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
731,801
number_theory
medium
What is the GCD (greatest common divisor) of 51 and 34?
17
Find greatest number dividing both 51 and 34. Divisors common, greatest is 17.
gcd
731,802
arithmetic
easy
What is 27 * 90?
2430
Multiply: 27 * 90 = 2430.
basic_operations
731,803
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
731,804
algebra
medium
Solve for x: x^2 + 12x + 27 = 0
x = -3, -9
Factor: (x - -3)(x - -9) = x^2 -(-12)x + 27 = 0. So x = -3 or -9. Check sum = -12, product = 27.
quadratic
731,805
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
731,806
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
731,807
fractions
medium
What is 18/5 - 13/11? Give as simplified fraction.
133/55
Common denominator 55. Numerator 198-65=133. So 133/55 simplifies to 133/55.
fraction_operations
731,808
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
731,809
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
731,810
geometry
easy
Find the area of a rectangle with length 72 and width 3.
216
Area = length * width = 72*3 = 216.
rectangle_area
731,811
fractions
medium
What is 11/12 - 9/14? Give as simplified fraction.
23/84
Common denominator 168. Numerator 154-108=46. So 46/168 simplifies to 23/84.
fraction_operations
731,812
number_theory
medium
What is the LCM (least common multiple) of 70 and 70?
70
LCM = |70*70| / GCD(70,70). GCD=70, so LCM=4900/70=70.
lcm
731,813
exponents
easy
What is 9^3?
729
9^3 means multiply 9 by itself 3 times: 9*9*9 = 729.
exponents
731,814
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
731,815
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
731,816
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
731,817
algebra
medium
Solve for x: x^2 - 4x - 12 = 0
x = -2, 6
Factor: (x - -2)(x - 6) = x^2 -(4)x + -12 = 0. So x = -2 or 6. Check sum = 4, product = -12.
quadratic
731,818
statistics
easy
What is the mean (average) of 4, 40, 27?
23.67
Mean = sum/count. Sum = 4+40+27=71. Count=3. Mean=71/3=23.67.
mean
731,819
arithmetic
easy
What is 773 + 872?
1645
Add the two numbers: 773 + 872 = 1645.
basic_operations
731,820
arithmetic
easy
What is 629 + 413 * 48? Remember order of operations.
20453
Order of operations (PEMDAS): first 413*48=19824, then 629+19824=20453.
basic_operations
731,821
percentages
easy
What is 34% of 851?
289.34
Calculate 34/100 * 851 = 0.34*851 = 289.34.
percentages
731,822
arithmetic
easy
What is 562 - 30?
532
Subtract: 562 - 30 = 532.
basic_operations
731,823
calculus
medium
What is the derivative of 10x^3 with respect to x?
30x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^3] = 10*3*x^2 = 30x^2.
derivative
731,824
arithmetic
easy
What is 616 + 932 * 53? Remember order of operations.
50012
Order of operations (PEMDAS): first 932*53=49396, then 616+49396=50012.
basic_operations
731,825
fractions
medium
What is 5/2 * 19/8? Give as simplified fraction.
95/16
Multiply numerators: 5*19=95. Denominators: 2*8=16. Simplify by gcd 1 to get 95/16.
fraction_operations
731,826
calculus
medium
What is the derivative of 3x^3 with respect to x?
9x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^3] = 3*3*x^2 = 9x^2.
derivative
731,827
geometry
easy
Find the area of a rectangle with length 84 and width 17.
1428
Area = length * width = 84*17 = 1428.
rectangle_area
731,828
fractions
medium
What is 10/12 + 3/14? Give as simplified fraction.
22/21
Common denominator 12*14=168. 10/12=140/168, 3/14=36/168. Sum = 176/168 = 22/21 simplified.
fraction_operations
731,829
arithmetic
easy
What is 26 * 9?
234
Multiply: 26 * 9 = 234.
basic_operations
731,830
word_problems
easy
If you have 82 candies and you buy 37 more candies, how many candies do you have in total?
119
Add initial 82 plus bought 37: 82+37=119.
addition_word
731,831
geometry
easy
Find the area of a rectangle with length 31 and width 38.
1178
Area = length * width = 31*38 = 1178.
rectangle_area
731,832
percentages
easy
What is 35% of 973?
340.55
Calculate 35/100 * 973 = 0.35*973 = 340.55.
percentages
731,833
arithmetic
easy
What is 3 * 93?
279
Multiply: 3 * 93 = 279.
basic_operations
731,834
number_theory
medium
What is the LCM (least common multiple) of 19 and 9?
171
LCM = |19*9| / GCD(19,9). GCD=1, so LCM=171/1=171.
lcm
731,835
algebra
easy
Solve for x: 2x - 20 = -18
1
Add 20 to both sides: 2x = -18+20=2. Then x = 2/2 = 1.
linear_equation
731,836
algebra
medium
Solve for x: x^2 - 3x - 54 = 0
x = -6, 9
Factor: (x - -6)(x - 9) = x^2 -(3)x + -54 = 0. So x = -6 or 9. Check sum = 3, product = -54.
quadratic
731,837
algebra
easy
Solve for x: 19x + 8 = 369
19
Subtract 8 from both sides: 19x = 369-8=361. Then divide by 19: x = 361/19 = 19.
linear_equation
731,838
fractions
medium
What is 19/6 - 13/9? Give as simplified fraction.
31/18
Common denominator 54. Numerator 171-78=93. So 93/54 simplifies to 31/18.
fraction_operations
731,839
arithmetic
easy
What is 872 + 747 * 20? Remember order of operations.
15812
Order of operations (PEMDAS): first 747*20=14940, then 872+14940=15812.
basic_operations
731,840
arithmetic
easy
What is 36 * 56?
2016
Multiply: 36 * 56 = 2016.
basic_operations
731,841
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
731,842
arithmetic
easy
What is 39 + 62 * 20? Remember order of operations.
1279
Order of operations (PEMDAS): first 62*20=1240, then 39+1240=1279.
basic_operations
731,843
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
731,844
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
731,845
fractions
medium
What is 15/12 * 8/7? Give as simplified fraction.
10/7
Multiply numerators: 15*8=120. Denominators: 12*7=84. Simplify by gcd 12 to get 10/7.
fraction_operations
731,846
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
731,847
number_theory
medium
What is the GCD (greatest common divisor) of 92 and 50?
2
Find greatest number dividing both 92 and 50. Divisors common, greatest is 2.
gcd
731,848
algebra
easy
Solve for x: 17x - 37 = 150
11
Add 37 to both sides: 17x = 150+37=187. Then x = 187/17 = 11.
linear_equation
731,849
statistics
easy
What is the mean (average) of 52, 42, 22?
38.67
Mean = sum/count. Sum = 52+42+22=116. Count=3. Mean=116/3=38.67.
mean
731,850
number_theory
medium
What is the LCM (least common multiple) of 62 and 67?
4154
LCM = |62*67| / GCD(62,67). GCD=1, so LCM=4154/1=4154.
lcm
731,851
percentages
easy
What is 12% of 986?
118.32
Calculate 12/100 * 986 = 0.12*986 = 118.32.
percentages
731,852
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
731,853
word_problems
easy
If you have 11 dollars and you buy 35 more dollars, how many dollars do you have in total?
46
Add initial 11 plus bought 35: 11+35=46.
addition_word
731,854
statistics
easy
What is the mean (average) of 52, 30, 60, 2?
36
Mean = sum/count. Sum = 52+30+60+2=144. Count=4. Mean=144/4=36.0.
mean
731,855
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
731,856
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
731,857
arithmetic
easy
What is 6 + 129?
135
Add the two numbers: 6 + 129 = 135.
basic_operations
731,858
statistics
easy
What is the mean (average) of 19, 68, 36, 91, 21?
47
Mean = sum/count. Sum = 19+68+36+91+21=235. Count=5. Mean=235/5=47.0.
mean
731,859
calculus
medium
What is the derivative of 6x^3 with respect to x?
18x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^3] = 6*3*x^2 = 18x^2.
derivative
731,860
algebra
easy
Solve for x: 5x - 32 = -17
3
Add 32 to both sides: 5x = -17+32=15. Then x = 15/5 = 3.
linear_equation
731,861
algebra
medium
Solve for x: x^2 - 2x - 35 = 0
x = -5, 7
Factor: (x - -5)(x - 7) = x^2 -(2)x + -35 = 0. So x = -5 or 7. Check sum = 2, product = -35.
quadratic
731,862
algebra
medium
Solve for x: x^2 - 1x - 2 = 0
x = 2, -1
Factor: (x - 2)(x - -1) = x^2 -(1)x + -2 = 0. So x = 2 or -1. Check sum = 1, product = -2.
quadratic
731,863
arithmetic
easy
What is 14 + 33 * 42? Remember order of operations.
1400
Order of operations (PEMDAS): first 33*42=1386, then 14+1386=1400.
basic_operations
731,864
arithmetic
easy
What is 946 - 815?
131
Subtract: 946 - 815 = 131.
basic_operations
731,865
algebra
medium
Solve for x: x^2 + 1x - 12 = 0
x = -4, 3
Factor: (x - -4)(x - 3) = x^2 -(-1)x + -12 = 0. So x = -4 or 3. Check sum = -1, product = -12.
quadratic
731,866
algebra
medium
Solve for x: x^2 - 3x - 40 = 0
x = -5, 8
Factor: (x - -5)(x - 8) = x^2 -(3)x + -40 = 0. So x = -5 or 8. Check sum = 3, product = -40.
quadratic
731,867
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
731,868
statistics
easy
What is the mean (average) of 53, 93, 67, 73, 3?
57.8
Mean = sum/count. Sum = 53+93+67+73+3=289. Count=5. Mean=289/5=57.8.
mean
731,869
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
731,870
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
731,871
arithmetic
easy
What is 13 * 22?
286
Multiply: 13 * 22 = 286.
basic_operations
731,872
roots
easy
What is the square root of 625?
25
Find number that when squared gives 625. 25*25=625, so sqrt(625)=25.
square_roots
731,873
arithmetic
easy
What is 38688 / 93?
416
Divide: 38688 ÷ 93 = 416 because 93*416=38688.
division
731,874
arithmetic
easy
What is 2040 / 30?
68
Divide: 2040 ÷ 30 = 68 because 30*68=2040.
division
731,875
percentages
easy
What is 41% of 795?
325.95
Calculate 41/100 * 795 = 0.41*795 = 325.95.
percentages
731,876
algebra
medium
Solve for x: x^2 + 14x + 49 = 0
x = -7
Factor as (x - -7)^2 = 0, so root is -7 (double root). Sum of roots = -14, product = 49.
quadratic
731,877
word_problems
easy
If you have 60 apples and you buy 49 more apples, how many apples do you have in total?
109
Add initial 60 plus bought 49: 60+49=109.
addition_word
731,878
percentages
easy
What is 36% of 668?
240.48
Calculate 36/100 * 668 = 0.36*668 = 240.48.
percentages
731,879
calculus
medium
What is the derivative of 4x^4 with respect to x?
16x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^4] = 4*4*x^3 = 16x^3.
derivative
731,880
arithmetic
easy
What is 892 - 590?
302
Subtract: 892 - 590 = 302.
basic_operations
731,881
arithmetic
easy
What is 553 - 178?
375
Subtract: 553 - 178 = 375.
basic_operations
731,882
algebra
easy
Solve for x: 4x - 40 = -72
-8
Add 40 to both sides: 4x = -72+40=-32. Then x = -32/4 = -8.
linear_equation
731,883
algebra
medium
Solve for x: x^2 - 16x + 60 = 0
x = 10, 6
Factor: (x - 10)(x - 6) = x^2 -(16)x + 60 = 0. So x = 10 or 6. Check sum = 16, product = 60.
quadratic
731,884
algebra
easy
Solve for x: 7x + 22 = 71
7
Subtract 22 from both sides: 7x = 71-22=49. Then divide by 7: x = 49/7 = 7.
linear_equation
731,885
algebra
easy
Solve for x: 2x - 34 = -70
-18
Add 34 to both sides: 2x = -70+34=-36. Then x = -36/2 = -18.
linear_equation
731,886
arithmetic
easy
What is 89 * 75?
6675
Multiply: 89 * 75 = 6675.
basic_operations
731,887
fractions
medium
What is 16/9 - 16/18? Give as simplified fraction.
8/9
Common denominator 162. Numerator 288-144=144. So 144/162 simplifies to 8/9.
fraction_operations
731,888
arithmetic
easy
What is 537 + 51?
588
Add the two numbers: 537 + 51 = 588.
basic_operations
731,889
algebra
easy
Solve for x: 6x - 28 = -136
-18
Add 28 to both sides: 6x = -136+28=-108. Then x = -108/6 = -18.
linear_equation
731,890
algebra
medium
Solve for x: x^2 - 8x = 0
x = 0, 8
Factor: (x - 0)(x - 8) = x^2 -(8)x + 0 = 0. So x = 0 or 8. Check sum = 8, product = 0.
quadratic
731,891
algebra
easy
Solve for x: 18x - 24 = -258
-13
Add 24 to both sides: 18x = -258+24=-234. Then x = -234/18 = -13.
linear_equation
731,892
arithmetic
easy
What is 69 * 67?
4623
Multiply: 69 * 67 = 4623.
basic_operations
731,893
exponents
easy
What is 4^4?
256
4^4 means multiply 4 by itself 4 times: 4*4*4*4 = 256.
exponents
731,894
arithmetic
easy
What is 75 * 34?
2550
Multiply: 75 * 34 = 2550.
basic_operations
731,895
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
731,896
arithmetic
easy
What is 968 + 386 * 11? Remember order of operations.
5214
Order of operations (PEMDAS): first 386*11=4246, then 968+4246=5214.
basic_operations
731,897
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
731,898
fractions
medium
What is 8/15 * 2/3? Give as simplified fraction.
16/45
Multiply numerators: 8*2=16. Denominators: 15*3=45. Simplify by gcd 1 to get 16/45.
fraction_operations
731,899
algebra
easy
Solve for x: 10x + 18 = -162
-18
Subtract 18 from both sides: 10x = -162-18=-180. Then divide by 10: x = -180/10 = -18.
linear_equation
731,900
number_theory
medium
What is the LCM (least common multiple) of 20 and 69?
1380
LCM = |20*69| / GCD(20,69). GCD=1, so LCM=1380/1=1380.
lcm