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
729,601
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
729,602
geometry
easy
Find the circumference of a circle with radius 34. Use pi=3.14159, round to 2 decimals.
213.63
Circumference = 2*pi*r = 2*3.14159*34 = 213.63.
circle_circum
729,603
arithmetic
easy
What is 88 + 86 * 79? Remember order of operations.
6882
Order of operations (PEMDAS): first 86*79=6794, then 88+6794=6882.
basic_operations
729,604
algebra
medium
Solve for x: x^2 - 8x - 20 = 0
x = -2, 10
Factor: (x - -2)(x - 10) = x^2 -(8)x + -20 = 0. So x = -2 or 10. Check sum = 8, product = -20.
quadratic
729,605
word_problems
easy
If you have 68 pencils and you buy 18 more pencils, how many pencils do you have in total?
86
Add initial 68 plus bought 18: 68+18=86.
addition_word
729,606
arithmetic
easy
What is 675 - 361?
314
Subtract: 675 - 361 = 314.
basic_operations
729,607
geometry
easy
Find the area of a rectangle with length 49 and width 91.
4459
Area = length * width = 49*91 = 4459.
rectangle_area
729,608
arithmetic
easy
What is 4097 / 17?
241
Divide: 4097 ÷ 17 = 241 because 17*241=4097.
division
729,609
arithmetic
easy
What is 51 + 86 * 92? Remember order of operations.
7963
Order of operations (PEMDAS): first 86*92=7912, then 51+7912=7963.
basic_operations
729,610
percentages
easy
What is 22% of 468?
102.96
Calculate 22/100 * 468 = 0.22*468 = 102.96.
percentages
729,611
arithmetic
easy
What is 344 + 408 * 67? Remember order of operations.
27680
Order of operations (PEMDAS): first 408*67=27336, then 344+27336=27680.
basic_operations
729,612
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
729,613
arithmetic
easy
What is 18966 / 87?
218
Divide: 18966 ÷ 87 = 218 because 87*218=18966.
division
729,614
fractions
medium
What is 10/14 + 1/18? Give as simplified fraction.
97/126
Common denominator 14*18=252. 10/14=180/252, 1/18=14/252. Sum = 194/252 = 97/126 simplified.
fraction_operations
729,615
word_problems
easy
If you have 7 pencils and you buy 13 more pencils, how many pencils do you have in total?
20
Add initial 7 plus bought 13: 7+13=20.
addition_word
729,616
fractions
medium
What is 2/19 - 20/19? Give as simplified fraction.
-18/19
Common denominator 361. Numerator 38-380=-342. So -342/361 simplifies to -18/19.
fraction_operations
729,617
fractions
medium
What is 2/17 * 12/18? Give as simplified fraction.
4/51
Multiply numerators: 2*12=24. Denominators: 17*18=306. Simplify by gcd 6 to get 4/51.
fraction_operations
729,618
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
729,619
word_problems
easy
If you have 24 dollars and you buy 29 more dollars, how many dollars do you have in total?
53
Add initial 24 plus bought 29: 24+29=53.
addition_word
729,620
statistics
easy
What is the mean (average) of 47, 32, 86?
55
Mean = sum/count. Sum = 47+32+86=165. Count=3. Mean=165/3=55.0.
mean
729,621
algebra
easy
Solve for x: 1x + 40 = 47
7
Subtract 40 from both sides: 1x = 47-40=7. Then divide by 1: x = 7/1 = 7.
linear_equation
729,622
word_problems
easy
If you have 20 books and you buy 29 more books, how many books do you have in total?
49
Add initial 20 plus bought 29: 20+29=49.
addition_word
729,623
exponents
easy
What is 12^4?
20736
12^4 means multiply 12 by itself 4 times: 12*12*12*12 = 20736.
exponents
729,624
percentages
easy
What is 38% of 805?
305.9
Calculate 38/100 * 805 = 0.38*805 = 305.9.
percentages
729,625
arithmetic
easy
What is 1728 / 96?
18
Divide: 1728 ÷ 96 = 18 because 96*18=1728.
division
729,626
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
729,627
word_problems
easy
If you have 83 pencils and you buy 37 more pencils, how many pencils do you have in total?
120
Add initial 83 plus bought 37: 83+37=120.
addition_word
729,628
arithmetic
easy
What is 774 - 96?
678
Subtract: 774 - 96 = 678.
basic_operations
729,629
arithmetic
easy
What is 440 + 696 * 90? Remember order of operations.
63080
Order of operations (PEMDAS): first 696*90=62640, then 440+62640=63080.
basic_operations
729,630
word_problems
easy
If you have 18 apples and you buy 13 more apples, how many apples do you have in total?
31
Add initial 18 plus bought 13: 18+13=31.
addition_word
729,631
statistics
easy
What is the mean (average) of 73, 51, 18, 55, 34?
46.2
Mean = sum/count. Sum = 73+51+18+55+34=231. Count=5. Mean=231/5=46.2.
mean
729,632
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
729,633
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
729,634
statistics
easy
What is the mean (average) of 70, 16, 100, 40, 89?
63
Mean = sum/count. Sum = 70+16+100+40+89=315. Count=5. Mean=315/5=63.0.
mean
729,635
fractions
medium
What is 5/7 - 2/20? Give as simplified fraction.
43/70
Common denominator 140. Numerator 100-14=86. So 86/140 simplifies to 43/70.
fraction_operations
729,636
number_theory
medium
What is the GCD (greatest common divisor) of 50 and 13?
1
Find greatest number dividing both 50 and 13. Divisors common, greatest is 1.
gcd
729,637
statistics
easy
What is the mean (average) of 38, 32, 88, 95, 80?
66.6
Mean = sum/count. Sum = 38+32+88+95+80=333. Count=5. Mean=333/5=66.6.
mean
729,638
algebra
medium
Solve for x: x^2 - 2x = 0
x = 2, 0
Factor: (x - 2)(x - 0) = x^2 -(2)x + 0 = 0. So x = 2 or 0. Check sum = 2, product = 0.
quadratic
729,639
percentages
easy
What is 4% of 45?
1.8
Calculate 4/100 * 45 = 0.04*45 = 1.8.
percentages
729,640
roots
easy
What is the square root of 784?
28
Find number that when squared gives 784. 28*28=784, so sqrt(784)=28.
square_roots
729,641
percentages
easy
What is 26% of 950?
247
Calculate 26/100 * 950 = 0.26*950 = 247.
percentages
729,642
roots
easy
What is the square root of 2304?
48
Find number that when squared gives 2304. 48*48=2304, so sqrt(2304)=48.
square_roots
729,643
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
729,644
statistics
easy
What is the mean (average) of 55, 49, 22?
42
Mean = sum/count. Sum = 55+49+22=126. Count=3. Mean=126/3=42.0.
mean
729,645
percentages
easy
What is 79% of 877?
692.83
Calculate 79/100 * 877 = 0.79*877 = 692.83.
percentages
729,646
fractions
medium
What is 14/11 - 5/2? Give as simplified fraction.
-27/22
Common denominator 22. Numerator 28-55=-27. So -27/22 simplifies to -27/22.
fraction_operations
729,647
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
729,648
arithmetic
easy
What is 671 + 662 * 26? Remember order of operations.
17883
Order of operations (PEMDAS): first 662*26=17212, then 671+17212=17883.
basic_operations
729,649
statistics
easy
What is the mean (average) of 56, 31, 62, 3?
38
Mean = sum/count. Sum = 56+31+62+3=152. Count=4. Mean=152/4=38.0.
mean
729,650
fractions
medium
What is 14/9 + 15/20? Give as simplified fraction.
83/36
Common denominator 9*20=180. 14/9=280/180, 15/20=135/180. Sum = 415/180 = 83/36 simplified.
fraction_operations
729,651
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
729,652
statistics
easy
What is the mean (average) of 3, 52, 85?
46.67
Mean = sum/count. Sum = 3+52+85=140. Count=3. Mean=140/3=46.67.
mean
729,653
statistics
easy
What is the mean (average) of 9, 82, 27?
39.33
Mean = sum/count. Sum = 9+82+27=118. Count=3. Mean=118/3=39.33.
mean
729,654
exponents
easy
What is 4^4?
256
4^4 means multiply 4 by itself 4 times: 4*4*4*4 = 256.
exponents
729,655
algebra
medium
Solve for x: x^2 + 4x + 3 = 0
x = -1, -3
Factor: (x - -1)(x - -3) = x^2 -(-4)x + 3 = 0. So x = -1 or -3. Check sum = -4, product = 3.
quadratic
729,656
arithmetic
easy
What is 2923 / 37?
79
Divide: 2923 ÷ 37 = 79 because 37*79=2923.
division
729,657
arithmetic
easy
What is 20 + 39 * 89? Remember order of operations.
3491
Order of operations (PEMDAS): first 39*89=3471, then 20+3471=3491.
basic_operations
729,658
arithmetic
easy
What is 165 + 44?
209
Add the two numbers: 165 + 44 = 209.
basic_operations
729,659
number_theory
medium
What is the GCD (greatest common divisor) of 58 and 82?
2
Find greatest number dividing both 58 and 82. Divisors common, greatest is 2.
gcd
729,660
percentages
easy
What is 55% of 334?
183.7
Calculate 55/100 * 334 = 0.55*334 = 183.7.
percentages
729,661
number_theory
medium
What is the LCM (least common multiple) of 48 and 34?
816
LCM = |48*34| / GCD(48,34). GCD=2, so LCM=1632/2=816.
lcm
729,662
word_problems
easy
If you have 24 candies and you buy 35 more candies, how many candies do you have in total?
59
Add initial 24 plus bought 35: 24+35=59.
addition_word
729,663
arithmetic
easy
What is 967 - 193?
774
Subtract: 967 - 193 = 774.
basic_operations
729,664
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
729,665
algebra
medium
Solve for x: x^2 + 13x + 40 = 0
x = -5, -8
Factor: (x - -5)(x - -8) = x^2 -(-13)x + 40 = 0. So x = -5 or -8. Check sum = -13, product = 40.
quadratic
729,666
number_theory
medium
What is the LCM (least common multiple) of 6 and 28?
84
LCM = |6*28| / GCD(6,28). GCD=2, so LCM=168/2=84.
lcm
729,667
algebra
easy
Solve for x: 14x - 15 = 209
16
Add 15 to both sides: 14x = 209+15=224. Then x = 224/14 = 16.
linear_equation
729,668
word_problems
easy
If you have 65 dollars and you buy 8 more dollars, how many dollars do you have in total?
73
Add initial 65 plus bought 8: 65+8=73.
addition_word
729,669
arithmetic
easy
What is 277 + 244 * 70? Remember order of operations.
17357
Order of operations (PEMDAS): first 244*70=17080, then 277+17080=17357.
basic_operations
729,670
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
729,671
arithmetic
easy
What is 24375 / 65?
375
Divide: 24375 ÷ 65 = 375 because 65*375=24375.
division
729,672
arithmetic
easy
What is 30667 / 91?
337
Divide: 30667 ÷ 91 = 337 because 91*337=30667.
division
729,673
exponents
easy
What is 11^2?
121
11^2 means multiply 11 by itself 2 times: 11*11 = 121.
exponents
729,674
word_problems
easy
If you have 46 pencils and you buy 37 more pencils, how many pencils do you have in total?
83
Add initial 46 plus bought 37: 46+37=83.
addition_word
729,675
calculus
medium
What is the derivative of 5x^6 with respect to x?
30x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^6] = 5*6*x^5 = 30x^5.
derivative
729,676
algebra
easy
Solve for x: 12x + 18 = 138
10
Subtract 18 from both sides: 12x = 138-18=120. Then divide by 12: x = 120/12 = 10.
linear_equation
729,677
percentages
easy
What is 12% of 32?
3.84
Calculate 12/100 * 32 = 0.12*32 = 3.84.
percentages
729,678
number_theory
medium
What is the GCD (greatest common divisor) of 74 and 69?
1
Find greatest number dividing both 74 and 69. Divisors common, greatest is 1.
gcd
729,679
algebra
easy
Solve for x: 8x + 21 = -139
-20
Subtract 21 from both sides: 8x = -139-21=-160. Then divide by 8: x = -160/8 = -20.
linear_equation
729,680
arithmetic
easy
What is 180 + 177 * 64? Remember order of operations.
11508
Order of operations (PEMDAS): first 177*64=11328, then 180+11328=11508.
basic_operations
729,681
arithmetic
easy
What is 94 * 57?
5358
Multiply: 94 * 57 = 5358.
basic_operations
729,682
arithmetic
easy
What is 935 - 346?
589
Subtract: 935 - 346 = 589.
basic_operations
729,683
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
729,684
statistics
easy
What is the mean (average) of 1, 21, 31, 36?
22.25
Mean = sum/count. Sum = 1+21+31+36=89. Count=4. Mean=89/4=22.25.
mean
729,685
arithmetic
easy
What is 27 * 92?
2484
Multiply: 27 * 92 = 2484.
basic_operations
729,686
algebra
easy
Solve for x: 6x - 50 = -164
-19
Add 50 to both sides: 6x = -164+50=-114. Then x = -114/6 = -19.
linear_equation
729,687
arithmetic
easy
What is 39 * 38?
1482
Multiply: 39 * 38 = 1482.
basic_operations
729,688
percentages
easy
What is 94% of 561?
527.34
Calculate 94/100 * 561 = 0.94*561 = 527.34.
percentages
729,689
fractions
medium
What is 17/10 + 16/10? Give as simplified fraction.
33/10
Common denominator 10*10=100. 17/10=170/100, 16/10=160/100. Sum = 330/100 = 33/10 simplified.
fraction_operations
729,690
number_theory
medium
What is the GCD (greatest common divisor) of 29 and 65?
1
Find greatest number dividing both 29 and 65. Divisors common, greatest is 1.
gcd
729,691
algebra
easy
Solve for x: 8x - 18 = -42
-3
Add 18 to both sides: 8x = -42+18=-24. Then x = -24/8 = -3.
linear_equation
729,692
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
729,693
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
729,694
percentages
easy
What is 17% of 298?
50.66
Calculate 17/100 * 298 = 0.17*298 = 50.66.
percentages
729,695
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
729,696
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
729,697
algebra
easy
Solve for x: 9x - 14 = 67
9
Add 14 to both sides: 9x = 67+14=81. Then x = 81/9 = 9.
linear_equation
729,698
arithmetic
easy
What is 158 + 190 * 25? Remember order of operations.
4908
Order of operations (PEMDAS): first 190*25=4750, then 158+4750=4908.
basic_operations
729,699
exponents
easy
What is 4^3?
64
4^3 means multiply 4 by itself 3 times: 4*4*4 = 64.
exponents
729,700
arithmetic
easy
What is 639 + 466 * 87? Remember order of operations.
41181
Order of operations (PEMDAS): first 466*87=40542, then 639+40542=41181.
basic_operations