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
734,901
number_theory
medium
What is the GCD (greatest common divisor) of 41 and 62?
1
Find greatest number dividing both 41 and 62. Divisors common, greatest is 1.
gcd
734,902
algebra
easy
Solve for x: 9x + 33 = -129
-18
Subtract 33 from both sides: 9x = -129-33=-162. Then divide by 9: x = -162/9 = -18.
linear_equation
734,903
fractions
medium
What is 20/6 * 10/17? Give as simplified fraction.
100/51
Multiply numerators: 20*10=200. Denominators: 6*17=102. Simplify by gcd 2 to get 100/51.
fraction_operations
734,904
algebra
easy
Solve for x: 9x - 15 = -150
-15
Add 15 to both sides: 9x = -150+15=-135. Then x = -135/9 = -15.
linear_equation
734,905
roots
easy
What is the square root of 2025?
45
Find number that when squared gives 2025. 45*45=2025, so sqrt(2025)=45.
square_roots
734,906
arithmetic
easy
What is 16 + 10 * 89? Remember order of operations.
906
Order of operations (PEMDAS): first 10*89=890, then 16+890=906.
basic_operations
734,907
algebra
medium
Solve for x: x^2 - 2x - 80 = 0
x = 10, -8
Factor: (x - 10)(x - -8) = x^2 -(2)x + -80 = 0. So x = 10 or -8. Check sum = 2, product = -80.
quadratic
734,908
fractions
medium
What is 8/5 - 9/19? Give as simplified fraction.
107/95
Common denominator 95. Numerator 152-45=107. So 107/95 simplifies to 107/95.
fraction_operations
734,909
arithmetic
easy
What is 35 * 48?
1680
Multiply: 35 * 48 = 1680.
basic_operations
734,910
geometry
easy
Find the circumference of a circle with radius 1. Use pi=3.14159, round to 2 decimals.
6.28
Circumference = 2*pi*r = 2*3.14159*1 = 6.28.
circle_circum
734,911
percentages
easy
What is 79% of 99?
78.21
Calculate 79/100 * 99 = 0.79*99 = 78.21.
percentages
734,912
fractions
medium
What is 15/18 * 4/12? Give as simplified fraction.
5/18
Multiply numerators: 15*4=60. Denominators: 18*12=216. Simplify by gcd 12 to get 5/18.
fraction_operations
734,913
arithmetic
easy
What is 14 + 38 * 52? Remember order of operations.
1990
Order of operations (PEMDAS): first 38*52=1976, then 14+1976=1990.
basic_operations
734,914
geometry
easy
Find the area of a triangle with base 45 and height 3.
67.5
Area = 0.5*base*height = 0.5*45*3 = 67.5.
triangle_area
734,915
algebra
medium
Solve for x: x^2 + 5x + 6 = 0
x = -3, -2
Factor: (x - -3)(x - -2) = x^2 -(-5)x + 6 = 0. So x = -3 or -2. Check sum = -5, product = 6.
quadratic
734,916
percentages
easy
What is 78% of 670?
522.6
Calculate 78/100 * 670 = 0.78*670 = 522.6.
percentages
734,917
number_theory
medium
What is the GCD (greatest common divisor) of 74 and 95?
1
Find greatest number dividing both 74 and 95. Divisors common, greatest is 1.
gcd
734,918
number_theory
medium
What is the GCD (greatest common divisor) of 17 and 92?
1
Find greatest number dividing both 17 and 92. Divisors common, greatest is 1.
gcd
734,919
statistics
easy
What is the mean (average) of 21, 14, 13, 21, 25?
18.8
Mean = sum/count. Sum = 21+14+13+21+25=94. Count=5. Mean=94/5=18.8.
mean
734,920
algebra
easy
Solve for x: 4x + 9 = 17
2
Subtract 9 from both sides: 4x = 17-9=8. Then divide by 4: x = 8/4 = 2.
linear_equation
734,921
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
734,922
arithmetic
easy
What is 363 + 201?
564
Add the two numbers: 363 + 201 = 564.
basic_operations
734,923
arithmetic
easy
What is 634 + 859?
1493
Add the two numbers: 634 + 859 = 1493.
basic_operations
734,924
statistics
easy
What is the mean (average) of 3, 34, 51, 52?
35
Mean = sum/count. Sum = 3+34+51+52=140. Count=4. Mean=140/4=35.0.
mean
734,925
arithmetic
easy
What is 253 + 374 * 18? Remember order of operations.
6985
Order of operations (PEMDAS): first 374*18=6732, then 253+6732=6985.
basic_operations
734,926
algebra
easy
Solve for x: 8x - 35 = -155
-15
Add 35 to both sides: 8x = -155+35=-120. Then x = -120/8 = -15.
linear_equation
734,927
statistics
easy
What is the mean (average) of 13, 83, 19, 20, 67?
40.4
Mean = sum/count. Sum = 13+83+19+20+67=202. Count=5. Mean=202/5=40.4.
mean
734,928
arithmetic
easy
What is 596 - 522?
74
Subtract: 596 - 522 = 74.
basic_operations
734,929
geometry
easy
Find the circumference of a circle with radius 17. Use pi=3.14159, round to 2 decimals.
106.81
Circumference = 2*pi*r = 2*3.14159*17 = 106.81.
circle_circum
734,930
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
734,931
geometry
easy
Find the perimeter of a rectangle with length 28 and width 43.
142
Perimeter = 2*(length+width) = 2*(28+43) = 2*71 = 142.
rectangle_perim
734,932
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
734,933
arithmetic
easy
What is 17 * 11?
187
Multiply: 17 * 11 = 187.
basic_operations
734,934
arithmetic
easy
What is 4256 / 32?
133
Divide: 4256 ÷ 32 = 133 because 32*133=4256.
division
734,935
fractions
medium
What is 5/17 * 11/16? Give as simplified fraction.
55/272
Multiply numerators: 5*11=55. Denominators: 17*16=272. Simplify by gcd 1 to get 55/272.
fraction_operations
734,936
fractions
medium
What is 13/14 * 4/11? Give as simplified fraction.
26/77
Multiply numerators: 13*4=52. Denominators: 14*11=154. Simplify by gcd 2 to get 26/77.
fraction_operations
734,937
geometry
easy
Find the area of a triangle with base 88 and height 35.
1540
Area = 0.5*base*height = 0.5*88*35 = 1540.
triangle_area
734,938
arithmetic
easy
What is 34 + 463?
497
Add the two numbers: 34 + 463 = 497.
basic_operations
734,939
arithmetic
easy
What is 201 + 823?
1024
Add the two numbers: 201 + 823 = 1024.
basic_operations
734,940
percentages
easy
What is 39% of 949?
370.11
Calculate 39/100 * 949 = 0.39*949 = 370.11.
percentages
734,941
algebra
easy
Solve for x: 12x - 20 = 100
10
Add 20 to both sides: 12x = 100+20=120. Then x = 120/12 = 10.
linear_equation
734,942
arithmetic
easy
What is 18920 / 55?
344
Divide: 18920 ÷ 55 = 344 because 55*344=18920.
division
734,943
number_theory
medium
What is the GCD (greatest common divisor) of 56 and 60?
4
Find greatest number dividing both 56 and 60. Divisors common, greatest is 4.
gcd
734,944
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
734,945
arithmetic
easy
What is 17580 / 60?
293
Divide: 17580 ÷ 60 = 293 because 60*293=17580.
division
734,946
arithmetic
easy
What is 43 + 664?
707
Add the two numbers: 43 + 664 = 707.
basic_operations
734,947
arithmetic
easy
What is 15310 divided by 33? Give answer to 2 decimal places.
463.94
Calculate 15310/ 33 = 463.9394, rounded to 2 decimals is 463.94.
division
734,948
arithmetic
easy
What is 87 + 84 * 36? Remember order of operations.
3111
Order of operations (PEMDAS): first 84*36=3024, then 87+3024=3111.
basic_operations
734,949
percentages
easy
What is 95% of 634?
602.3
Calculate 95/100 * 634 = 0.95*634 = 602.3.
percentages
734,950
geometry
easy
Find the perimeter of a rectangle with length 31 and width 72.
206
Perimeter = 2*(length+width) = 2*(31+72) = 2*103 = 206.
rectangle_perim
734,951
arithmetic
easy
What is 255 + 98 * 48? Remember order of operations.
4959
Order of operations (PEMDAS): first 98*48=4704, then 255+4704=4959.
basic_operations
734,952
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
734,953
arithmetic
easy
What is 962 - 602?
360
Subtract: 962 - 602 = 360.
basic_operations
734,954
arithmetic
easy
What is 8118 / 22?
369
Divide: 8118 ÷ 22 = 369 because 22*369=8118.
division
734,955
arithmetic
easy
What is 686 + 650 * 31? Remember order of operations.
20836
Order of operations (PEMDAS): first 650*31=20150, then 686+20150=20836.
basic_operations
734,956
word_problems
easy
If you have 78 dollars and you buy 21 more dollars, how many dollars do you have in total?
99
Add initial 78 plus bought 21: 78+21=99.
addition_word
734,957
fractions
medium
What is 13/13 - 10/3? Give as simplified fraction.
-7/3
Common denominator 39. Numerator 39-130=-91. So -91/39 simplifies to -7/3.
fraction_operations
734,958
roots
easy
What is the square root of 1444?
38
Find number that when squared gives 1444. 38*38=1444, so sqrt(1444)=38.
square_roots
734,959
exponents
easy
What is 11^4?
14641
11^4 means multiply 11 by itself 4 times: 11*11*11*11 = 14641.
exponents
734,960
algebra
medium
Solve for x: x^2 - 2x - 3 = 0
x = -1, 3
Factor: (x - -1)(x - 3) = x^2 -(2)x + -3 = 0. So x = -1 or 3. Check sum = 2, product = -3.
quadratic
734,961
calculus
medium
What is the derivative of 9x^2 with respect to x?
18x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^2] = 9*2*x^1 = 18x.
derivative
734,962
arithmetic
easy
What is 671 divided by 7? Give answer to 2 decimal places.
95.86
Calculate 671/ 7 = 95.8571, rounded to 2 decimals is 95.86.
division
734,963
calculus
medium
What is the derivative of 6x^4 with respect to x?
24x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^4] = 6*4*x^3 = 24x^3.
derivative
734,964
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
734,965
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
734,966
algebra
easy
Solve for x: 9x - 2 = 133
15
Add 2 to both sides: 9x = 133+2=135. Then x = 135/9 = 15.
linear_equation
734,967
statistics
easy
What is the mean (average) of 55, 25, 95, 19?
48.5
Mean = sum/count. Sum = 55+25+95+19=194. Count=4. Mean=194/4=48.5.
mean
734,968
number_theory
medium
What is the GCD (greatest common divisor) of 9 and 33?
3
Find greatest number dividing both 9 and 33. Divisors common, greatest is 3.
gcd
734,969
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
734,970
arithmetic
easy
What is 714 + 937 * 78? Remember order of operations.
73800
Order of operations (PEMDAS): first 937*78=73086, then 714+73086=73800.
basic_operations
734,971
arithmetic
easy
What is 30 + 95 * 95? Remember order of operations.
9055
Order of operations (PEMDAS): first 95*95=9025, then 30+9025=9055.
basic_operations
734,972
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
734,973
arithmetic
easy
What is 802 - 680?
122
Subtract: 802 - 680 = 122.
basic_operations
734,974
algebra
easy
Solve for x: 11x + 1 = 155
14
Subtract 1 from both sides: 11x = 155-1=154. Then divide by 11: x = 154/11 = 14.
linear_equation
734,975
fractions
medium
What is 3/2 + 8/5? Give as simplified fraction.
31/10
Common denominator 2*5=10. 3/2=15/10, 8/5=16/10. Sum = 31/10 = 31/10 simplified.
fraction_operations
734,976
fractions
medium
What is 15/8 * 19/17? Give as simplified fraction.
285/136
Multiply numerators: 15*19=285. Denominators: 8*17=136. Simplify by gcd 1 to get 285/136.
fraction_operations
734,977
fractions
medium
What is 17/12 * 8/11? Give as simplified fraction.
34/33
Multiply numerators: 17*8=136. Denominators: 12*11=132. Simplify by gcd 4 to get 34/33.
fraction_operations
734,978
roots
easy
What is the square root of 1296?
36
Find number that when squared gives 1296. 36*36=1296, so sqrt(1296)=36.
square_roots
734,979
arithmetic
easy
What is 48 + 33 * 46? Remember order of operations.
1566
Order of operations (PEMDAS): first 33*46=1518, then 48+1518=1566.
basic_operations
734,980
geometry
easy
Find the area of a circle with radius 39. Use pi=3.14159, round to 2 decimals.
4778.36
Area = pi*r^2 = 3.14159*39^2 = 3.14159*1521 = 4778.36.
circle_area
734,981
arithmetic
easy
What is 270 - 166?
104
Subtract: 270 - 166 = 104.
basic_operations
734,982
exponents
easy
What is 8^4?
4096
8^4 means multiply 8 by itself 4 times: 8*8*8*8 = 4096.
exponents
734,983
arithmetic
easy
What is 47 * 61?
2867
Multiply: 47 * 61 = 2867.
basic_operations
734,984
fractions
medium
What is 5/19 - 5/11? Give as simplified fraction.
-40/209
Common denominator 209. Numerator 55-95=-40. So -40/209 simplifies to -40/209.
fraction_operations
734,985
number_theory
medium
What is the GCD (greatest common divisor) of 50 and 80?
10
Find greatest number dividing both 50 and 80. Divisors common, greatest is 10.
gcd
734,986
geometry
easy
Find the area of a circle with radius 21. Use pi=3.14159, round to 2 decimals.
1385.44
Area = pi*r^2 = 3.14159*21^2 = 3.14159*441 = 1385.44.
circle_area
734,987
word_problems
easy
If you have 23 dollars and you buy 11 more dollars, how many dollars do you have in total?
34
Add initial 23 plus bought 11: 23+11=34.
addition_word
734,988
algebra
medium
Solve for x: x^2 + 9x + 8 = 0
x = -8, -1
Factor: (x - -8)(x - -1) = x^2 -(-9)x + 8 = 0. So x = -8 or -1. Check sum = -9, product = 8.
quadratic
734,989
arithmetic
easy
What is 665 + 550 * 12? Remember order of operations.
7265
Order of operations (PEMDAS): first 550*12=6600, then 665+6600=7265.
basic_operations
734,990
arithmetic
easy
What is 470 + 561?
1031
Add the two numbers: 470 + 561 = 1031.
basic_operations
734,991
word_problems
easy
If you have 33 apples and you buy 28 more apples, how many apples do you have in total?
61
Add initial 33 plus bought 28: 33+28=61.
addition_word
734,992
arithmetic
easy
What is 720 - 156?
564
Subtract: 720 - 156 = 564.
basic_operations
734,993
arithmetic
easy
What is 15 + 22 * 63? Remember order of operations.
1401
Order of operations (PEMDAS): first 22*63=1386, then 15+1386=1401.
basic_operations
734,994
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
734,995
percentages
easy
What is 30% of 65?
19.5
Calculate 30/100 * 65 = 0.3*65 = 19.5.
percentages
734,996
arithmetic
easy
What is 965 + 70 * 96? Remember order of operations.
7685
Order of operations (PEMDAS): first 70*96=6720, then 965+6720=7685.
basic_operations
734,997
arithmetic
easy
What is 15 * 42?
630
Multiply: 15 * 42 = 630.
basic_operations
734,998
word_problems
easy
If you have 39 pencils and you buy 15 more pencils, how many pencils do you have in total?
54
Add initial 39 plus bought 15: 39+15=54.
addition_word
734,999
fractions
medium
What is 15/10 - 13/15? Give as simplified fraction.
19/30
Common denominator 150. Numerator 225-130=95. So 95/150 simplifies to 19/30.
fraction_operations
735,000
arithmetic
easy
What is 1440 / 12?
120
Divide: 1440 ÷ 12 = 120 because 12*120=1440.
division