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
732,501
percentages
easy
What is 87% of 486?
422.82
Calculate 87/100 * 486 = 0.87*486 = 422.82.
percentages
732,502
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
732,503
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
732,504
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
732,505
arithmetic
easy
What is 532 + 93 * 1? Remember order of operations.
625
Order of operations (PEMDAS): first 93*1=93, then 532+93=625.
basic_operations
732,506
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
732,507
number_theory
medium
What is the LCM (least common multiple) of 20 and 78?
780
LCM = |20*78| / GCD(20,78). GCD=2, so LCM=1560/2=780.
lcm
732,508
number_theory
medium
What is the LCM (least common multiple) of 16 and 85?
1360
LCM = |16*85| / GCD(16,85). GCD=1, so LCM=1360/1=1360.
lcm
732,509
arithmetic
easy
What is 3526 divided by 40? Give answer to 2 decimal places.
88.15
Calculate 3526/ 40 = 88.1500, rounded to 2 decimals is 88.15.
division
732,510
algebra
easy
Solve for x: 2x - 42 = -30
6
Add 42 to both sides: 2x = -30+42=12. Then x = 12/2 = 6.
linear_equation
732,511
statistics
easy
What is the mean (average) of 54, 79, 100, 39?
68
Mean = sum/count. Sum = 54+79+100+39=272. Count=4. Mean=272/4=68.0.
mean
732,512
arithmetic
easy
What is 527 - 283?
244
Subtract: 527 - 283 = 244.
basic_operations
732,513
algebra
medium
Solve for x: x^2 + 11x + 18 = 0
x = -2, -9
Factor: (x - -2)(x - -9) = x^2 -(-11)x + 18 = 0. So x = -2 or -9. Check sum = -11, product = 18.
quadratic
732,514
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
732,515
arithmetic
easy
What is 6582 divided by 21? Give answer to 2 decimal places.
313.43
Calculate 6582/ 21 = 313.4286, rounded to 2 decimals is 313.43.
division
732,516
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
732,517
geometry
easy
Find the area of a triangle with base 15 and height 52.
390
Area = 0.5*base*height = 0.5*15*52 = 390.
triangle_area
732,518
geometry
easy
Find the area of a rectangle with length 21 and width 56.
1176
Area = length * width = 21*56 = 1176.
rectangle_area
732,519
exponents
easy
What is 4^4?
256
4^4 means multiply 4 by itself 4 times: 4*4*4*4 = 256.
exponents
732,520
algebra
medium
Solve for x: x^2 + 11x + 18 = 0
x = -2, -9
Factor: (x - -2)(x - -9) = x^2 -(-11)x + 18 = 0. So x = -2 or -9. Check sum = -11, product = 18.
quadratic
732,521
statistics
easy
What is the mean (average) of 4, 79, 47, 48, 61?
47.8
Mean = sum/count. Sum = 4+79+47+48+61=239. Count=5. Mean=239/5=47.8.
mean
732,522
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
732,523
algebra
medium
Solve for x: x^2 + 4x - 21 = 0
x = 3, -7
Factor: (x - 3)(x - -7) = x^2 -(-4)x + -21 = 0. So x = 3 or -7. Check sum = -4, product = -21.
quadratic
732,524
arithmetic
easy
What is 9037 divided by 36? Give answer to 2 decimal places.
251.03
Calculate 9037/ 36 = 251.0278, rounded to 2 decimals is 251.03.
division
732,525
algebra
easy
Solve for x: 10x - 5 = 35
4
Add 5 to both sides: 10x = 35+5=40. Then x = 40/10 = 4.
linear_equation
732,526
arithmetic
easy
What is 996 + 397?
1393
Add the two numbers: 996 + 397 = 1393.
basic_operations
732,527
algebra
medium
Solve for x: x^2 - 4x - 60 = 0
x = -6, 10
Factor: (x - -6)(x - 10) = x^2 -(4)x + -60 = 0. So x = -6 or 10. Check sum = 4, product = -60.
quadratic
732,528
word_problems
easy
If you have 23 candies and you buy 31 more candies, how many candies do you have in total?
54
Add initial 23 plus bought 31: 23+31=54.
addition_word
732,529
algebra
medium
Solve for x: x^2 - 1x - 42 = 0
x = 7, -6
Factor: (x - 7)(x - -6) = x^2 -(1)x + -42 = 0. So x = 7 or -6. Check sum = 1, product = -42.
quadratic
732,530
geometry
easy
Find the area of a triangle with base 7 and height 73.
255.5
Area = 0.5*base*height = 0.5*7*73 = 255.5.
triangle_area
732,531
percentages
easy
What is 43% of 692?
297.56
Calculate 43/100 * 692 = 0.43*692 = 297.56.
percentages
732,532
arithmetic
easy
What is 5103 / 81?
63
Divide: 5103 ÷ 81 = 63 because 81*63=5103.
division
732,533
geometry
easy
Find the perimeter of a rectangle with length 26 and width 18.
88
Perimeter = 2*(length+width) = 2*(26+18) = 2*44 = 88.
rectangle_perim
732,534
percentages
easy
What is 5% of 509?
25.45
Calculate 5/100 * 509 = 0.05*509 = 25.45.
percentages
732,535
word_problems
easy
If you have 73 candies and you buy 34 more candies, how many candies do you have in total?
107
Add initial 73 plus bought 34: 73+34=107.
addition_word
732,536
word_problems
easy
If you have 83 candies and you buy 15 more candies, how many candies do you have in total?
98
Add initial 83 plus bought 15: 83+15=98.
addition_word
732,537
arithmetic
easy
What is 926 + 528?
1454
Add the two numbers: 926 + 528 = 1454.
basic_operations
732,538
exponents
easy
What is 12^4?
20736
12^4 means multiply 12 by itself 4 times: 12*12*12*12 = 20736.
exponents
732,539
arithmetic
easy
What is 619 - 422?
197
Subtract: 619 - 422 = 197.
basic_operations
732,540
calculus
medium
What is the derivative of 2x^3 with respect to x?
6x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^3] = 2*3*x^2 = 6x^2.
derivative
732,541
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
732,542
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
732,543
calculus
medium
What is the derivative of 8x^8 with respect to x?
64x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^8] = 8*8*x^7 = 64x^7.
derivative
732,544
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
732,545
fractions
medium
What is 10/3 - 16/13? Give as simplified fraction.
82/39
Common denominator 39. Numerator 130-48=82. So 82/39 simplifies to 82/39.
fraction_operations
732,546
number_theory
medium
What is the GCD (greatest common divisor) of 29 and 29?
29
Find greatest number dividing both 29 and 29. Divisors common, greatest is 29.
gcd
732,547
calculus
medium
What is the derivative of 2x^3 with respect to x?
6x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^3] = 2*3*x^2 = 6x^2.
derivative
732,548
algebra
easy
Solve for x: 12x - 14 = 94
9
Add 14 to both sides: 12x = 94+14=108. Then x = 108/12 = 9.
linear_equation
732,549
statistics
easy
What is the mean (average) of 5, 26, 31?
20.67
Mean = sum/count. Sum = 5+26+31=62. Count=3. Mean=62/3=20.67.
mean
732,550
statistics
easy
What is the mean (average) of 29, 57, 88, 4?
44.5
Mean = sum/count. Sum = 29+57+88+4=178. Count=4. Mean=178/4=44.5.
mean
732,551
geometry
easy
Find the perimeter of a rectangle with length 68 and width 73.
282
Perimeter = 2*(length+width) = 2*(68+73) = 2*141 = 282.
rectangle_perim
732,552
geometry
easy
Find the circumference of a circle with radius 47. Use pi=3.14159, round to 2 decimals.
295.31
Circumference = 2*pi*r = 2*3.14159*47 = 295.31.
circle_circum
732,553
geometry
easy
Find the area of a triangle with base 61 and height 2.
61
Area = 0.5*base*height = 0.5*61*2 = 61.
triangle_area
732,554
fractions
medium
What is 9/5 * 17/5? Give as simplified fraction.
153/25
Multiply numerators: 9*17=153. Denominators: 5*5=25. Simplify by gcd 1 to get 153/25.
fraction_operations
732,555
exponents
easy
What is 11^2?
121
11^2 means multiply 11 by itself 2 times: 11*11 = 121.
exponents
732,556
arithmetic
easy
What is 643 + 121?
764
Add the two numbers: 643 + 121 = 764.
basic_operations
732,557
word_problems
easy
If you have 68 pencils and you buy 29 more pencils, how many pencils do you have in total?
97
Add initial 68 plus bought 29: 68+29=97.
addition_word
732,558
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
732,559
calculus
medium
What is the derivative of 5x^2 with respect to x?
10x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^2] = 5*2*x^1 = 10x.
derivative
732,560
algebra
medium
Solve for x: x^2 + 7x + 12 = 0
x = -4, -3
Factor: (x - -4)(x - -3) = x^2 -(-7)x + 12 = 0. So x = -4 or -3. Check sum = -7, product = 12.
quadratic
732,561
word_problems
easy
If you have 28 candies and you buy 44 more candies, how many candies do you have in total?
72
Add initial 28 plus bought 44: 28+44=72.
addition_word
732,562
geometry
easy
Find the perimeter of a rectangle with length 47 and width 38.
170
Perimeter = 2*(length+width) = 2*(47+38) = 2*85 = 170.
rectangle_perim
732,563
fractions
medium
What is 13/2 - 10/6? Give as simplified fraction.
29/6
Common denominator 12. Numerator 78-20=58. So 58/12 simplifies to 29/6.
fraction_operations
732,564
fractions
medium
What is 6/7 * 14/14? Give as simplified fraction.
6/7
Multiply numerators: 6*14=84. Denominators: 7*14=98. Simplify by gcd 14 to get 6/7.
fraction_operations
732,565
number_theory
medium
What is the GCD (greatest common divisor) of 75 and 2?
1
Find greatest number dividing both 75 and 2. Divisors common, greatest is 1.
gcd
732,566
algebra
medium
Solve for x: x^2 - 11x + 30 = 0
x = 6, 5
Factor: (x - 6)(x - 5) = x^2 -(11)x + 30 = 0. So x = 6 or 5. Check sum = 11, product = 30.
quadratic
732,567
roots
easy
What is the square root of 676?
26
Find number that when squared gives 676. 26*26=676, so sqrt(676)=26.
square_roots
732,568
arithmetic
easy
What is 829 + 278 * 50? Remember order of operations.
14729
Order of operations (PEMDAS): first 278*50=13900, then 829+13900=14729.
basic_operations
732,569
word_problems
easy
If you have 63 books and you buy 40 more books, how many books do you have in total?
103
Add initial 63 plus bought 40: 63+40=103.
addition_word
732,570
arithmetic
easy
What is 955 - 487?
468
Subtract: 955 - 487 = 468.
basic_operations
732,571
arithmetic
easy
What is 957 + 111?
1068
Add the two numbers: 957 + 111 = 1068.
basic_operations
732,572
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
732,573
algebra
medium
Solve for x: x^2 + 5x = 0
x = 0, -5
Factor: (x - 0)(x - -5) = x^2 -(-5)x + 0 = 0. So x = 0 or -5. Check sum = -5, product = 0.
quadratic
732,574
calculus
medium
What is the derivative of 5x^2 with respect to x?
10x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^2] = 5*2*x^1 = 10x.
derivative
732,575
arithmetic
easy
What is 292 + 423?
715
Add the two numbers: 292 + 423 = 715.
basic_operations
732,576
number_theory
medium
What is the GCD (greatest common divisor) of 60 and 35?
5
Find greatest number dividing both 60 and 35. Divisors common, greatest is 5.
gcd
732,577
algebra
medium
Solve for x: x^2 + 6x - 40 = 0
x = 4, -10
Factor: (x - 4)(x - -10) = x^2 -(-6)x + -40 = 0. So x = 4 or -10. Check sum = -6, product = -40.
quadratic
732,578
arithmetic
easy
What is 36234 / 99?
366
Divide: 36234 ÷ 99 = 366 because 99*366=36234.
division
732,579
word_problems
easy
If you have 54 candies and you buy 2 more candies, how many candies do you have in total?
56
Add initial 54 plus bought 2: 54+2=56.
addition_word
732,580
word_problems
easy
If you have 78 apples and you buy 8 more apples, how many apples do you have in total?
86
Add initial 78 plus bought 8: 78+8=86.
addition_word
732,581
arithmetic
easy
What is 656 + 606 * 97? Remember order of operations.
59438
Order of operations (PEMDAS): first 606*97=58782, then 656+58782=59438.
basic_operations
732,582
geometry
easy
Find the area of a circle with radius 7. Use pi=3.14159, round to 2 decimals.
153.94
Area = pi*r^2 = 3.14159*7^2 = 3.14159*49 = 153.94.
circle_area
732,583
roots
easy
What is the square root of 729?
27
Find number that when squared gives 729. 27*27=729, so sqrt(729)=27.
square_roots
732,584
algebra
medium
Solve for x: x^2 - 12x + 20 = 0
x = 10, 2
Factor: (x - 10)(x - 2) = x^2 -(12)x + 20 = 0. So x = 10 or 2. Check sum = 12, product = 20.
quadratic
732,585
algebra
easy
Solve for x: 19x - 34 = -376
-18
Add 34 to both sides: 19x = -376+34=-342. Then x = -342/19 = -18.
linear_equation
732,586
arithmetic
easy
What is 62 + 61 * 89? Remember order of operations.
5491
Order of operations (PEMDAS): first 61*89=5429, then 62+5429=5491.
basic_operations
732,587
roots
easy
What is the square root of 576?
24
Find number that when squared gives 576. 24*24=576, so sqrt(576)=24.
square_roots
732,588
geometry
easy
Find the area of a circle with radius 45. Use pi=3.14159, round to 2 decimals.
6361.73
Area = pi*r^2 = 3.14159*45^2 = 3.14159*2025 = 6361.73.
circle_area
732,589
algebra
medium
Solve for x: x^2 - 8x + 15 = 0
x = 3, 5
Factor: (x - 3)(x - 5) = x^2 -(8)x + 15 = 0. So x = 3 or 5. Check sum = 8, product = 15.
quadratic
732,590
word_problems
easy
If you have 43 apples and you buy 22 more apples, how many apples do you have in total?
65
Add initial 43 plus bought 22: 43+22=65.
addition_word
732,591
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
732,592
percentages
easy
What is 48% of 901?
432.48
Calculate 48/100 * 901 = 0.48*901 = 432.48.
percentages
732,593
algebra
easy
Solve for x: 7x - 49 = 70
17
Add 49 to both sides: 7x = 70+49=119. Then x = 119/7 = 17.
linear_equation
732,594
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
732,595
algebra
medium
Solve for x: x^2 - 49 = 0
x = 7, -7
Factor: (x - 7)(x - -7) = x^2 -(0)x + -49 = 0. So x = 7 or -7. Check sum = 0, product = -49.
quadratic
732,596
algebra
easy
Solve for x: 9x - 4 = 5
1
Add 4 to both sides: 9x = 5+4=9. Then x = 9/9 = 1.
linear_equation
732,597
word_problems
easy
If you have 14 candies and you buy 34 more candies, how many candies do you have in total?
48
Add initial 14 plus bought 34: 14+34=48.
addition_word
732,598
word_problems
easy
If you have 43 pencils and you buy 19 more pencils, how many pencils do you have in total?
62
Add initial 43 plus bought 19: 43+19=62.
addition_word
732,599
algebra
easy
Solve for x: 12x + 46 = -38
-7
Subtract 46 from both sides: 12x = -38-46=-84. Then divide by 12: x = -84/12 = -7.
linear_equation
732,600
word_problems
easy
If you have 53 books and you buy 4 more books, how many books do you have in total?
57
Add initial 53 plus bought 4: 53+4=57.
addition_word