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
734,601
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
734,602
word_problems
easy
If you have 65 books and you buy 33 more books, how many books do you have in total?
98
Add initial 65 plus bought 33: 65+33=98.
addition_word
734,603
arithmetic
easy
What is 814 + 328?
1142
Add the two numbers: 814 + 328 = 1142.
basic_operations
734,604
geometry
easy
Find the circumference of a circle with radius 25. Use pi=3.14159, round to 2 decimals.
157.08
Circumference = 2*pi*r = 2*3.14159*25 = 157.08.
circle_circum
734,605
statistics
easy
What is the mean (average) of 81, 99, 64, 12, 26?
56.4
Mean = sum/count. Sum = 81+99+64+12+26=282. Count=5. Mean=282/5=56.4.
mean
734,606
fractions
medium
What is 20/17 - 9/19? Give as simplified fraction.
227/323
Common denominator 323. Numerator 380-153=227. So 227/323 simplifies to 227/323.
fraction_operations
734,607
statistics
easy
What is the mean (average) of 18, 41, 91, 12, 69?
46.2
Mean = sum/count. Sum = 18+41+91+12+69=231. Count=5. Mean=231/5=46.2.
mean
734,608
percentages
easy
What is 23% of 479?
110.17
Calculate 23/100 * 479 = 0.23*479 = 110.17.
percentages
734,609
statistics
easy
What is the mean (average) of 7, 3, 58?
22.67
Mean = sum/count. Sum = 7+3+58=68. Count=3. Mean=68/3=22.67.
mean
734,610
arithmetic
easy
What is 11564 divided by 30? Give answer to 2 decimal places.
385.47
Calculate 11564/ 30 = 385.4667, rounded to 2 decimals is 385.47.
division
734,611
geometry
easy
Find the perimeter of a rectangle with length 33 and width 92.
250
Perimeter = 2*(length+width) = 2*(33+92) = 2*125 = 250.
rectangle_perim
734,612
algebra
medium
Solve for x: x^2 + 19x + 90 = 0
x = -10, -9
Factor: (x - -10)(x - -9) = x^2 -(-19)x + 90 = 0. So x = -10 or -9. Check sum = -19, product = 90.
quadratic
734,613
arithmetic
easy
What is 983 + 481 * 71? Remember order of operations.
35134
Order of operations (PEMDAS): first 481*71=34151, then 983+34151=35134.
basic_operations
734,614
percentages
easy
What is 52% of 606?
315.12
Calculate 52/100 * 606 = 0.52*606 = 315.12.
percentages
734,615
arithmetic
easy
What is 32736 / 66?
496
Divide: 32736 ÷ 66 = 496 because 66*496=32736.
division
734,616
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
734,617
percentages
easy
What is 62% of 31?
19.22
Calculate 62/100 * 31 = 0.62*31 = 19.22.
percentages
734,618
arithmetic
easy
What is 614 + 57 * 3? Remember order of operations.
785
Order of operations (PEMDAS): first 57*3=171, then 614+171=785.
basic_operations
734,619
algebra
easy
Solve for x: 14x + 24 = -130
-11
Subtract 24 from both sides: 14x = -130-24=-154. Then divide by 14: x = -154/14 = -11.
linear_equation
734,620
arithmetic
easy
What is 771 + 747?
1518
Add the two numbers: 771 + 747 = 1518.
basic_operations
734,621
statistics
easy
What is the mean (average) of 68, 48, 41, 56?
53.25
Mean = sum/count. Sum = 68+48+41+56=213. Count=4. Mean=213/4=53.25.
mean
734,622
arithmetic
easy
What is 209 - 194?
15
Subtract: 209 - 194 = 15.
basic_operations
734,623
algebra
medium
Solve for x: x^2 + 13x + 36 = 0
x = -9, -4
Factor: (x - -9)(x - -4) = x^2 -(-13)x + 36 = 0. So x = -9 or -4. Check sum = -13, product = 36.
quadratic
734,624
calculus
medium
What is the derivative of 2x^6 with respect to x?
12x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^6] = 2*6*x^5 = 12x^5.
derivative
734,625
roots
easy
What is the square root of 49?
7
Find number that when squared gives 49. 7*7=49, so sqrt(49)=7.
square_roots
734,626
arithmetic
easy
What is 731 + 504 * 23? Remember order of operations.
12323
Order of operations (PEMDAS): first 504*23=11592, then 731+11592=12323.
basic_operations
734,627
arithmetic
easy
What is 22010 divided by 56? Give answer to 2 decimal places.
393.04
Calculate 22010/ 56 = 393.0357, rounded to 2 decimals is 393.04.
division
734,628
geometry
easy
Find the area of a triangle with base 70 and height 33.
1155
Area = 0.5*base*height = 0.5*70*33 = 1155.
triangle_area
734,629
geometry
easy
Find the area of a circle with radius 6. Use pi=3.14159, round to 2 decimals.
113.1
Area = pi*r^2 = 3.14159*6^2 = 3.14159*36 = 113.1.
circle_area
734,630
statistics
easy
What is the mean (average) of 32, 49, 88?
56.33
Mean = sum/count. Sum = 32+49+88=169. Count=3. Mean=169/3=56.33.
mean
734,631
algebra
medium
Solve for x: x^2 + 12x + 36 = 0
x = -6
Factor as (x - -6)^2 = 0, so root is -6 (double root). Sum of roots = -12, product = 36.
quadratic
734,632
statistics
easy
What is the mean (average) of 89, 70, 66, 65?
72.5
Mean = sum/count. Sum = 89+70+66+65=290. Count=4. Mean=290/4=72.5.
mean
734,633
algebra
medium
Solve for x: x^2 + 2x - 35 = 0
x = -7, 5
Factor: (x - -7)(x - 5) = x^2 -(-2)x + -35 = 0. So x = -7 or 5. Check sum = -2, product = -35.
quadratic
734,634
algebra
medium
Solve for x: x^2 + 5x + 6 = 0
x = -3, -2
Factor: (x - -3)(x - -2) = x^2 -(-5)x + 6 = 0. So x = -3 or -2. Check sum = -5, product = 6.
quadratic
734,635
word_problems
easy
If you have 16 apples and you buy 29 more apples, how many apples do you have in total?
45
Add initial 16 plus bought 29: 16+29=45.
addition_word
734,636
geometry
easy
Find the area of a circle with radius 38. Use pi=3.14159, round to 2 decimals.
4536.46
Area = pi*r^2 = 3.14159*38^2 = 3.14159*1444 = 4536.46.
circle_area
734,637
arithmetic
easy
What is 7 * 71?
497
Multiply: 7 * 71 = 497.
basic_operations
734,638
percentages
easy
What is 2% of 739?
14.78
Calculate 2/100 * 739 = 0.02*739 = 14.78.
percentages
734,639
fractions
medium
What is 16/6 - 17/12? Give as simplified fraction.
5/4
Common denominator 72. Numerator 192-102=90. So 90/72 simplifies to 5/4.
fraction_operations
734,640
algebra
easy
Solve for x: 10x + 21 = -9
-3
Subtract 21 from both sides: 10x = -9-21=-30. Then divide by 10: x = -30/10 = -3.
linear_equation
734,641
statistics
easy
What is the mean (average) of 60, 97, 67, 70?
73.5
Mean = sum/count. Sum = 60+97+67+70=294. Count=4. Mean=294/4=73.5.
mean
734,642
word_problems
easy
If you have 43 pencils and you buy 20 more pencils, how many pencils do you have in total?
63
Add initial 43 plus bought 20: 43+20=63.
addition_word
734,643
arithmetic
easy
What is 702 - 558?
144
Subtract: 702 - 558 = 144.
basic_operations
734,644
number_theory
medium
What is the GCD (greatest common divisor) of 15 and 54?
3
Find greatest number dividing both 15 and 54. Divisors common, greatest is 3.
gcd
734,645
arithmetic
easy
What is 146 + 929?
1075
Add the two numbers: 146 + 929 = 1075.
basic_operations
734,646
arithmetic
easy
What is 428 + 986 * 82? Remember order of operations.
81280
Order of operations (PEMDAS): first 986*82=80852, then 428+80852=81280.
basic_operations
734,647
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
734,648
fractions
medium
What is 3/15 * 8/12? Give as simplified fraction.
2/15
Multiply numerators: 3*8=24. Denominators: 15*12=180. Simplify by gcd 12 to get 2/15.
fraction_operations
734,649
fractions
medium
What is 2/18 + 17/12? Give as simplified fraction.
55/36
Common denominator 18*12=216. 2/18=24/216, 17/12=306/216. Sum = 330/216 = 55/36 simplified.
fraction_operations
734,650
geometry
easy
Find the perimeter of a rectangle with length 83 and width 70.
306
Perimeter = 2*(length+width) = 2*(83+70) = 2*153 = 306.
rectangle_perim
734,651
calculus
medium
What is the derivative of 6x^4 with respect to x?
24x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^4] = 6*4*x^3 = 24x^3.
derivative
734,652
arithmetic
easy
What is 543 + 438 * 62? Remember order of operations.
27699
Order of operations (PEMDAS): first 438*62=27156, then 543+27156=27699.
basic_operations
734,653
word_problems
easy
If you have 61 pencils and you buy 23 more pencils, how many pencils do you have in total?
84
Add initial 61 plus bought 23: 61+23=84.
addition_word
734,654
geometry
easy
Find the area of a rectangle with length 83 and width 6.
498
Area = length * width = 83*6 = 498.
rectangle_area
734,655
number_theory
medium
What is the GCD (greatest common divisor) of 59 and 100?
1
Find greatest number dividing both 59 and 100. Divisors common, greatest is 1.
gcd
734,656
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
734,657
fractions
medium
What is 2/19 + 5/2? Give as simplified fraction.
99/38
Common denominator 19*2=38. 2/19=4/38, 5/2=95/38. Sum = 99/38 = 99/38 simplified.
fraction_operations
734,658
algebra
medium
Solve for x: x^2 + 4x + 4 = 0
x = -2
Factor as (x - -2)^2 = 0, so root is -2 (double root). Sum of roots = -4, product = 4.
quadratic
734,659
arithmetic
easy
What is 547 + 281 * 27? Remember order of operations.
8134
Order of operations (PEMDAS): first 281*27=7587, then 547+7587=8134.
basic_operations
734,660
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
734,661
algebra
medium
Solve for x: x^2 - 8x = 0
x = 8, 0
Factor: (x - 8)(x - 0) = x^2 -(8)x + 0 = 0. So x = 8 or 0. Check sum = 8, product = 0.
quadratic
734,662
arithmetic
easy
What is 65 * 90?
5850
Multiply: 65 * 90 = 5850.
basic_operations
734,663
number_theory
medium
What is the GCD (greatest common divisor) of 90 and 92?
2
Find greatest number dividing both 90 and 92. Divisors common, greatest is 2.
gcd
734,664
geometry
easy
Find the area of a circle with radius 17. Use pi=3.14159, round to 2 decimals.
907.92
Area = pi*r^2 = 3.14159*17^2 = 3.14159*289 = 907.92.
circle_area
734,665
arithmetic
easy
What is 82 * 5?
410
Multiply: 82 * 5 = 410.
basic_operations
734,666
arithmetic
easy
What is 27 * 26?
702
Multiply: 27 * 26 = 702.
basic_operations
734,667
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
734,668
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
734,669
fractions
medium
What is 2/7 + 10/7? Give as simplified fraction.
12/7
Common denominator 7*7=49. 2/7=14/49, 10/7=70/49. Sum = 84/49 = 12/7 simplified.
fraction_operations
734,670
number_theory
medium
What is the GCD (greatest common divisor) of 63 and 62?
1
Find greatest number dividing both 63 and 62. Divisors common, greatest is 1.
gcd
734,671
fractions
medium
What is 11/3 + 14/4? Give as simplified fraction.
43/6
Common denominator 3*4=12. 11/3=44/12, 14/4=42/12. Sum = 86/12 = 43/6 simplified.
fraction_operations
734,672
statistics
easy
What is the mean (average) of 63, 22, 11, 42, 15?
30.6
Mean = sum/count. Sum = 63+22+11+42+15=153. Count=5. Mean=153/5=30.6.
mean
734,673
arithmetic
easy
What is 293 + 979?
1272
Add the two numbers: 293 + 979 = 1272.
basic_operations
734,674
algebra
easy
Solve for x: 2x - 6 = 28
17
Add 6 to both sides: 2x = 28+6=34. Then x = 34/2 = 17.
linear_equation
734,675
number_theory
medium
What is the LCM (least common multiple) of 20 and 3?
60
LCM = |20*3| / GCD(20,3). GCD=1, so LCM=60/1=60.
lcm
734,676
arithmetic
easy
What is 6588 / 54?
122
Divide: 6588 ÷ 54 = 122 because 54*122=6588.
division
734,677
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
734,678
geometry
easy
Find the area of a triangle with base 90 and height 31.
1395
Area = 0.5*base*height = 0.5*90*31 = 1395.
triangle_area
734,679
statistics
easy
What is the mean (average) of 5, 34, 30, 3, 25?
19.4
Mean = sum/count. Sum = 5+34+30+3+25=97. Count=5. Mean=97/5=19.4.
mean
734,680
arithmetic
easy
What is 617 + 299 * 39? Remember order of operations.
12278
Order of operations (PEMDAS): first 299*39=11661, then 617+11661=12278.
basic_operations
734,681
geometry
easy
Find the area of a triangle with base 93 and height 10.
465
Area = 0.5*base*height = 0.5*93*10 = 465.
triangle_area
734,682
arithmetic
easy
What is 48 * 85?
4080
Multiply: 48 * 85 = 4080.
basic_operations
734,683
calculus
medium
What is the derivative of 6x^7 with respect to x?
42x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^7] = 6*7*x^6 = 42x^6.
derivative
734,684
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
734,685
fractions
medium
What is 9/3 * 11/17? Give as simplified fraction.
33/17
Multiply numerators: 9*11=99. Denominators: 3*17=51. Simplify by gcd 3 to get 33/17.
fraction_operations
734,686
arithmetic
easy
What is 46500 / 100?
465
Divide: 46500 ÷ 100 = 465 because 100*465=46500.
division
734,687
arithmetic
easy
What is 7 + 432?
439
Add the two numbers: 7 + 432 = 439.
basic_operations
734,688
arithmetic
easy
What is 684 - 464?
220
Subtract: 684 - 464 = 220.
basic_operations
734,689
word_problems
easy
If you have 84 pencils and you buy 2 more pencils, how many pencils do you have in total?
86
Add initial 84 plus bought 2: 84+2=86.
addition_word
734,690
word_problems
easy
If you have 86 dollars and you buy 39 more dollars, how many dollars do you have in total?
125
Add initial 86 plus bought 39: 86+39=125.
addition_word
734,691
percentages
easy
What is 10% of 866?
86.6
Calculate 10/100 * 866 = 0.1*866 = 86.6.
percentages
734,692
fractions
medium
What is 14/18 * 8/11? Give as simplified fraction.
56/99
Multiply numerators: 14*8=112. Denominators: 18*11=198. Simplify by gcd 2 to get 56/99.
fraction_operations
734,693
roots
easy
What is the square root of 169?
13
Find number that when squared gives 169. 13*13=169, so sqrt(169)=13.
square_roots
734,694
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
734,695
roots
easy
What is the square root of 81?
9
Find number that when squared gives 81. 9*9=81, so sqrt(81)=9.
square_roots
734,696
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
734,697
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
734,698
percentages
easy
What is 59% of 978?
577.02
Calculate 59/100 * 978 = 0.59*978 = 577.02.
percentages
734,699
arithmetic
easy
What is 79 * 91?
7189
Multiply: 79 * 91 = 7189.
basic_operations
734,700
statistics
easy
What is the mean (average) of 15, 99, 73, 53, 40?
56
Mean = sum/count. Sum = 15+99+73+53+40=280. Count=5. Mean=280/5=56.0.
mean