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
5,501
percentages
easy
What is 69% of 894?
616.86
Calculate 69/100 * 894 = 0.69*894 = 616.86.
percentages
5,502
word_problems
easy
If you have 24 candies and you buy 44 more candies, how many candies do you have in total?
68
Add initial 24 plus bought 44: 24+44=68.
addition_word
5,503
algebra
easy
Solve for x: 11x + 14 = -162
-16
Subtract 14 from both sides: 11x = -162-14=-176. Then divide by 11: x = -176/11 = -16.
linear_equation
5,504
algebra
medium
Solve for x: x^2 + 6x = 0
x = -6, 0
Factor: (x - -6)(x - 0) = x^2 -(-6)x + 0 = 0. So x = -6 or 0. Check sum = -6, product = 0.
quadratic
5,505
arithmetic
easy
What is 44 * 50?
2200
Multiply: 44 * 50 = 2200.
basic_operations
5,506
exponents
easy
What is 6^3?
216
6^3 means multiply 6 by itself 3 times: 6*6*6 = 216.
exponents
5,507
percentages
easy
What is 63% of 256?
161.28
Calculate 63/100 * 256 = 0.63*256 = 161.28.
percentages
5,508
fractions
medium
What is 15/20 + 3/7? Give as simplified fraction.
33/28
Common denominator 20*7=140. 15/20=105/140, 3/7=60/140. Sum = 165/140 = 33/28 simplified.
fraction_operations
5,509
algebra
easy
Solve for x: 3x - 39 = -90
-17
Add 39 to both sides: 3x = -90+39=-51. Then x = -51/3 = -17.
linear_equation
5,510
arithmetic
easy
What is 16215 / 69?
235
Divide: 16215 ÷ 69 = 235 because 69*235=16215.
division
5,511
percentages
easy
What is 90% of 355?
319.5
Calculate 90/100 * 355 = 0.9*355 = 319.5.
percentages
5,512
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
5,513
arithmetic
easy
What is 939 - 686?
253
Subtract: 939 - 686 = 253.
basic_operations
5,514
statistics
easy
What is the mean (average) of 89, 5, 81, 29?
51
Mean = sum/count. Sum = 89+5+81+29=204. Count=4. Mean=204/4=51.0.
mean
5,515
algebra
easy
Solve for x: 12x - 37 = 167
17
Add 37 to both sides: 12x = 167+37=204. Then x = 204/12 = 17.
linear_equation
5,516
geometry
easy
Find the area of a circle with radius 12. Use pi=3.14159, round to 2 decimals.
452.39
Area = pi*r^2 = 3.14159*12^2 = 3.14159*144 = 452.39.
circle_area
5,517
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
5,518
arithmetic
easy
What is 3445 / 65?
53
Divide: 3445 ÷ 65 = 53 because 65*53=3445.
division
5,519
algebra
easy
Solve for x: 16x - 1 = -65
-4
Add 1 to both sides: 16x = -65+1=-64. Then x = -64/16 = -4.
linear_equation
5,520
percentages
easy
What is 29% of 571?
165.59
Calculate 29/100 * 571 = 0.29*571 = 165.59.
percentages
5,521
word_problems
easy
If you have 28 apples and you buy 11 more apples, how many apples do you have in total?
39
Add initial 28 plus bought 11: 28+11=39.
addition_word
5,522
number_theory
medium
What is the GCD (greatest common divisor) of 38 and 20?
2
Find greatest number dividing both 38 and 20. Divisors common, greatest is 2.
gcd
5,523
arithmetic
easy
What is 4550 / 50?
91
Divide: 4550 ÷ 50 = 91 because 50*91=4550.
division
5,524
geometry
easy
Find the area of a triangle with base 83 and height 49.
2033.5
Area = 0.5*base*height = 0.5*83*49 = 2033.5.
triangle_area
5,525
fractions
medium
What is 7/2 + 18/8? Give as simplified fraction.
23/4
Common denominator 2*8=16. 7/2=56/16, 18/8=36/16. Sum = 92/16 = 23/4 simplified.
fraction_operations
5,526
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
5,527
word_problems
easy
If you have 7 pencils and you buy 20 more pencils, how many pencils do you have in total?
27
Add initial 7 plus bought 20: 7+20=27.
addition_word
5,528
statistics
easy
What is the mean (average) of 77, 75, 43, 2, 35?
46.4
Mean = sum/count. Sum = 77+75+43+2+35=232. Count=5. Mean=232/5=46.4.
mean
5,529
word_problems
easy
If you have 7 apples and you buy 11 more apples, how many apples do you have in total?
18
Add initial 7 plus bought 11: 7+11=18.
addition_word
5,530
number_theory
medium
What is the LCM (least common multiple) of 79 and 88?
6952
LCM = |79*88| / GCD(79,88). GCD=1, so LCM=6952/1=6952.
lcm
5,531
number_theory
medium
What is the LCM (least common multiple) of 10 and 79?
790
LCM = |10*79| / GCD(10,79). GCD=1, so LCM=790/1=790.
lcm
5,532
fractions
medium
What is 15/17 - 9/7? Give as simplified fraction.
-48/119
Common denominator 119. Numerator 105-153=-48. So -48/119 simplifies to -48/119.
fraction_operations
5,533
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
5,534
fractions
medium
What is 6/12 - 14/9? Give as simplified fraction.
-19/18
Common denominator 108. Numerator 54-168=-114. So -114/108 simplifies to -19/18.
fraction_operations
5,535
algebra
medium
Solve for x: x^2 - 9x + 20 = 0
x = 4, 5
Factor: (x - 4)(x - 5) = x^2 -(9)x + 20 = 0. So x = 4 or 5. Check sum = 9, product = 20.
quadratic
5,536
statistics
easy
What is the mean (average) of 22, 21, 46, 73?
40.5
Mean = sum/count. Sum = 22+21+46+73=162. Count=4. Mean=162/4=40.5.
mean
5,537
algebra
easy
Solve for x: 1x + 3 = -12
-15
Subtract 3 from both sides: 1x = -12-3=-15. Then divide by 1: x = -15/1 = -15.
linear_equation
5,538
calculus
medium
What is the derivative of 9x^4 with respect to x?
36x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^4] = 9*4*x^3 = 36x^3.
derivative
5,539
arithmetic
easy
What is 146 + 829 * 78? Remember order of operations.
64808
Order of operations (PEMDAS): first 829*78=64662, then 146+64662=64808.
basic_operations
5,540
number_theory
medium
What is the GCD (greatest common divisor) of 74 and 93?
1
Find greatest number dividing both 74 and 93. Divisors common, greatest is 1.
gcd
5,541
algebra
easy
Solve for x: 19x - 14 = -261
-13
Add 14 to both sides: 19x = -261+14=-247. Then x = -247/19 = -13.
linear_equation
5,542
arithmetic
easy
What is 947 + 331 * 99? Remember order of operations.
33716
Order of operations (PEMDAS): first 331*99=32769, then 947+32769=33716.
basic_operations
5,543
algebra
easy
Solve for x: 19x - 10 = -10
0
Add 10 to both sides: 19x = -10+10=0. Then x = 0/19 = 0.
linear_equation
5,544
calculus
medium
What is the derivative of 7x^3 with respect to x?
21x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^3] = 7*3*x^2 = 21x^2.
derivative
5,545
percentages
easy
What is 60% of 685?
411
Calculate 60/100 * 685 = 0.6*685 = 411.
percentages
5,546
algebra
easy
Solve for x: 14x - 28 = 238
19
Add 28 to both sides: 14x = 238+28=266. Then x = 266/14 = 19.
linear_equation
5,547
exponents
easy
What is 12^3?
1728
12^3 means multiply 12 by itself 3 times: 12*12*12 = 1728.
exponents
5,548
arithmetic
easy
What is 442 - 387?
55
Subtract: 442 - 387 = 55.
basic_operations
5,549
arithmetic
easy
What is 685 + 662 * 71? Remember order of operations.
47687
Order of operations (PEMDAS): first 662*71=47002, then 685+47002=47687.
basic_operations
5,550
fractions
medium
What is 4/9 + 18/3? Give as simplified fraction.
58/9
Common denominator 9*3=27. 4/9=12/27, 18/3=162/27. Sum = 174/27 = 58/9 simplified.
fraction_operations
5,551
geometry
easy
Find the area of a triangle with base 69 and height 29.
1000.5
Area = 0.5*base*height = 0.5*69*29 = 1000.5.
triangle_area
5,552
algebra
medium
Solve for x: x^2 - 2x - 80 = 0
x = -8, 10
Factor: (x - -8)(x - 10) = x^2 -(2)x + -80 = 0. So x = -8 or 10. Check sum = 2, product = -80.
quadratic
5,553
arithmetic
easy
What is 182 + 871?
1053
Add the two numbers: 182 + 871 = 1053.
basic_operations
5,554
algebra
medium
Solve for x: x^2 + 7x - 8 = 0
x = -8, 1
Factor: (x - -8)(x - 1) = x^2 -(-7)x + -8 = 0. So x = -8 or 1. Check sum = -7, product = -8.
quadratic
5,555
exponents
easy
What is 10^2?
100
10^2 means multiply 10 by itself 2 times: 10*10 = 100.
exponents
5,556
number_theory
medium
What is the LCM (least common multiple) of 69 and 20?
1380
LCM = |69*20| / GCD(69,20). GCD=1, so LCM=1380/1=1380.
lcm
5,557
calculus
medium
What is the indefinite integral of x^5 dx?
x^6/6 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^5 = x^6/6 + C.
integral
5,558
statistics
easy
What is the mean (average) of 39, 2, 14, 98?
38.25
Mean = sum/count. Sum = 39+2+14+98=153. Count=4. Mean=153/4=38.25.
mean
5,559
arithmetic
easy
What is 11592 / 69?
168
Divide: 11592 ÷ 69 = 168 because 69*168=11592.
division
5,560
calculus
medium
What is the derivative of 5x^4 with respect to x?
20x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^4] = 5*4*x^3 = 20x^3.
derivative
5,561
algebra
easy
Solve for x: 1x - 45 = -41
4
Add 45 to both sides: 1x = -41+45=4. Then x = 4/1 = 4.
linear_equation
5,562
algebra
medium
Solve for x: x^2 - 14x + 48 = 0
x = 8, 6
Factor: (x - 8)(x - 6) = x^2 -(14)x + 48 = 0. So x = 8 or 6. Check sum = 14, product = 48.
quadratic
5,563
statistics
easy
What is the mean (average) of 82, 68, 62, 32?
61
Mean = sum/count. Sum = 82+68+62+32=244. Count=4. Mean=244/4=61.0.
mean
5,564
roots
easy
What is the square root of 1156?
34
Find number that when squared gives 1156. 34*34=1156, so sqrt(1156)=34.
square_roots
5,565
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
5,566
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
5,567
exponents
easy
What is 8^4?
4096
8^4 means multiply 8 by itself 4 times: 8*8*8*8 = 4096.
exponents
5,568
arithmetic
easy
What is 17394 / 78?
223
Divide: 17394 ÷ 78 = 223 because 78*223=17394.
division
5,569
exponents
easy
What is 12^3?
1728
12^3 means multiply 12 by itself 3 times: 12*12*12 = 1728.
exponents
5,570
arithmetic
easy
What is 5840 / 80?
73
Divide: 5840 ÷ 80 = 73 because 80*73=5840.
division
5,571
algebra
medium
Solve for x: x^2 + 12x + 32 = 0
x = -8, -4
Factor: (x - -8)(x - -4) = x^2 -(-12)x + 32 = 0. So x = -8 or -4. Check sum = -12, product = 32.
quadratic
5,572
algebra
medium
Solve for x: x^2 + 11x + 10 = 0
x = -10, -1
Factor: (x - -10)(x - -1) = x^2 -(-11)x + 10 = 0. So x = -10 or -1. Check sum = -11, product = 10.
quadratic
5,573
arithmetic
easy
What is 33 + 69 * 21? Remember order of operations.
1482
Order of operations (PEMDAS): first 69*21=1449, then 33+1449=1482.
basic_operations
5,574
arithmetic
easy
What is 14288 / 38?
376
Divide: 14288 ÷ 38 = 376 because 38*376=14288.
division
5,575
arithmetic
easy
What is 884 + 483 * 79? Remember order of operations.
39041
Order of operations (PEMDAS): first 483*79=38157, then 884+38157=39041.
basic_operations
5,576
calculus
medium
What is the indefinite integral of x^5 dx?
x^6/6 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^5 = x^6/6 + C.
integral
5,577
geometry
easy
Find the area of a triangle with base 89 and height 68.
3026
Area = 0.5*base*height = 0.5*89*68 = 3026.
triangle_area
5,578
arithmetic
easy
What is 7055 / 85?
83
Divide: 7055 ÷ 85 = 83 because 85*83=7055.
division
5,579
arithmetic
easy
What is 27072 / 96?
282
Divide: 27072 ÷ 96 = 282 because 96*282=27072.
division
5,580
percentages
easy
What is 56% of 433?
242.48
Calculate 56/100 * 433 = 0.56*433 = 242.48.
percentages
5,581
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
5,582
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
5,583
arithmetic
easy
What is 21 * 70?
1470
Multiply: 21 * 70 = 1470.
basic_operations
5,584
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
5,585
arithmetic
easy
What is 647 - 330?
317
Subtract: 647 - 330 = 317.
basic_operations
5,586
geometry
easy
Find the perimeter of a rectangle with length 68 and width 31.
198
Perimeter = 2*(length+width) = 2*(68+31) = 2*99 = 198.
rectangle_perim
5,587
arithmetic
easy
What is 21 * 54?
1134
Multiply: 21 * 54 = 1134.
basic_operations
5,588
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
5,589
arithmetic
easy
What is 90 + 56 * 51? Remember order of operations.
2946
Order of operations (PEMDAS): first 56*51=2856, then 90+2856=2946.
basic_operations
5,590
word_problems
easy
If you have 60 books and you buy 16 more books, how many books do you have in total?
76
Add initial 60 plus bought 16: 60+16=76.
addition_word
5,591
algebra
medium
Solve for x: x^2 - 3x - 28 = 0
x = 7, -4
Factor: (x - 7)(x - -4) = x^2 -(3)x + -28 = 0. So x = 7 or -4. Check sum = 3, product = -28.
quadratic
5,592
calculus
medium
What is the derivative of 4x^7 with respect to x?
28x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^7] = 4*7*x^6 = 28x^6.
derivative
5,593
fractions
medium
What is 16/15 - 3/18? Give as simplified fraction.
9/10
Common denominator 270. Numerator 288-45=243. So 243/270 simplifies to 9/10.
fraction_operations
5,594
arithmetic
easy
What is 40578 divided by 82? Give answer to 2 decimal places.
494.85
Calculate 40578/ 82 = 494.8537, rounded to 2 decimals is 494.85.
division
5,595
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
5,596
arithmetic
easy
What is 7359 / 33?
223
Divide: 7359 ÷ 33 = 223 because 33*223=7359.
division
5,597
arithmetic
easy
What is 997 + 77?
1074
Add the two numbers: 997 + 77 = 1074.
basic_operations
5,598
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
5,599
algebra
easy
Solve for x: 4x + 36 = 92
14
Subtract 36 from both sides: 4x = 92-36=56. Then divide by 4: x = 56/4 = 14.
linear_equation
5,600
percentages
easy
What is 45% of 920?
414
Calculate 45/100 * 920 = 0.45*920 = 414.
percentages