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
730,701
arithmetic
easy
What is 81 * 48?
3888
Multiply: 81 * 48 = 3888.
basic_operations
730,702
arithmetic
easy
What is 333 + 243 * 74? Remember order of operations.
18315
Order of operations (PEMDAS): first 243*74=17982, then 333+17982=18315.
basic_operations
730,703
statistics
easy
What is the mean (average) of 84, 88, 66, 89?
81.75
Mean = sum/count. Sum = 84+88+66+89=327. Count=4. Mean=327/4=81.75.
mean
730,704
arithmetic
easy
What is 268 - 110?
158
Subtract: 268 - 110 = 158.
basic_operations
730,705
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
730,706
geometry
easy
Find the area of a rectangle with length 94 and width 76.
7144
Area = length * width = 94*76 = 7144.
rectangle_area
730,707
fractions
medium
What is 11/13 * 10/19? Give as simplified fraction.
110/247
Multiply numerators: 11*10=110. Denominators: 13*19=247. Simplify by gcd 1 to get 110/247.
fraction_operations
730,708
arithmetic
easy
What is 994 - 222?
772
Subtract: 994 - 222 = 772.
basic_operations
730,709
algebra
medium
Solve for x: x^2 + 2x = 0
x = 0, -2
Factor: (x - 0)(x - -2) = x^2 -(-2)x + 0 = 0. So x = 0 or -2. Check sum = -2, product = 0.
quadratic
730,710
word_problems
easy
If you have 51 dollars and you buy 14 more dollars, how many dollars do you have in total?
65
Add initial 51 plus bought 14: 51+14=65.
addition_word
730,711
statistics
easy
What is the mean (average) of 85, 34, 37, 16?
43
Mean = sum/count. Sum = 85+34+37+16=172. Count=4. Mean=172/4=43.0.
mean
730,712
percentages
easy
What is 10% of 223?
22.3
Calculate 10/100 * 223 = 0.1*223 = 22.3.
percentages
730,713
arithmetic
easy
What is 52 * 33?
1716
Multiply: 52 * 33 = 1716.
basic_operations
730,714
algebra
medium
Solve for x: x^2 + 16x + 63 = 0
x = -9, -7
Factor: (x - -9)(x - -7) = x^2 -(-16)x + 63 = 0. So x = -9 or -7. Check sum = -16, product = 63.
quadratic
730,715
arithmetic
easy
What is 13590 / 30?
453
Divide: 13590 ÷ 30 = 453 because 30*453=13590.
division
730,716
word_problems
easy
If you have 88 apples and you buy 42 more apples, how many apples do you have in total?
130
Add initial 88 plus bought 42: 88+42=130.
addition_word
730,717
statistics
easy
What is the mean (average) of 88, 89, 89, 92?
89.5
Mean = sum/count. Sum = 88+89+89+92=358. Count=4. Mean=358/4=89.5.
mean
730,718
statistics
easy
What is the mean (average) of 96, 25, 37, 10, 40?
41.6
Mean = sum/count. Sum = 96+25+37+10+40=208. Count=5. Mean=208/5=41.6.
mean
730,719
arithmetic
easy
What is 630 + 541 * 27? Remember order of operations.
15237
Order of operations (PEMDAS): first 541*27=14607, then 630+14607=15237.
basic_operations
730,720
roots
easy
What is the square root of 1?
1
Find number that when squared gives 1. 1*1=1, so sqrt(1)=1.
square_roots
730,721
arithmetic
easy
What is 826 - 285?
541
Subtract: 826 - 285 = 541.
basic_operations
730,722
statistics
easy
What is the mean (average) of 76, 34, 53?
54.33
Mean = sum/count. Sum = 76+34+53=163. Count=3. Mean=163/3=54.33.
mean
730,723
arithmetic
easy
What is 23 + 95 * 75? Remember order of operations.
7148
Order of operations (PEMDAS): first 95*75=7125, then 23+7125=7148.
basic_operations
730,724
algebra
easy
Solve for x: 1x + 41 = 54
13
Subtract 41 from both sides: 1x = 54-41=13. Then divide by 1: x = 13/1 = 13.
linear_equation
730,725
word_problems
easy
If you have 63 books and you buy 18 more books, how many books do you have in total?
81
Add initial 63 plus bought 18: 63+18=81.
addition_word
730,726
arithmetic
easy
What is 76 * 31?
2356
Multiply: 76 * 31 = 2356.
basic_operations
730,727
geometry
easy
Find the area of a triangle with base 93 and height 81.
3766.5
Area = 0.5*base*height = 0.5*93*81 = 3766.5.
triangle_area
730,728
fractions
medium
What is 13/10 * 5/16? Give as simplified fraction.
13/32
Multiply numerators: 13*5=65. Denominators: 10*16=160. Simplify by gcd 5 to get 13/32.
fraction_operations
730,729
number_theory
medium
What is the GCD (greatest common divisor) of 85 and 39?
1
Find greatest number dividing both 85 and 39. Divisors common, greatest is 1.
gcd
730,730
arithmetic
easy
What is 46 * 12?
552
Multiply: 46 * 12 = 552.
basic_operations
730,731
arithmetic
easy
What is 34799 / 89?
391
Divide: 34799 ÷ 89 = 391 because 89*391=34799.
division
730,732
geometry
easy
Find the area of a rectangle with length 83 and width 39.
3237
Area = length * width = 83*39 = 3237.
rectangle_area
730,733
algebra
easy
Solve for x: 8x + 6 = -98
-13
Subtract 6 from both sides: 8x = -98-6=-104. Then divide by 8: x = -104/8 = -13.
linear_equation
730,734
calculus
medium
What is the derivative of 1x^6 with respect to x?
6x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^6] = 1*6*x^5 = 6x^5.
derivative
730,735
arithmetic
easy
What is 745 + 301?
1046
Add the two numbers: 745 + 301 = 1046.
basic_operations
730,736
arithmetic
easy
What is 5863 / 13?
451
Divide: 5863 ÷ 13 = 451 because 13*451=5863.
division
730,737
arithmetic
easy
What is 764 + 712?
1476
Add the two numbers: 764 + 712 = 1476.
basic_operations
730,738
algebra
easy
Solve for x: 15x + 25 = -185
-14
Subtract 25 from both sides: 15x = -185-25=-210. Then divide by 15: x = -210/15 = -14.
linear_equation
730,739
calculus
medium
What is the derivative of 2x^4 with respect to x?
8x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^4] = 2*4*x^3 = 8x^3.
derivative
730,740
geometry
easy
Find the perimeter of a rectangle with length 25 and width 48.
146
Perimeter = 2*(length+width) = 2*(25+48) = 2*73 = 146.
rectangle_perim
730,741
roots
easy
What is the square root of 900?
30
Find number that when squared gives 900. 30*30=900, so sqrt(900)=30.
square_roots
730,742
word_problems
easy
If you have 23 apples and you buy 49 more apples, how many apples do you have in total?
72
Add initial 23 plus bought 49: 23+49=72.
addition_word
730,743
percentages
easy
What is 50% of 881?
440.5
Calculate 50/100 * 881 = 0.5*881 = 440.5.
percentages
730,744
algebra
medium
Solve for x: x^2 - 1 = 0
x = 1, -1
Factor: (x - 1)(x - -1) = x^2 -(0)x + -1 = 0. So x = 1 or -1. Check sum = 0, product = -1.
quadratic
730,745
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
730,746
arithmetic
easy
What is 79 * 87?
6873
Multiply: 79 * 87 = 6873.
basic_operations
730,747
arithmetic
easy
What is 16485 divided by 90? Give answer to 2 decimal places.
183.17
Calculate 16485/ 90 = 183.1667, rounded to 2 decimals is 183.17.
division
730,748
word_problems
easy
If you have 65 dollars and you buy 10 more dollars, how many dollars do you have in total?
75
Add initial 65 plus bought 10: 65+10=75.
addition_word
730,749
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
730,750
algebra
easy
Solve for x: 7x + 43 = 78
5
Subtract 43 from both sides: 7x = 78-43=35. Then divide by 7: x = 35/7 = 5.
linear_equation
730,751
arithmetic
easy
What is 701 - 373?
328
Subtract: 701 - 373 = 328.
basic_operations
730,752
arithmetic
easy
What is 867 - 801?
66
Subtract: 867 - 801 = 66.
basic_operations
730,753
geometry
easy
Find the area of a circle with radius 15. Use pi=3.14159, round to 2 decimals.
706.86
Area = pi*r^2 = 3.14159*15^2 = 3.14159*225 = 706.86.
circle_area
730,754
arithmetic
easy
What is 626 + 458 * 53? Remember order of operations.
24900
Order of operations (PEMDAS): first 458*53=24274, then 626+24274=24900.
basic_operations
730,755
geometry
easy
Find the area of a triangle with base 70 and height 13.
455
Area = 0.5*base*height = 0.5*70*13 = 455.
triangle_area
730,756
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
730,757
number_theory
medium
What is the LCM (least common multiple) of 30 and 79?
2370
LCM = |30*79| / GCD(30,79). GCD=1, so LCM=2370/1=2370.
lcm
730,758
number_theory
medium
What is the LCM (least common multiple) of 100 and 99?
9900
LCM = |100*99| / GCD(100,99). GCD=1, so LCM=9900/1=9900.
lcm
730,759
calculus
medium
What is the derivative of 4x^3 with respect to x?
12x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^3] = 4*3*x^2 = 12x^2.
derivative
730,760
fractions
medium
What is 16/13 + 13/19? Give as simplified fraction.
473/247
Common denominator 13*19=247. 16/13=304/247, 13/19=169/247. Sum = 473/247 = 473/247 simplified.
fraction_operations
730,761
geometry
easy
Find the area of a circle with radius 40. Use pi=3.14159, round to 2 decimals.
5026.55
Area = pi*r^2 = 3.14159*40^2 = 3.14159*1600 = 5026.55.
circle_area
730,762
algebra
easy
Solve for x: 20x - 32 = -212
-9
Add 32 to both sides: 20x = -212+32=-180. Then x = -180/20 = -9.
linear_equation
730,763
exponents
easy
What is 6^3?
216
6^3 means multiply 6 by itself 3 times: 6*6*6 = 216.
exponents
730,764
exponents
easy
What is 7^2?
49
7^2 means multiply 7 by itself 2 times: 7*7 = 49.
exponents
730,765
fractions
medium
What is 7/9 + 9/10? Give as simplified fraction.
151/90
Common denominator 9*10=90. 7/9=70/90, 9/10=81/90. Sum = 151/90 = 151/90 simplified.
fraction_operations
730,766
arithmetic
easy
What is 83 * 23?
1909
Multiply: 83 * 23 = 1909.
basic_operations
730,767
arithmetic
easy
What is 1970 / 5?
394
Divide: 1970 ÷ 5 = 394 because 5*394=1970.
division
730,768
arithmetic
easy
What is 454 - 112?
342
Subtract: 454 - 112 = 342.
basic_operations
730,769
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
730,770
fractions
medium
What is 5/18 - 5/7? Give as simplified fraction.
-55/126
Common denominator 126. Numerator 35-90=-55. So -55/126 simplifies to -55/126.
fraction_operations
730,771
percentages
easy
What is 36% of 800?
288
Calculate 36/100 * 800 = 0.36*800 = 288.
percentages
730,772
roots
easy
What is the square root of 225?
15
Find number that when squared gives 225. 15*15=225, so sqrt(225)=15.
square_roots
730,773
number_theory
medium
What is the GCD (greatest common divisor) of 3 and 62?
1
Find greatest number dividing both 3 and 62. Divisors common, greatest is 1.
gcd
730,774
arithmetic
easy
What is 766 + 257?
1023
Add the two numbers: 766 + 257 = 1023.
basic_operations
730,775
arithmetic
easy
What is 437 + 530?
967
Add the two numbers: 437 + 530 = 967.
basic_operations
730,776
arithmetic
easy
What is 286 - 103?
183
Subtract: 286 - 103 = 183.
basic_operations
730,777
algebra
medium
Solve for x: x^2 + 6x + 8 = 0
x = -2, -4
Factor: (x - -2)(x - -4) = x^2 -(-6)x + 8 = 0. So x = -2 or -4. Check sum = -6, product = 8.
quadratic
730,778
geometry
easy
Find the area of a circle with radius 1. Use pi=3.14159, round to 2 decimals.
3.14
Area = pi*r^2 = 3.14159*1^2 = 3.14159*1 = 3.14.
circle_area
730,779
roots
easy
What is the square root of 2500?
50
Find number that when squared gives 2500. 50*50=2500, so sqrt(2500)=50.
square_roots
730,780
calculus
medium
What is the derivative of 10x^8 with respect to x?
80x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^8] = 10*8*x^7 = 80x^7.
derivative
730,781
fractions
medium
What is 2/13 - 9/4? Give as simplified fraction.
-109/52
Common denominator 52. Numerator 8-117=-109. So -109/52 simplifies to -109/52.
fraction_operations
730,782
arithmetic
easy
What is 955 - 878?
77
Subtract: 955 - 878 = 77.
basic_operations
730,783
statistics
easy
What is the mean (average) of 91, 19, 82?
64
Mean = sum/count. Sum = 91+19+82=192. Count=3. Mean=192/3=64.0.
mean
730,784
calculus
medium
What is the derivative of 9x^8 with respect to x?
72x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^8] = 9*8*x^7 = 72x^7.
derivative
730,785
calculus
medium
What is the derivative of 9x^8 with respect to x?
72x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^8] = 9*8*x^7 = 72x^7.
derivative
730,786
percentages
easy
What is 14% of 227?
31.78
Calculate 14/100 * 227 = 0.14*227 = 31.78.
percentages
730,787
statistics
easy
What is the mean (average) of 65, 95, 98, 77?
83.75
Mean = sum/count. Sum = 65+95+98+77=335. Count=4. Mean=335/4=83.75.
mean
730,788
arithmetic
easy
What is 836 + 713 * 4? Remember order of operations.
3688
Order of operations (PEMDAS): first 713*4=2852, then 836+2852=3688.
basic_operations
730,789
arithmetic
easy
What is 647 - 572?
75
Subtract: 647 - 572 = 75.
basic_operations
730,790
statistics
easy
What is the mean (average) of 63, 82, 34, 86, 74?
67.8
Mean = sum/count. Sum = 63+82+34+86+74=339. Count=5. Mean=339/5=67.8.
mean
730,791
exponents
easy
What is 10^4?
10000
10^4 means multiply 10 by itself 4 times: 10*10*10*10 = 10000.
exponents
730,792
statistics
easy
What is the mean (average) of 19, 58, 36?
37.67
Mean = sum/count. Sum = 19+58+36=113. Count=3. Mean=113/3=37.67.
mean
730,793
number_theory
medium
What is the GCD (greatest common divisor) of 3 and 13?
1
Find greatest number dividing both 3 and 13. Divisors common, greatest is 1.
gcd
730,794
fractions
medium
What is 9/13 + 10/8? Give as simplified fraction.
101/52
Common denominator 13*8=104. 9/13=72/104, 10/8=130/104. Sum = 202/104 = 101/52 simplified.
fraction_operations
730,795
percentages
easy
What is 64% of 704?
450.56
Calculate 64/100 * 704 = 0.64*704 = 450.56.
percentages
730,796
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
730,797
number_theory
medium
What is the GCD (greatest common divisor) of 53 and 57?
1
Find greatest number dividing both 53 and 57. Divisors common, greatest is 1.
gcd
730,798
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
730,799
arithmetic
easy
What is 13356 / 28?
477
Divide: 13356 ÷ 28 = 477 because 28*477=13356.
division
730,800
number_theory
medium
What is the LCM (least common multiple) of 24 and 51?
408
LCM = |24*51| / GCD(24,51). GCD=3, so LCM=1224/3=408.
lcm