9 by itself 5 times: 9*9*9*9*9 = 59049.
exponents
731,039
exponents
easy
What is 2^4?
16
2^4 means multiply 2 by itself 4 times: 2*2*2*2 = 16.
exponents
731,040
arithmetic
easy
What is 387 - 378?
9
Subtract: 387 - 378 = 9.
basic_operations
731,041
arithmetic
easy
What is 961 + 931?
1892
Add the two numbers: 961 + 931 = 1892.
basic_operations
731,042
arithmetic
easy
What is 689 + 240 * 9? Remember order of operations.
2849
Order of operations (PEMDAS): first 240*9=2160, then 689+2160=2849.
basic_operations
731,043
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
731,044
algebra
easy
Solve for x: 1x - 48 = -47
1
Add 48 to both sides: 1x = -47+48=1. Then x = 1/1 = 1.
linear_equation
731,045
arithmetic
easy
What is 236 + 485?
721
Add the two numbers: 236 + 485 = 721.
basic_operations
731,046
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
731,047
algebra
medium
Solve for x: x^2 + 5x - 14 = 0
x = -7, 2
Factor: (x - -7)(x - 2) = x^2 -(-5)x + -14 = 0. So x = -7 or 2. Check sum = -5, product = -14.
quadratic
731,048
number_theory
medium
What is the LCM (least common multiple) of 7 and 37?
259
LCM = |7*37| / GCD(7,37). GCD=1, so LCM=259/1=259.
lcm
731,049
algebra
easy
Solve for x: 17x + 9 = 264
15
Subtract 9 from both sides: 17x = 264-9=255. Then divide by 17: x = 255/17 = 15.
linear_equation
731,050
arithmetic
easy
What is 200 + 819?
1019
Add the two numbers: 200 + 819 = 1019.
basic_operations
731,051
word_problems
easy
If you have 44 dollars and you buy 20 more dollars, how many dollars do you have in total?
64
Add initial 44 plus bought 20: 44+20=64.
addition_word
731,052
roots
easy
What is the square root of 1521?
39
Find number that when squared gives 1521. 39*39=1521, so sqrt(1521)=39.
square_roots
731,053
algebra
medium
Solve for x: x^2 + 4x - 45 = 0
x = -9, 5
Factor: (x - -9)(x - 5) = x^2 -(-4)x + -45 = 0. So x = -9 or 5. Check sum = -4, product = -45.
quadratic
731,054
algebra
easy
Solve for x: 3x - 17 = -8
3
Add 17 to both sides: 3x = -8+17=9. Then x = 9/3 = 3.
linear_equation
731,055
algebra
medium
Solve for x: x^2 + 7x - 18 = 0
x = 2, -9
Factor: (x - 2)(x - -9) = x^2 -(-7)x + -18 = 0. So x = 2 or -9. Check sum = -7, product = -18.
quadratic
731,056
geometry
easy
Find the perimeter of a rectangle with length 10 and width 82.
184
Perimeter = 2*(length+width) = 2*(10+82) = 2*92 = 184.
rectangle_perim
731,057
fractions
medium
What is 15/2 + 8/17? Give as simplified fraction.
271/34
Common denominator 2*17=34. 15/2=255/34, 8/17=16/34. Sum = 271/34 = 271/34 simplified.
fraction_operations
731,058
algebra
medium
Solve for x: x^2 - 7x - 18 = 0
x = 9, -2
Factor: (x - 9)(x - -2) = x^2 -(7)x + -18 = 0. So x = 9 or -2. Check sum = 7, product = -18.
quadratic
731,059
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
731,060
exponents
easy
What is 6^5?
7776
6^5 means multiply 6 by itself 5 times: 6*6*6*6*6 = 7776.
exponents
731,061
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
731,062
fractions
medium
What is 8/3 * 16/16? Give as simplified fraction.
8/3
Multiply numerators: 8*16=128. Denominators: 3*16=48. Simplify by gcd 16 to get 8/3.
fraction_operations
731,063
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
731,064
percentages
easy
What is 33% of 399?
131.67
Calculate 33/100 * 399 = 0.33*399 = 131.67.
percentages
731,065
arithmetic
easy
What is 10 * 39?
390
Multiply: 10 * 39 = 390.
basic_operations
731,066
number_theory
medium
What is the LCM (least common multiple) of 50 and 46?
1150
LCM = |50*46| / GCD(50,46). GCD=2, so LCM=2300/2=1150.
lcm
731,067
roots
easy
What is the square root of 1600?
40
Find number that when squared gives 1600. 40*40=1600, so sqrt(1600)=40.
square_roots
731,068
percentages
easy
What is 49% of 838?
410.62
Calculate 49/100 * 838 = 0.49*838 = 410.62.
percentages
731,069
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
731,070
statistics
easy
What is the mean (average) of 83, 60, 52, 82, 31?
61.6
Mean = sum/count. Sum = 83+60+52+82+31=308. Count=5. Mean=308/5=61.6.
mean
731,071
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
731,072
roots
easy
What is the square root of 484?
22
Find number that when squared gives 484. 22*22=484, so sqrt(484)=22.
square_roots
731,073
number_theory
medium
What is the LCM (least common multiple) of 77 and 11?
77
LCM = |77*11| / GCD(77,11). GCD=11, so LCM=847/11=77.
lcm
731,074
geometry
easy
Find the circumference of a circle with radius 9. Use pi=3.14159, round to 2 decimals.
56.55
Circumference = 2*pi*r = 2*3.14159*9 = 56.55.
circle_circum
731,075
word_problems
easy
If you have 54 dollars and you buy 38 more dollars, how many dollars do you have in total?
92
Add initial 54 plus bought 38: 54+38=92.
addition_word
731,076
algebra
medium
Solve for x: x^2 + 5x + 4 = 0
x = -1, -4
Factor: (x - -1)(x - -4) = x^2 -(-5)x + 4 = 0. So x = -1 or -4. Check sum = -5, product = 4.
quadratic
731,077
exponents
easy
What is 3^4?
81
3^4 means multiply 3 by itself 4 times: 3*3*3*3 = 81.
exponents
731,078
arithmetic
easy
What is 16 + 163 * 30? Remember order of operations.
4906
Order of operations (PEMDAS): first 163*30=4890, then 16+4890=4906.
basic_operations
731,079
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
731,080
calculus
medium
What is the derivative of 9x^6 with respect to x?
54x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^6] = 9*6*x^5 = 54x^5.
derivative
731,081
statistics
easy
What is the mean (average) of 44, 38, 42?
41.33
Mean = sum/count. Sum = 44+38+42=124. Count=3. Mean=124/3=41.33.
mean
731,082
statistics
easy
What is the mean (average) of 68, 86, 13, 83?
62.5
Mean = sum/count. Sum = 68+86+13+83=250. Count=4. Mean=250/4=62.5.
mean
731,083
word_problems
easy
If you have 83 pencils and you buy 26 more pencils, how many pencils do you have in total?
109
Add initial 83 plus bought 26: 83+26=109.
addition_word
731,084
geometry
easy
Find the circumference of a circle with radius 30. Use pi=3.14159, round to 2 decimals.
188.5
Circumference = 2*pi*r = 2*3.14159*30 = 188.5.
circle_circum
731,085
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
731,086
arithmetic
easy
What is 942 + 43?
985
Add the two numbers: 942 + 43 = 985.
basic_operations
731,087
geometry
easy
Find the circumference of a circle with radius 25. Use pi=3.14159, round to 2 decimals.
157.08
Circumference = 2*pi*r = 2*3.14159*25 = 157.08.
circle_circum
731,088
word_problems
easy
If you have 44 apples and you buy 5 more apples, how many apples do you have in total?
49
Add initial 44 plus bought 5: 44+5=49.
addition_word
731,089
percentages
easy
What is 48% of 97?
46.56
Calculate 48/100 * 97 = 0.48*97 = 46.56.
percentages
731,090
word_problems
easy
If you have 28 books and you buy 44 more books, how many books do you have in total?
72
Add initial 28 plus bought 44: 28+44=72.
addition_word
731,091
fractions
medium
What is 8/3 * 4/12? Give as simplified fraction.
8/9
Multiply numerators: 8*4=32. Denominators: 3*12=36. Simplify by gcd 4 to get 8/9.
fraction_operations
731,092
exponents
easy
What is 6^3?
216
6^3 means multiply 6 by itself 3 times: 6*6*6 = 216.
exponents
731,093
arithmetic
easy
What is 4080 / 12?
340
Divide: 4080 ÷ 12 = 340 because 12*340=4080.
division
731,094
arithmetic
easy
What is 12464 / 76?
164
Divide: 12464 ÷ 76 = 164 because 76*164=12464.
division
731,095
algebra
easy
Solve for x: 10x - 42 = 18
6
Add 42 to both sides: 10x = 18+42=60. Then x = 60/10 = 6.
linear_equation
731,096
word_problems
easy
If you have 72 books and you buy 8 more books, how many books do you have in total?
80
Add initial 72 plus bought 8: 72+8=80.
addition_word
731,097
roots
easy
What is the square root of 81?
9
Find number that when squared gives 81. 9*9=81, so sqrt(81)=9.
square_roots
731,098
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
731,099
number_theory
medium
What is the GCD (greatest common divisor) of 35 and 50?
5
Find greatest number dividing both 35 and 50. Divisors common, greatest is 5.
gcd
731,100
word_problems
easy
If you have 34 apples and you buy 38 more apples, how many apples do you have in total?
72
Add initial 34 plus bought 38: 34+38=72.
addition_word