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
732,701
algebra
easy
Solve for x: 19x + 11 = 68
3
Subtract 11 from both sides: 19x = 68-11=57. Then divide by 19: x = 57/19 = 3.
linear_equation
732,702
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
732,703
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
732,704
fractions
medium
What is 13/11 - 18/16? Give as simplified fraction.
5/88
Common denominator 176. Numerator 208-198=10. So 10/176 simplifies to 5/88.
fraction_operations
732,705
number_theory
medium
What is the GCD (greatest common divisor) of 88 and 77?
11
Find greatest number dividing both 88 and 77. Divisors common, greatest is 11.
gcd
732,706
calculus
medium
What is the derivative of 2x^2 with respect to x?
4x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^2] = 2*2*x^1 = 4x.
derivative
732,707
algebra
easy
Solve for x: 20x - 6 = 254
13
Add 6 to both sides: 20x = 254+6=260. Then x = 260/20 = 13.
linear_equation
732,708
algebra
easy
Solve for x: 14x + 33 = -191
-16
Subtract 33 from both sides: 14x = -191-33=-224. Then divide by 14: x = -224/14 = -16.
linear_equation
732,709
word_problems
easy
If you have 22 candies and you buy 47 more candies, how many candies do you have in total?
69
Add initial 22 plus bought 47: 22+47=69.
addition_word
732,710
arithmetic
easy
What is 45687 / 97?
471
Divide: 45687 ÷ 97 = 471 because 97*471=45687.
division
732,711
calculus
medium
What is the derivative of 7x^6 with respect to x?
42x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^6] = 7*6*x^5 = 42x^5.
derivative
732,712
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
732,713
arithmetic
easy
What is 71 * 74?
5254
Multiply: 71 * 74 = 5254.
basic_operations
732,714
fractions
medium
What is 9/14 * 20/7? Give as simplified fraction.
90/49
Multiply numerators: 9*20=180. Denominators: 14*7=98. Simplify by gcd 2 to get 90/49.
fraction_operations
732,715
exponents
easy
What is 2^4?
16
2^4 means multiply 2 by itself 4 times: 2*2*2*2 = 16.
exponents
732,716
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
732,717
arithmetic
easy
What is 47 * 1?
47
Multiply: 47 * 1 = 47.
basic_operations
732,718
arithmetic
easy
What is 986 + 243 * 3? Remember order of operations.
1715
Order of operations (PEMDAS): first 243*3=729, then 986+729=1715.
basic_operations
732,719
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
732,720
number_theory
medium
What is the GCD (greatest common divisor) of 45 and 40?
5
Find greatest number dividing both 45 and 40. Divisors common, greatest is 5.
gcd
732,721
arithmetic
easy
What is 228 / 3?
76
Divide: 228 ÷ 3 = 76 because 3*76=228.
division
732,722
number_theory
medium
What is the GCD (greatest common divisor) of 42 and 6?
6
Find greatest number dividing both 42 and 6. Divisors common, greatest is 6.
gcd
732,723
percentages
easy
What is 91% of 186?
169.26
Calculate 91/100 * 186 = 0.91*186 = 169.26.
percentages
732,724
geometry
easy
Find the area of a rectangle with length 13 and width 64.
832
Area = length * width = 13*64 = 832.
rectangle_area
732,725
percentages
easy
What is 62% of 917?
568.54
Calculate 62/100 * 917 = 0.62*917 = 568.54.
percentages
732,726
roots
easy
What is the square root of 324?
18
Find number that when squared gives 324. 18*18=324, so sqrt(324)=18.
square_roots
732,727
calculus
medium
What is the derivative of 3x^2 with respect to x?
6x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^2] = 3*2*x^1 = 6x.
derivative
732,728
number_theory
medium
What is the GCD (greatest common divisor) of 8 and 98?
2
Find greatest number dividing both 8 and 98. Divisors common, greatest is 2.
gcd
732,729
arithmetic
easy
What is 23441 divided by 73? Give answer to 2 decimal places.
321.11
Calculate 23441/ 73 = 321.1096, rounded to 2 decimals is 321.11.
division
732,730
roots
easy
What is the square root of 1764?
42
Find number that when squared gives 1764. 42*42=1764, so sqrt(1764)=42.
square_roots
732,731
statistics
easy
What is the mean (average) of 4, 67, 1, 66?
34.5
Mean = sum/count. Sum = 4+67+1+66=138. Count=4. Mean=138/4=34.5.
mean
732,732
fractions
medium
What is 13/7 * 14/20? Give as simplified fraction.
13/10
Multiply numerators: 13*14=182. Denominators: 7*20=140. Simplify by gcd 14 to get 13/10.
fraction_operations
732,733
arithmetic
easy
What is 80 + 12 * 4? Remember order of operations.
128
Order of operations (PEMDAS): first 12*4=48, then 80+48=128.
basic_operations
732,734
roots
easy
What is the square root of 256?
16
Find number that when squared gives 256. 16*16=256, so sqrt(256)=16.
square_roots
732,735
algebra
medium
Solve for x: x^2 - 16 = 0
x = -4, 4
Factor: (x - -4)(x - 4) = x^2 -(0)x + -16 = 0. So x = -4 or 4. Check sum = 0, product = -16.
quadratic
732,736
number_theory
medium
What is the GCD (greatest common divisor) of 91 and 65?
13
Find greatest number dividing both 91 and 65. Divisors common, greatest is 13.
gcd
732,737
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
732,738
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
732,739
arithmetic
easy
What is 2552 / 22?
116
Divide: 2552 ÷ 22 = 116 because 22*116=2552.
division
732,740
algebra
medium
Solve for x: x^2 - 7x + 10 = 0
x = 2, 5
Factor: (x - 2)(x - 5) = x^2 -(7)x + 10 = 0. So x = 2 or 5. Check sum = 7, product = 10.
quadratic
732,741
statistics
easy
What is the mean (average) of 41, 81, 83, 1, 73?
55.8
Mean = sum/count. Sum = 41+81+83+1+73=279. Count=5. Mean=279/5=55.8.
mean
732,742
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
732,743
exponents
easy
What is 3^3?
27
3^3 means multiply 3 by itself 3 times: 3*3*3 = 27.
exponents
732,744
roots
easy
What is the square root of 144?
12
Find number that when squared gives 144. 12*12=144, so sqrt(144)=12.
square_roots
732,745
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
732,746
arithmetic
easy
What is 57 + 50 * 5? Remember order of operations.
307
Order of operations (PEMDAS): first 50*5=250, then 57+250=307.
basic_operations
732,747
arithmetic
easy
What is 12122 / 29?
418
Divide: 12122 ÷ 29 = 418 because 29*418=12122.
division
732,748
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
732,749
arithmetic
easy
What is 29072 / 92?
316
Divide: 29072 ÷ 92 = 316 because 92*316=29072.
division
732,750
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
732,751
roots
easy
What is the square root of 441?
21
Find number that when squared gives 441. 21*21=441, so sqrt(441)=21.
square_roots
732,752
fractions
medium
What is 1/6 - 4/17? Give as simplified fraction.
-7/102
Common denominator 102. Numerator 17-24=-7. So -7/102 simplifies to -7/102.
fraction_operations
732,753
statistics
easy
What is the mean (average) of 44, 89, 69, 44?
61.5
Mean = sum/count. Sum = 44+89+69+44=246. Count=4. Mean=246/4=61.5.
mean
732,754
word_problems
easy
If you have 60 books and you buy 15 more books, how many books do you have in total?
75
Add initial 60 plus bought 15: 60+15=75.
addition_word
732,755
calculus
medium
What is the derivative of 5x^5 with respect to x?
25x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^5] = 5*5*x^4 = 25x^4.
derivative
732,756
calculus
medium
What is the derivative of 10x^7 with respect to x?
70x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^7] = 10*7*x^6 = 70x^6.
derivative
732,757
arithmetic
easy
What is 661 + 533 * 90? Remember order of operations.
48631
Order of operations (PEMDAS): first 533*90=47970, then 661+47970=48631.
basic_operations
732,758
arithmetic
easy
What is 798 - 795?
3
Subtract: 798 - 795 = 3.
basic_operations
732,759
arithmetic
easy
What is 884 + 106?
990
Add the two numbers: 884 + 106 = 990.
basic_operations
732,760
arithmetic
easy
What is 11 * 36?
396
Multiply: 11 * 36 = 396.
basic_operations
732,761
geometry
easy
Find the area of a rectangle with length 6 and width 9.
54
Area = length * width = 6*9 = 54.
rectangle_area
732,762
geometry
easy
Find the area of a circle with radius 16. Use pi=3.14159, round to 2 decimals.
804.25
Area = pi*r^2 = 3.14159*16^2 = 3.14159*256 = 804.25.
circle_area
732,763
fractions
medium
What is 1/18 + 15/13? Give as simplified fraction.
283/234
Common denominator 18*13=234. 1/18=13/234, 15/13=270/234. Sum = 283/234 = 283/234 simplified.
fraction_operations
732,764
word_problems
easy
If you have 16 books and you buy 14 more books, how many books do you have in total?
30
Add initial 16 plus bought 14: 16+14=30.
addition_word
732,765
calculus
medium
What is the derivative of 5x^8 with respect to x?
40x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^8] = 5*8*x^7 = 40x^7.
derivative
732,766
percentages
easy
What is 43% of 591?
254.13
Calculate 43/100 * 591 = 0.43*591 = 254.13.
percentages
732,767
percentages
easy
What is 88% of 431?
379.28
Calculate 88/100 * 431 = 0.88*431 = 379.28.
percentages
732,768
arithmetic
easy
What is 12656 / 28?
452
Divide: 12656 ÷ 28 = 452 because 28*452=12656.
division
732,769
word_problems
easy
If you have 39 candies and you buy 16 more candies, how many candies do you have in total?
55
Add initial 39 plus bought 16: 39+16=55.
addition_word
732,770
arithmetic
easy
What is 552 + 388 * 96? Remember order of operations.
37800
Order of operations (PEMDAS): first 388*96=37248, then 552+37248=37800.
basic_operations
732,771
geometry
easy
Find the area of a rectangle with length 45 and width 71.
3195
Area = length * width = 45*71 = 3195.
rectangle_area
732,772
arithmetic
easy
What is 598 + 339?
937
Add the two numbers: 598 + 339 = 937.
basic_operations
732,773
geometry
easy
Find the area of a triangle with base 30 and height 11.
165
Area = 0.5*base*height = 0.5*30*11 = 165.
triangle_area
732,774
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
732,775
percentages
easy
What is 55% of 318?
174.9
Calculate 55/100 * 318 = 0.55*318 = 174.9.
percentages
732,776
percentages
easy
What is 59% of 859?
506.81
Calculate 59/100 * 859 = 0.59*859 = 506.81.
percentages
732,777
geometry
easy
Find the area of a circle with radius 14. Use pi=3.14159, round to 2 decimals.
615.75
Area = pi*r^2 = 3.14159*14^2 = 3.14159*196 = 615.75.
circle_area
732,778
arithmetic
easy
What is 29 * 28?
812
Multiply: 29 * 28 = 812.
basic_operations
732,779
arithmetic
easy
What is 29 * 55?
1595
Multiply: 29 * 55 = 1595.
basic_operations
732,780
geometry
easy
Find the area of a triangle with base 68 and height 22.
748
Area = 0.5*base*height = 0.5*68*22 = 748.
triangle_area
732,781
geometry
easy
Find the area of a rectangle with length 2 and width 90.
180
Area = length * width = 2*90 = 180.
rectangle_area
732,782
exponents
easy
What is 4^5?
1024
4^5 means multiply 4 by itself 5 times: 4*4*4*4*4 = 1024.
exponents
732,783
arithmetic
easy
What is 824 - 17?
807
Subtract: 824 - 17 = 807.
basic_operations
732,784
arithmetic
easy
What is 27 + 35 * 90? Remember order of operations.
3177
Order of operations (PEMDAS): first 35*90=3150, then 27+3150=3177.
basic_operations
732,785
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
732,786
roots
easy
What is the square root of 9?
3
Find number that when squared gives 9. 3*3=9, so sqrt(9)=3.
square_roots
732,787
fractions
medium
What is 10/16 - 14/3? Give as simplified fraction.
-97/24
Common denominator 48. Numerator 30-224=-194. So -194/48 simplifies to -97/24.
fraction_operations
732,788
algebra
medium
Solve for x: x^2 - 3x - 40 = 0
x = 8, -5
Factor: (x - 8)(x - -5) = x^2 -(3)x + -40 = 0. So x = 8 or -5. Check sum = 3, product = -40.
quadratic
732,789
geometry
easy
Find the perimeter of a rectangle with length 6 and width 65.
142
Perimeter = 2*(length+width) = 2*(6+65) = 2*71 = 142.
rectangle_perim
732,790
fractions
medium
What is 5/14 - 19/15? Give as simplified fraction.
-191/210
Common denominator 210. Numerator 75-266=-191. So -191/210 simplifies to -191/210.
fraction_operations
732,791
fractions
medium
What is 15/8 - 16/11? Give as simplified fraction.
37/88
Common denominator 88. Numerator 165-128=37. So 37/88 simplifies to 37/88.
fraction_operations
732,792
arithmetic
easy
What is 5688 / 79?
72
Divide: 5688 ÷ 79 = 72 because 79*72=5688.
division
732,793
algebra
easy
Solve for x: 8x + 16 = 24
1
Subtract 16 from both sides: 8x = 24-16=8. Then divide by 8: x = 8/8 = 1.
linear_equation
732,794
arithmetic
easy
What is 78 * 10?
780
Multiply: 78 * 10 = 780.
basic_operations
732,795
fractions
medium
What is 15/3 * 7/20? Give as simplified fraction.
7/4
Multiply numerators: 15*7=105. Denominators: 3*20=60. Simplify by gcd 15 to get 7/4.
fraction_operations
732,796
number_theory
medium
What is the LCM (least common multiple) of 59 and 73?
4307
LCM = |59*73| / GCD(59,73). GCD=1, so LCM=4307/1=4307.
lcm
732,797
arithmetic
easy
What is 6630 / 39?
170
Divide: 6630 ÷ 39 = 170 because 39*170=6630.
division
732,798
word_problems
easy
If you have 91 candies and you buy 48 more candies, how many candies do you have in total?
139
Add initial 91 plus bought 48: 91+48=139.
addition_word
732,799
exponents
easy
What is 11^4?
14641
11^4 means multiply 11 by itself 4 times: 11*11*11*11 = 14641.
exponents
732,800
arithmetic
easy
What is 6 * 40?
240
Multiply: 6 * 40 = 240.
basic_operations