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
1,801
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
1,802
arithmetic
easy
What is 931 + 683 * 47? Remember order of operations.
33032
Order of operations (PEMDAS): first 683*47=32101, then 931+32101=33032.
basic_operations
1,803
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
1,804
calculus
medium
What is the derivative of 1x^4 with respect to x?
4x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^4] = 1*4*x^3 = 4x^3.
derivative
1,805
exponents
easy
What is 7^4?
2401
7^4 means multiply 7 by itself 4 times: 7*7*7*7 = 2401.
exponents
1,806
exponents
easy
What is 9^2?
81
9^2 means multiply 9 by itself 2 times: 9*9 = 81.
exponents
1,807
fractions
medium
What is 15/15 + 15/11? Give as simplified fraction.
26/11
Common denominator 15*11=165. 15/15=165/165, 15/11=225/165. Sum = 390/165 = 26/11 simplified.
fraction_operations
1,808
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
1,809
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
1,810
arithmetic
easy
What is 213 - 148?
65
Subtract: 213 - 148 = 65.
basic_operations
1,811
roots
easy
What is the square root of 25?
5
Find number that when squared gives 25. 5*5=25, so sqrt(25)=5.
square_roots
1,812
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
1,813
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
1,814
geometry
easy
Find the circumference of a circle with radius 12. Use pi=3.14159, round to 2 decimals.
75.4
Circumference = 2*pi*r = 2*3.14159*12 = 75.4.
circle_circum
1,815
word_problems
easy
If you have 95 books and you buy 37 more books, how many books do you have in total?
132
Add initial 95 plus bought 37: 95+37=132.
addition_word
1,816
fractions
medium
What is 6/14 - 10/19? Give as simplified fraction.
-13/133
Common denominator 266. Numerator 114-140=-26. So -26/266 simplifies to -13/133.
fraction_operations
1,817
arithmetic
easy
What is 39 * 64?
2496
Multiply: 39 * 64 = 2496.
basic_operations
1,818
word_problems
easy
If you have 33 apples and you buy 2 more apples, how many apples do you have in total?
35
Add initial 33 plus bought 2: 33+2=35.
addition_word
1,819
algebra
easy
Solve for x: 9x - 12 = 168
20
Add 12 to both sides: 9x = 168+12=180. Then x = 180/9 = 20.
linear_equation
1,820
statistics
easy
What is the mean (average) of 84, 86, 37?
69
Mean = sum/count. Sum = 84+86+37=207. Count=3. Mean=207/3=69.0.
mean
1,821
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
1,822
statistics
easy
What is the mean (average) of 83, 32, 4, 16, 98?
46.6
Mean = sum/count. Sum = 83+32+4+16+98=233. Count=5. Mean=233/5=46.6.
mean
1,823
geometry
easy
Find the circumference of a circle with radius 5. Use pi=3.14159, round to 2 decimals.
31.42
Circumference = 2*pi*r = 2*3.14159*5 = 31.42.
circle_circum
1,824
number_theory
medium
What is the LCM (least common multiple) of 75 and 62?
4650
LCM = |75*62| / GCD(75,62). GCD=1, so LCM=4650/1=4650.
lcm
1,825
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
1,826
arithmetic
easy
What is 12887 / 49?
263
Divide: 12887 ÷ 49 = 263 because 49*263=12887.
division
1,827
geometry
easy
Find the perimeter of a rectangle with length 75 and width 8.
166
Perimeter = 2*(length+width) = 2*(75+8) = 2*83 = 166.
rectangle_perim
1,828
algebra
easy
Solve for x: 11x + 9 = -123
-12
Subtract 9 from both sides: 11x = -123-9=-132. Then divide by 11: x = -132/11 = -12.
linear_equation
1,829
number_theory
medium
What is the LCM (least common multiple) of 21 and 7?
21
LCM = |21*7| / GCD(21,7). GCD=7, so LCM=147/7=21.
lcm
1,830
number_theory
medium
What is the LCM (least common multiple) of 54 and 82?
2214
LCM = |54*82| / GCD(54,82). GCD=2, so LCM=4428/2=2214.
lcm
1,831
arithmetic
easy
What is 10 + 66 * 68? Remember order of operations.
4498
Order of operations (PEMDAS): first 66*68=4488, then 10+4488=4498.
basic_operations
1,832
algebra
medium
Solve for x: x^2 - 2x - 63 = 0
x = -7, 9
Factor: (x - -7)(x - 9) = x^2 -(2)x + -63 = 0. So x = -7 or 9. Check sum = 2, product = -63.
quadratic
1,833
algebra
medium
Solve for x: x^2 - 7x = 0
x = 7, 0
Factor: (x - 7)(x - 0) = x^2 -(7)x + 0 = 0. So x = 7 or 0. Check sum = 7, product = 0.
quadratic
1,834
roots
easy
What is the square root of 1936?
44
Find number that when squared gives 1936. 44*44=1936, so sqrt(1936)=44.
square_roots
1,835
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
1,836
arithmetic
easy
What is 20790 / 70?
297
Divide: 20790 ÷ 70 = 297 because 70*297=20790.
division
1,837
arithmetic
easy
What is 531 - 141?
390
Subtract: 531 - 141 = 390.
basic_operations
1,838
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
1,839
algebra
medium
Solve for x: x^2 + 11x + 28 = 0
x = -7, -4
Factor: (x - -7)(x - -4) = x^2 -(-11)x + 28 = 0. So x = -7 or -4. Check sum = -11, product = 28.
quadratic
1,840
algebra
easy
Solve for x: 17x - 22 = -158
-8
Add 22 to both sides: 17x = -158+22=-136. Then x = -136/17 = -8.
linear_equation
1,841
arithmetic
easy
What is 12980 / 55?
236
Divide: 12980 ÷ 55 = 236 because 55*236=12980.
division
1,842
algebra
easy
Solve for x: 1x + 11 = 13
2
Subtract 11 from both sides: 1x = 13-11=2. Then divide by 1: x = 2/1 = 2.
linear_equation
1,843
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
1,844
word_problems
easy
If you have 81 dollars and you buy 34 more dollars, how many dollars do you have in total?
115
Add initial 81 plus bought 34: 81+34=115.
addition_word
1,845
algebra
medium
Solve for x: x^2 + 11x + 10 = 0
x = -1, -10
Factor: (x - -1)(x - -10) = x^2 -(-11)x + 10 = 0. So x = -1 or -10. Check sum = -11, product = 10.
quadratic
1,846
arithmetic
easy
What is 1980 / 30?
66
Divide: 1980 ÷ 30 = 66 because 30*66=1980.
division
1,847
percentages
easy
What is 40% of 129?
51.6
Calculate 40/100 * 129 = 0.4*129 = 51.6.
percentages
1,848
fractions
medium
What is 5/4 + 14/5? Give as simplified fraction.
81/20
Common denominator 4*5=20. 5/4=25/20, 14/5=56/20. Sum = 81/20 = 81/20 simplified.
fraction_operations
1,849
arithmetic
easy
What is 794 + 496 * 97? Remember order of operations.
48906
Order of operations (PEMDAS): first 496*97=48112, then 794+48112=48906.
basic_operations
1,850
arithmetic
easy
What is 2442 / 6?
407
Divide: 2442 ÷ 6 = 407 because 6*407=2442.
division
1,851
statistics
easy
What is the mean (average) of 33, 6, 9?
16
Mean = sum/count. Sum = 33+6+9=48. Count=3. Mean=48/3=16.0.
mean
1,852
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
1,853
arithmetic
easy
What is 8024 / 17?
472
Divide: 8024 ÷ 17 = 472 because 17*472=8024.
division
1,854
algebra
medium
Solve for x: x^2 + 9x - 10 = 0
x = 1, -10
Factor: (x - 1)(x - -10) = x^2 -(-9)x + -10 = 0. So x = 1 or -10. Check sum = -9, product = -10.
quadratic
1,855
arithmetic
easy
What is 867 - 150?
717
Subtract: 867 - 150 = 717.
basic_operations
1,856
number_theory
medium
What is the GCD (greatest common divisor) of 46 and 21?
1
Find greatest number dividing both 46 and 21. Divisors common, greatest is 1.
gcd
1,857
arithmetic
easy
What is 102 + 840?
942
Add the two numbers: 102 + 840 = 942.
basic_operations
1,858
fractions
medium
What is 10/7 * 18/2? Give as simplified fraction.
90/7
Multiply numerators: 10*18=180. Denominators: 7*2=14. Simplify by gcd 2 to get 90/7.
fraction_operations
1,859
arithmetic
easy
What is 13705 divided by 29? Give answer to 2 decimal places.
472.59
Calculate 13705/ 29 = 472.5862, rounded to 2 decimals is 472.59.
division
1,860
number_theory
medium
What is the GCD (greatest common divisor) of 90 and 76?
2
Find greatest number dividing both 90 and 76. Divisors common, greatest is 2.
gcd
1,861
word_problems
easy
If you have 91 books and you buy 7 more books, how many books do you have in total?
98
Add initial 91 plus bought 7: 91+7=98.
addition_word
1,862
number_theory
medium
What is the GCD (greatest common divisor) of 49 and 55?
1
Find greatest number dividing both 49 and 55. Divisors common, greatest is 1.
gcd
1,863
percentages
easy
What is 53% of 116?
61.48
Calculate 53/100 * 116 = 0.53*116 = 61.48.
percentages
1,864
roots
easy
What is the square root of 64?
8
Find number that when squared gives 64. 8*8=64, so sqrt(64)=8.
square_roots
1,865
word_problems
easy
If you have 19 books and you buy 34 more books, how many books do you have in total?
53
Add initial 19 plus bought 34: 19+34=53.
addition_word
1,866
statistics
easy
What is the mean (average) of 91, 37, 72, 93?
73.25
Mean = sum/count. Sum = 91+37+72+93=293. Count=4. Mean=293/4=73.25.
mean
1,867
arithmetic
easy
What is 85 + 336?
421
Add the two numbers: 85 + 336 = 421.
basic_operations
1,868
word_problems
easy
If you have 81 dollars and you buy 48 more dollars, how many dollars do you have in total?
129
Add initial 81 plus bought 48: 81+48=129.
addition_word
1,869
word_problems
easy
If you have 33 candies and you buy 36 more candies, how many candies do you have in total?
69
Add initial 33 plus bought 36: 33+36=69.
addition_word
1,870
exponents
easy
What is 8^3?
512
8^3 means multiply 8 by itself 3 times: 8*8*8 = 512.
exponents
1,871
arithmetic
easy
What is 48 + 23 * 61? Remember order of operations.
1451
Order of operations (PEMDAS): first 23*61=1403, then 48+1403=1451.
basic_operations
1,872
statistics
easy
What is the mean (average) of 14, 51, 57, 67, 85?
54.8
Mean = sum/count. Sum = 14+51+57+67+85=274. Count=5. Mean=274/5=54.8.
mean
1,873
arithmetic
easy
What is 147 - 123?
24
Subtract: 147 - 123 = 24.
basic_operations
1,874
arithmetic
easy
What is 45504 / 96?
474
Divide: 45504 ÷ 96 = 474 because 96*474=45504.
division
1,875
number_theory
medium
What is the GCD (greatest common divisor) of 26 and 44?
2
Find greatest number dividing both 26 and 44. Divisors common, greatest is 2.
gcd
1,876
calculus
medium
What is the derivative of 4x^2 with respect to x?
8x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^2] = 4*2*x^1 = 8x.
derivative
1,877
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
1,878
statistics
easy
What is the mean (average) of 98, 92, 99, 75?
91
Mean = sum/count. Sum = 98+92+99+75=364. Count=4. Mean=364/4=91.0.
mean
1,879
geometry
easy
Find the circumference of a circle with radius 23. Use pi=3.14159, round to 2 decimals.
144.51
Circumference = 2*pi*r = 2*3.14159*23 = 144.51.
circle_circum
1,880
statistics
easy
What is the mean (average) of 78, 52, 63, 66, 36?
59
Mean = sum/count. Sum = 78+52+63+66+36=295. Count=5. Mean=295/5=59.0.
mean
1,881
algebra
easy
Solve for x: 15x - 37 = -232
-13
Add 37 to both sides: 15x = -232+37=-195. Then x = -195/15 = -13.
linear_equation
1,882
geometry
easy
Find the circumference of a circle with radius 32. Use pi=3.14159, round to 2 decimals.
201.06
Circumference = 2*pi*r = 2*3.14159*32 = 201.06.
circle_circum
1,883
percentages
easy
What is 81% of 966?
782.46
Calculate 81/100 * 966 = 0.81*966 = 782.46.
percentages
1,884
algebra
easy
Solve for x: 1x - 38 = -55
-17
Add 38 to both sides: 1x = -55+38=-17. Then x = -17/1 = -17.
linear_equation
1,885
arithmetic
easy
What is 511 + 695?
1206
Add the two numbers: 511 + 695 = 1206.
basic_operations
1,886
roots
easy
What is the square root of 100?
10
Find number that when squared gives 100. 10*10=100, so sqrt(100)=10.
square_roots
1,887
exponents
easy
What is 11^2?
121
11^2 means multiply 11 by itself 2 times: 11*11 = 121.
exponents
1,888
arithmetic
easy
What is 770 - 677?
93
Subtract: 770 - 677 = 93.
basic_operations
1,889
fractions
medium
What is 10/17 - 16/18? Give as simplified fraction.
-46/153
Common denominator 306. Numerator 180-272=-92. So -92/306 simplifies to -46/153.
fraction_operations
1,890
roots
easy
What is the square root of 1225?
35
Find number that when squared gives 1225. 35*35=1225, so sqrt(1225)=35.
square_roots
1,891
arithmetic
easy
What is 976 - 783?
193
Subtract: 976 - 783 = 193.
basic_operations
1,892
arithmetic
easy
What is 11802 divided by 51? Give answer to 2 decimal places.
231.41
Calculate 11802/ 51 = 231.4118, rounded to 2 decimals is 231.41.
division
1,893
word_problems
easy
If you have 63 apples and you buy 3 more apples, how many apples do you have in total?
66
Add initial 63 plus bought 3: 63+3=66.
addition_word
1,894
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
1,895
algebra
medium
Solve for x: x^2 - 8x + 15 = 0
x = 5, 3
Factor: (x - 5)(x - 3) = x^2 -(8)x + 15 = 0. So x = 5 or 3. Check sum = 8, product = 15.
quadratic
1,896
algebra
easy
Solve for x: 10x + 41 = 81
4
Subtract 41 from both sides: 10x = 81-41=40. Then divide by 10: x = 40/10 = 4.
linear_equation
1,897
statistics
easy
What is the mean (average) of 73, 87, 63?
74.33
Mean = sum/count. Sum = 73+87+63=223. Count=3. Mean=223/3=74.33.
mean
1,898
statistics
easy
What is the mean (average) of 72, 21, 65, 8?
41.5
Mean = sum/count. Sum = 72+21+65+8=166. Count=4. Mean=166/4=41.5.
mean
1,899
calculus
medium
What is the derivative of 8x^4 with respect to x?
32x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^4] = 8*4*x^3 = 32x^3.
derivative
1,900
calculus
medium
What is the derivative of 6x^6 with respect to x?
36x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^6] = 6*6*x^5 = 36x^5.
derivative