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
734,501
percentages
easy
What is 53% of 465?
246.45
Calculate 53/100 * 465 = 0.53*465 = 246.45.
percentages
734,502
statistics
easy
What is the mean (average) of 87, 86, 70, 41?
71
Mean = sum/count. Sum = 87+86+70+41=284. Count=4. Mean=284/4=71.0.
mean
734,503
arithmetic
easy
What is 84 * 5?
420
Multiply: 84 * 5 = 420.
basic_operations
734,504
exponents
easy
What is 8^3?
512
8^3 means multiply 8 by itself 3 times: 8*8*8 = 512.
exponents
734,505
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
734,506
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
734,507
number_theory
medium
What is the GCD (greatest common divisor) of 31 and 38?
1
Find greatest number dividing both 31 and 38. Divisors common, greatest is 1.
gcd
734,508
algebra
easy
Solve for x: 3x + 47 = 56
3
Subtract 47 from both sides: 3x = 56-47=9. Then divide by 3: x = 9/3 = 3.
linear_equation
734,509
algebra
easy
Solve for x: 5x + 7 = -53
-12
Subtract 7 from both sides: 5x = -53-7=-60. Then divide by 5: x = -60/5 = -12.
linear_equation
734,510
statistics
easy
What is the mean (average) of 16, 21, 53, 64?
38.5
Mean = sum/count. Sum = 16+21+53+64=154. Count=4. Mean=154/4=38.5.
mean
734,511
fractions
medium
What is 13/8 - 17/2? Give as simplified fraction.
-55/8
Common denominator 16. Numerator 26-136=-110. So -110/16 simplifies to -55/8.
fraction_operations
734,512
number_theory
medium
What is the LCM (least common multiple) of 85 and 3?
255
LCM = |85*3| / GCD(85,3). GCD=1, so LCM=255/1=255.
lcm
734,513
fractions
medium
What is 6/20 + 3/20? Give as simplified fraction.
9/20
Common denominator 20*20=400. 6/20=120/400, 3/20=60/400. Sum = 180/400 = 9/20 simplified.
fraction_operations
734,514
fractions
medium
What is 18/11 + 4/10? Give as simplified fraction.
112/55
Common denominator 11*10=110. 18/11=180/110, 4/10=44/110. Sum = 224/110 = 112/55 simplified.
fraction_operations
734,515
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
734,516
exponents
easy
What is 4^5?
1024
4^5 means multiply 4 by itself 5 times: 4*4*4*4*4 = 1024.
exponents
734,517
algebra
easy
Solve for x: 20x - 9 = 251
13
Add 9 to both sides: 20x = 251+9=260. Then x = 260/20 = 13.
linear_equation
734,518
arithmetic
easy
What is 22764 / 84?
271
Divide: 22764 ÷ 84 = 271 because 84*271=22764.
division
734,519
statistics
easy
What is the mean (average) of 83, 41, 5, 99?
57
Mean = sum/count. Sum = 83+41+5+99=228. Count=4. Mean=228/4=57.0.
mean
734,520
arithmetic
easy
What is 814 - 254?
560
Subtract: 814 - 254 = 560.
basic_operations
734,521
algebra
medium
Solve for x: x^2 + 2x - 3 = 0
x = 1, -3
Factor: (x - 1)(x - -3) = x^2 -(-2)x + -3 = 0. So x = 1 or -3. Check sum = -2, product = -3.
quadratic
734,522
number_theory
medium
What is the LCM (least common multiple) of 97 and 22?
2134
LCM = |97*22| / GCD(97,22). GCD=1, so LCM=2134/1=2134.
lcm
734,523
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
734,524
number_theory
medium
What is the LCM (least common multiple) of 99 and 86?
8514
LCM = |99*86| / GCD(99,86). GCD=1, so LCM=8514/1=8514.
lcm
734,525
statistics
easy
What is the mean (average) of 92, 55, 35?
60.67
Mean = sum/count. Sum = 92+55+35=182. Count=3. Mean=182/3=60.67.
mean
734,526
exponents
easy
What is 9^5?
59049
9^5 means multiply 9 by itself 5 times: 9*9*9*9*9 = 59049.
exponents
734,527
arithmetic
easy
What is 86 * 27?
2322
Multiply: 86 * 27 = 2322.
basic_operations
734,528
algebra
easy
Solve for x: 13x + 35 = 87
4
Subtract 35 from both sides: 13x = 87-35=52. Then divide by 13: x = 52/13 = 4.
linear_equation
734,529
arithmetic
easy
What is 82 + 881?
963
Add the two numbers: 82 + 881 = 963.
basic_operations
734,530
exponents
easy
What is 4^4?
256
4^4 means multiply 4 by itself 4 times: 4*4*4*4 = 256.
exponents
734,531
fractions
medium
What is 16/18 * 15/16? Give as simplified fraction.
5/6
Multiply numerators: 16*15=240. Denominators: 18*16=288. Simplify by gcd 48 to get 5/6.
fraction_operations
734,532
algebra
medium
Solve for x: x^2 - 9x = 0
x = 0, 9
Factor: (x - 0)(x - 9) = x^2 -(9)x + 0 = 0. So x = 0 or 9. Check sum = 9, product = 0.
quadratic
734,533
word_problems
easy
If you have 91 pencils and you buy 27 more pencils, how many pencils do you have in total?
118
Add initial 91 plus bought 27: 91+27=118.
addition_word
734,534
arithmetic
easy
What is 11319 / 77?
147
Divide: 11319 ÷ 77 = 147 because 77*147=11319.
division
734,535
percentages
easy
What is 8% of 140?
11.2
Calculate 8/100 * 140 = 0.08*140 = 11.2.
percentages
734,536
word_problems
easy
If you have 42 apples and you buy 25 more apples, how many apples do you have in total?
67
Add initial 42 plus bought 25: 42+25=67.
addition_word
734,537
word_problems
easy
If you have 33 candies and you buy 20 more candies, how many candies do you have in total?
53
Add initial 33 plus bought 20: 33+20=53.
addition_word
734,538
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
734,539
percentages
easy
What is 2% of 385?
7.7
Calculate 2/100 * 385 = 0.02*385 = 7.7.
percentages
734,540
calculus
medium
What is the derivative of 6x^5 with respect to x?
30x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^5] = 6*5*x^4 = 30x^4.
derivative
734,541
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
734,542
statistics
easy
What is the mean (average) of 82, 100, 99, 69?
87.5
Mean = sum/count. Sum = 82+100+99+69=350. Count=4. Mean=350/4=87.5.
mean
734,543
arithmetic
easy
What is 252 + 780 * 4? Remember order of operations.
3372
Order of operations (PEMDAS): first 780*4=3120, then 252+3120=3372.
basic_operations
734,544
number_theory
medium
What is the GCD (greatest common divisor) of 44 and 78?
2
Find greatest number dividing both 44 and 78. Divisors common, greatest is 2.
gcd
734,545
roots
easy
What is the square root of 1681?
41
Find number that when squared gives 1681. 41*41=1681, so sqrt(1681)=41.
square_roots
734,546
arithmetic
easy
What is 10875 / 25?
435
Divide: 10875 ÷ 25 = 435 because 25*435=10875.
division
734,547
arithmetic
easy
What is 272 + 63 * 53? Remember order of operations.
3611
Order of operations (PEMDAS): first 63*53=3339, then 272+3339=3611.
basic_operations
734,548
algebra
medium
Solve for x: x^2 + 1x - 42 = 0
x = 6, -7
Factor: (x - 6)(x - -7) = x^2 -(-1)x + -42 = 0. So x = 6 or -7. Check sum = -1, product = -42.
quadratic
734,549
arithmetic
easy
What is 85 + 2 * 1? Remember order of operations.
87
Order of operations (PEMDAS): first 2*1=2, then 85+2=87.
basic_operations
734,550
word_problems
easy
If you have 69 books and you buy 1 more books, how many books do you have in total?
70
Add initial 69 plus bought 1: 69+1=70.
addition_word
734,551
algebra
medium
Solve for x: x^2 - 81 = 0
x = -9, 9
Factor: (x - -9)(x - 9) = x^2 -(0)x + -81 = 0. So x = -9 or 9. Check sum = 0, product = -81.
quadratic
734,552
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
734,553
fractions
medium
What is 10/8 - 11/3? Give as simplified fraction.
-29/12
Common denominator 24. Numerator 30-88=-58. So -58/24 simplifies to -29/12.
fraction_operations
734,554
arithmetic
easy
What is 427 - 354?
73
Subtract: 427 - 354 = 73.
basic_operations
734,555
arithmetic
easy
What is 13536 / 72?
188
Divide: 13536 ÷ 72 = 188 because 72*188=13536.
division
734,556
geometry
easy
Find the perimeter of a rectangle with length 68 and width 88.
312
Perimeter = 2*(length+width) = 2*(68+88) = 2*156 = 312.
rectangle_perim
734,557
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
734,558
arithmetic
easy
What is 671 - 19?
652
Subtract: 671 - 19 = 652.
basic_operations
734,559
geometry
easy
Find the area of a triangle with base 53 and height 85.
2252.5
Area = 0.5*base*height = 0.5*53*85 = 2252.5.
triangle_area
734,560
arithmetic
easy
What is 626 + 964?
1590
Add the two numbers: 626 + 964 = 1590.
basic_operations
734,561
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
734,562
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
734,563
arithmetic
easy
What is 728 + 417 * 61? Remember order of operations.
26165
Order of operations (PEMDAS): first 417*61=25437, then 728+25437=26165.
basic_operations
734,564
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
734,565
number_theory
medium
What is the GCD (greatest common divisor) of 54 and 92?
2
Find greatest number dividing both 54 and 92. Divisors common, greatest is 2.
gcd
734,566
arithmetic
easy
What is 519 + 912?
1431
Add the two numbers: 519 + 912 = 1431.
basic_operations
734,567
calculus
medium
What is the derivative of 9x^5 with respect to x?
45x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^5] = 9*5*x^4 = 45x^4.
derivative
734,568
arithmetic
easy
What is 27081 / 59?
459
Divide: 27081 ÷ 59 = 459 because 59*459=27081.
division
734,569
number_theory
medium
What is the GCD (greatest common divisor) of 12 and 30?
6
Find greatest number dividing both 12 and 30. Divisors common, greatest is 6.
gcd
734,570
arithmetic
easy
What is 36270 / 90?
403
Divide: 36270 ÷ 90 = 403 because 90*403=36270.
division
734,571
arithmetic
easy
What is 241 + 713?
954
Add the two numbers: 241 + 713 = 954.
basic_operations
734,572
arithmetic
easy
What is 750 + 842?
1592
Add the two numbers: 750 + 842 = 1592.
basic_operations
734,573
algebra
medium
Solve for x: x^2 - 2x - 35 = 0
x = -5, 7
Factor: (x - -5)(x - 7) = x^2 -(2)x + -35 = 0. So x = -5 or 7. Check sum = 2, product = -35.
quadratic
734,574
calculus
medium
What is the derivative of 8x^7 with respect to x?
56x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^7] = 8*7*x^6 = 56x^6.
derivative
734,575
algebra
easy
Solve for x: 6x + 41 = 11
-5
Subtract 41 from both sides: 6x = 11-41=-30. Then divide by 6: x = -30/6 = -5.
linear_equation
734,576
number_theory
medium
What is the GCD (greatest common divisor) of 87 and 9?
3
Find greatest number dividing both 87 and 9. Divisors common, greatest is 3.
gcd
734,577
algebra
easy
Solve for x: 11x + 31 = -123
-14
Subtract 31 from both sides: 11x = -123-31=-154. Then divide by 11: x = -154/11 = -14.
linear_equation
734,578
statistics
easy
What is the mean (average) of 25, 24, 35, 89, 96?
53.8
Mean = sum/count. Sum = 25+24+35+89+96=269. Count=5. Mean=269/5=53.8.
mean
734,579
arithmetic
easy
What is 357 + 261?
618
Add the two numbers: 357 + 261 = 618.
basic_operations
734,580
arithmetic
easy
What is 933 + 707?
1640
Add the two numbers: 933 + 707 = 1640.
basic_operations
734,581
arithmetic
easy
What is 1131 divided by 67? Give answer to 2 decimal places.
16.88
Calculate 1131/ 67 = 16.8806, rounded to 2 decimals is 16.88.
division
734,582
geometry
easy
Find the area of a rectangle with length 80 and width 58.
4640
Area = length * width = 80*58 = 4640.
rectangle_area
734,583
statistics
easy
What is the mean (average) of 42, 26, 6?
24.67
Mean = sum/count. Sum = 42+26+6=74. Count=3. Mean=74/3=24.67.
mean
734,584
arithmetic
easy
What is 750 - 149?
601
Subtract: 750 - 149 = 601.
basic_operations
734,585
arithmetic
easy
What is 8362 divided by 20? Give answer to 2 decimal places.
418.1
Calculate 8362/ 20 = 418.1000, rounded to 2 decimals is 418.1.
division
734,586
calculus
medium
What is the derivative of 7x^7 with respect to x?
49x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^7] = 7*7*x^6 = 49x^6.
derivative
734,587
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
734,588
arithmetic
easy
What is 26784 / 72?
372
Divide: 26784 ÷ 72 = 372 because 72*372=26784.
division
734,589
arithmetic
easy
What is 644 - 410?
234
Subtract: 644 - 410 = 234.
basic_operations
734,590
arithmetic
easy
What is 535 + 805?
1340
Add the two numbers: 535 + 805 = 1340.
basic_operations
734,591
percentages
easy
What is 2% of 460?
9.2
Calculate 2/100 * 460 = 0.02*460 = 9.2.
percentages
734,592
number_theory
medium
What is the GCD (greatest common divisor) of 38 and 9?
1
Find greatest number dividing both 38 and 9. Divisors common, greatest is 1.
gcd
734,593
exponents
easy
What is 2^4?
16
2^4 means multiply 2 by itself 4 times: 2*2*2*2 = 16.
exponents
734,594
statistics
easy
What is the mean (average) of 86, 59, 17, 6, 21?
37.8
Mean = sum/count. Sum = 86+59+17+6+21=189. Count=5. Mean=189/5=37.8.
mean
734,595
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
734,596
algebra
medium
Solve for x: x^2 - 17x + 72 = 0
x = 8, 9
Factor: (x - 8)(x - 9) = x^2 -(17)x + 72 = 0. So x = 8 or 9. Check sum = 17, product = 72.
quadratic
734,597
arithmetic
easy
What is 21 + 72 * 1? Remember order of operations.
93
Order of operations (PEMDAS): first 72*1=72, then 21+72=93.
basic_operations
734,598
exponents
easy
What is 2^3?
8
2^3 means multiply 2 by itself 3 times: 2*2*2 = 8.
exponents
734,599
arithmetic
easy
What is 9648 / 67?
144
Divide: 9648 ÷ 67 = 144 because 67*144=9648.
division
734,600
arithmetic
easy
What is 59 + 66 * 9? Remember order of operations.
653
Order of operations (PEMDAS): first 66*9=594, then 59+594=653.
basic_operations