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
729,901
geometry
easy
Find the circumference of a circle with radius 38. Use pi=3.14159, round to 2 decimals.
238.76
Circumference = 2*pi*r = 2*3.14159*38 = 238.76.
circle_circum
729,902
number_theory
medium
What is the GCD (greatest common divisor) of 9 and 38?
1
Find greatest number dividing both 9 and 38. Divisors common, greatest is 1.
gcd
729,903
algebra
easy
Solve for x: 18x + 9 = 99
5
Subtract 9 from both sides: 18x = 99-9=90. Then divide by 18: x = 90/18 = 5.
linear_equation
729,904
arithmetic
easy
What is 17017 divided by 42? Give answer to 2 decimal places.
405.17
Calculate 17017/ 42 = 405.1667, rounded to 2 decimals is 405.17.
division
729,905
calculus
medium
What is the derivative of 6x^8 with respect to x?
48x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^8] = 6*8*x^7 = 48x^7.
derivative
729,906
arithmetic
easy
What is 12763 divided by 36? Give answer to 2 decimal places.
354.53
Calculate 12763/ 36 = 354.5278, rounded to 2 decimals is 354.53.
division
729,907
roots
easy
What is the square root of 1681?
41
Find number that when squared gives 1681. 41*41=1681, so sqrt(1681)=41.
square_roots
729,908
arithmetic
easy
What is 39672 / 87?
456
Divide: 39672 ÷ 87 = 456 because 87*456=39672.
division
729,909
algebra
easy
Solve for x: 2x - 5 = -23
-9
Add 5 to both sides: 2x = -23+5=-18. Then x = -18/2 = -9.
linear_equation
729,910
roots
easy
What is the square root of 2401?
49
Find number that when squared gives 2401. 49*49=2401, so sqrt(2401)=49.
square_roots
729,911
word_problems
easy
If you have 42 pencils and you buy 42 more pencils, how many pencils do you have in total?
84
Add initial 42 plus bought 42: 42+42=84.
addition_word
729,912
fractions
medium
What is 1/6 * 5/20? Give as simplified fraction.
1/24
Multiply numerators: 1*5=5. Denominators: 6*20=120. Simplify by gcd 5 to get 1/24.
fraction_operations
729,913
arithmetic
easy
What is 57 * 68?
3876
Multiply: 57 * 68 = 3876.
basic_operations
729,914
statistics
easy
What is the mean (average) of 93, 60, 31, 11, 84?
55.8
Mean = sum/count. Sum = 93+60+31+11+84=279. Count=5. Mean=279/5=55.8.
mean
729,915
percentages
easy
What is 27% of 351?
94.77
Calculate 27/100 * 351 = 0.27*351 = 94.77.
percentages
729,916
exponents
easy
What is 3^3?
27
3^3 means multiply 3 by itself 3 times: 3*3*3 = 27.
exponents
729,917
arithmetic
easy
What is 164 + 652?
816
Add the two numbers: 164 + 652 = 816.
basic_operations
729,918
arithmetic
easy
What is 56 * 7?
392
Multiply: 56 * 7 = 392.
basic_operations
729,919
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
729,920
arithmetic
easy
What is 6468 / 77?
84
Divide: 6468 ÷ 77 = 84 because 77*84=6468.
division
729,921
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
729,922
fractions
medium
What is 10/17 + 11/11? Give as simplified fraction.
27/17
Common denominator 17*11=187. 10/17=110/187, 11/11=187/187. Sum = 297/187 = 27/17 simplified.
fraction_operations
729,923
word_problems
easy
If you have 50 pencils and you buy 47 more pencils, how many pencils do you have in total?
97
Add initial 50 plus bought 47: 50+47=97.
addition_word
729,924
arithmetic
easy
What is 732 + 554 * 96? Remember order of operations.
53916
Order of operations (PEMDAS): first 554*96=53184, then 732+53184=53916.
basic_operations
729,925
arithmetic
easy
What is 811 + 295?
1106
Add the two numbers: 811 + 295 = 1106.
basic_operations
729,926
exponents
easy
What is 9^2?
81
9^2 means multiply 9 by itself 2 times: 9*9 = 81.
exponents
729,927
exponents
easy
What is 4^5?
1024
4^5 means multiply 4 by itself 5 times: 4*4*4*4*4 = 1024.
exponents
729,928
arithmetic
easy
What is 55 + 15 * 14? Remember order of operations.
265
Order of operations (PEMDAS): first 15*14=210, then 55+210=265.
basic_operations
729,929
statistics
easy
What is the mean (average) of 93, 19, 80, 71?
65.75
Mean = sum/count. Sum = 93+19+80+71=263. Count=4. Mean=263/4=65.75.
mean
729,930
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
729,931
arithmetic
easy
What is 5760 / 15?
384
Divide: 5760 ÷ 15 = 384 because 15*384=5760.
division
729,932
arithmetic
easy
What is 2946 divided by 40? Give answer to 2 decimal places.
73.65
Calculate 2946/ 40 = 73.6500, rounded to 2 decimals is 73.65.
division
729,933
arithmetic
easy
What is 2961 / 21?
141
Divide: 2961 ÷ 21 = 141 because 21*141=2961.
division
729,934
statistics
easy
What is the mean (average) of 26, 28, 68, 13?
33.75
Mean = sum/count. Sum = 26+28+68+13=135. Count=4. Mean=135/4=33.75.
mean
729,935
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
729,936
number_theory
medium
What is the GCD (greatest common divisor) of 42 and 14?
14
Find greatest number dividing both 42 and 14. Divisors common, greatest is 14.
gcd
729,937
arithmetic
easy
What is 18333 / 63?
291
Divide: 18333 ÷ 63 = 291 because 63*291=18333.
division
729,938
geometry
easy
Find the area of a triangle with base 60 and height 50.
1500
Area = 0.5*base*height = 0.5*60*50 = 1500.
triangle_area
729,939
fractions
medium
What is 18/20 + 13/11? Give as simplified fraction.
229/110
Common denominator 20*11=220. 18/20=198/220, 13/11=260/220. Sum = 458/220 = 229/110 simplified.
fraction_operations
729,940
geometry
easy
Find the perimeter of a rectangle with length 19 and width 84.
206
Perimeter = 2*(length+width) = 2*(19+84) = 2*103 = 206.
rectangle_perim
729,941
arithmetic
easy
What is 93 * 44?
4092
Multiply: 93 * 44 = 4092.
basic_operations
729,942
arithmetic
easy
What is 459 - 36?
423
Subtract: 459 - 36 = 423.
basic_operations
729,943
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
729,944
roots
easy
What is the square root of 361?
19
Find number that when squared gives 361. 19*19=361, so sqrt(361)=19.
square_roots
729,945
algebra
easy
Solve for x: 6x + 43 = -5
-8
Subtract 43 from both sides: 6x = -5-43=-48. Then divide by 6: x = -48/6 = -8.
linear_equation
729,946
number_theory
medium
What is the LCM (least common multiple) of 30 and 93?
930
LCM = |30*93| / GCD(30,93). GCD=3, so LCM=2790/3=930.
lcm
729,947
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
729,948
exponents
easy
What is 11^2?
121
11^2 means multiply 11 by itself 2 times: 11*11 = 121.
exponents
729,949
arithmetic
easy
What is 754 - 347?
407
Subtract: 754 - 347 = 407.
basic_operations
729,950
arithmetic
easy
What is 19778 divided by 84? Give answer to 2 decimal places.
235.45
Calculate 19778/ 84 = 235.4524, rounded to 2 decimals is 235.45.
division
729,951
exponents
easy
What is 10^4?
10000
10^4 means multiply 10 by itself 4 times: 10*10*10*10 = 10000.
exponents
729,952
arithmetic
easy
What is 19596 / 69?
284
Divide: 19596 ÷ 69 = 284 because 69*284=19596.
division
729,953
algebra
medium
Solve for x: x^2 + 14x + 45 = 0
x = -5, -9
Factor: (x - -5)(x - -9) = x^2 -(-14)x + 45 = 0. So x = -5 or -9. Check sum = -14, product = 45.
quadratic
729,954
arithmetic
easy
What is 560 divided by 11? Give answer to 2 decimal places.
50.91
Calculate 560/ 11 = 50.9091, rounded to 2 decimals is 50.91.
division
729,955
number_theory
medium
What is the LCM (least common multiple) of 53 and 73?
3869
LCM = |53*73| / GCD(53,73). GCD=1, so LCM=3869/1=3869.
lcm
729,956
arithmetic
easy
What is 26600 / 95?
280
Divide: 26600 ÷ 95 = 280 because 95*280=26600.
division
729,957
word_problems
easy
If you have 65 books and you buy 34 more books, how many books do you have in total?
99
Add initial 65 plus bought 34: 65+34=99.
addition_word
729,958
calculus
medium
What is the derivative of 7x^2 with respect to x?
14x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^2] = 7*2*x^1 = 14x.
derivative
729,959
geometry
easy
Find the area of a circle with radius 45. Use pi=3.14159, round to 2 decimals.
6361.73
Area = pi*r^2 = 3.14159*45^2 = 3.14159*2025 = 6361.73.
circle_area
729,960
arithmetic
easy
What is 483 divided by 5? Give answer to 2 decimal places.
96.6
Calculate 483/ 5 = 96.6000, rounded to 2 decimals is 96.6.
division
729,961
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
729,962
arithmetic
easy
What is 39 + 70 * 88? Remember order of operations.
6199
Order of operations (PEMDAS): first 70*88=6160, then 39+6160=6199.
basic_operations
729,963
geometry
easy
Find the area of a rectangle with length 24 and width 21.
504
Area = length * width = 24*21 = 504.
rectangle_area
729,964
algebra
medium
Solve for x: x^2 + 15x + 54 = 0
x = -6, -9
Factor: (x - -6)(x - -9) = x^2 -(-15)x + 54 = 0. So x = -6 or -9. Check sum = -15, product = 54.
quadratic
729,965
percentages
easy
What is 47% of 876?
411.72
Calculate 47/100 * 876 = 0.47*876 = 411.72.
percentages
729,966
geometry
easy
Find the area of a triangle with base 38 and height 73.
1387
Area = 0.5*base*height = 0.5*38*73 = 1387.
triangle_area
729,967
algebra
easy
Solve for x: 8x + 35 = -125
-20
Subtract 35 from both sides: 8x = -125-35=-160. Then divide by 8: x = -160/8 = -20.
linear_equation
729,968
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
729,969
statistics
easy
What is the mean (average) of 75, 17, 56, 63, 58?
53.8
Mean = sum/count. Sum = 75+17+56+63+58=269. Count=5. Mean=269/5=53.8.
mean
729,970
geometry
easy
Find the perimeter of a rectangle with length 70 and width 84.
308
Perimeter = 2*(length+width) = 2*(70+84) = 2*154 = 308.
rectangle_perim
729,971
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
729,972
percentages
easy
What is 77% of 931?
716.87
Calculate 77/100 * 931 = 0.77*931 = 716.87.
percentages
729,973
number_theory
medium
What is the GCD (greatest common divisor) of 90 and 74?
2
Find greatest number dividing both 90 and 74. Divisors common, greatest is 2.
gcd
729,974
fractions
medium
What is 14/9 * 18/8? Give as simplified fraction.
7/2
Multiply numerators: 14*18=252. Denominators: 9*8=72. Simplify by gcd 36 to get 7/2.
fraction_operations
729,975
algebra
easy
Solve for x: 10x - 45 = -175
-13
Add 45 to both sides: 10x = -175+45=-130. Then x = -130/10 = -13.
linear_equation
729,976
exponents
easy
What is 11^2?
121
11^2 means multiply 11 by itself 2 times: 11*11 = 121.
exponents
729,977
percentages
easy
What is 77% of 259?
199.43
Calculate 77/100 * 259 = 0.77*259 = 199.43.
percentages
729,978
geometry
easy
Find the area of a circle with radius 33. Use pi=3.14159, round to 2 decimals.
3421.19
Area = pi*r^2 = 3.14159*33^2 = 3.14159*1089 = 3421.19.
circle_area
729,979
exponents
easy
What is 11^3?
1331
11^3 means multiply 11 by itself 3 times: 11*11*11 = 1331.
exponents
729,980
arithmetic
easy
What is 4902 / 86?
57
Divide: 4902 ÷ 86 = 57 because 86*57=4902.
division
729,981
algebra
medium
Solve for x: x^2 + 17x + 70 = 0
x = -10, -7
Factor: (x - -10)(x - -7) = x^2 -(-17)x + 70 = 0. So x = -10 or -7. Check sum = -17, product = 70.
quadratic
729,982
statistics
easy
What is the mean (average) of 18, 27, 1?
15.33
Mean = sum/count. Sum = 18+27+1=46. Count=3. Mean=46/3=15.33.
mean
729,983
statistics
easy
What is the mean (average) of 93, 32, 4, 89, 89?
61.4
Mean = sum/count. Sum = 93+32+4+89+89=307. Count=5. Mean=307/5=61.4.
mean
729,984
number_theory
medium
What is the GCD (greatest common divisor) of 49 and 47?
1
Find greatest number dividing both 49 and 47. Divisors common, greatest is 1.
gcd
729,985
fractions
medium
What is 3/2 - 12/13? Give as simplified fraction.
15/26
Common denominator 26. Numerator 39-24=15. So 15/26 simplifies to 15/26.
fraction_operations
729,986
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
729,987
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
729,988
percentages
easy
What is 98% of 765?
749.7
Calculate 98/100 * 765 = 0.98*765 = 749.7.
percentages
729,989
arithmetic
easy
What is 484 + 689?
1173
Add the two numbers: 484 + 689 = 1173.
basic_operations
729,990
percentages
easy
What is 19% of 210?
39.9
Calculate 19/100 * 210 = 0.19*210 = 39.9.
percentages
729,991
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
729,992
algebra
medium
Solve for x: x^2 - 12x + 32 = 0
x = 8, 4
Factor: (x - 8)(x - 4) = x^2 -(12)x + 32 = 0. So x = 8 or 4. Check sum = 12, product = 32.
quadratic
729,993
fractions
medium
What is 8/8 * 16/2? Give as simplified fraction.
8
Multiply numerators: 8*16=128. Denominators: 8*2=16. Simplify by gcd 16 to get 8.
fraction_operations
729,994
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
729,995
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
729,996
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
729,997
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
729,998
statistics
easy
What is the mean (average) of 64, 91, 3?
52.67
Mean = sum/count. Sum = 64+91+3=158. Count=3. Mean=158/3=52.67.
mean
729,999
fractions
medium
What is 15/5 + 3/11? Give as simplified fraction.
36/11
Common denominator 5*11=55. 15/5=165/55, 3/11=15/55. Sum = 180/55 = 36/11 simplified.
fraction_operations
730,000
arithmetic
easy
What is 20 * 21?
420
Multiply: 20 * 21 = 420.
basic_operations