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
730,401
fractions
medium
What is 10/4 + 16/5? Give as simplified fraction.
57/10
Common denominator 4*5=20. 10/4=50/20, 16/5=64/20. Sum = 114/20 = 57/10 simplified.
fraction_operations
730,402
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
730,403
statistics
easy
What is the mean (average) of 87, 46, 1, 60?
48.5
Mean = sum/count. Sum = 87+46+1+60=194. Count=4. Mean=194/4=48.5.
mean
730,404
number_theory
medium
What is the LCM (least common multiple) of 91 and 5?
455
LCM = |91*5| / GCD(91,5). GCD=1, so LCM=455/1=455.
lcm
730,405
word_problems
easy
If you have 23 pencils and you buy 26 more pencils, how many pencils do you have in total?
49
Add initial 23 plus bought 26: 23+26=49.
addition_word
730,406
fractions
medium
What is 2/7 - 20/13? Give as simplified fraction.
-114/91
Common denominator 91. Numerator 26-140=-114. So -114/91 simplifies to -114/91.
fraction_operations
730,407
number_theory
medium
What is the LCM (least common multiple) of 57 and 95?
285
LCM = |57*95| / GCD(57,95). GCD=19, so LCM=5415/19=285.
lcm
730,408
arithmetic
easy
What is 942 - 113?
829
Subtract: 942 - 113 = 829.
basic_operations
730,409
arithmetic
easy
What is 78 * 90?
7020
Multiply: 78 * 90 = 7020.
basic_operations
730,410
fractions
medium
What is 15/18 * 19/9? Give as simplified fraction.
95/54
Multiply numerators: 15*19=285. Denominators: 18*9=162. Simplify by gcd 3 to get 95/54.
fraction_operations
730,411
percentages
easy
What is 76% of 267?
202.92
Calculate 76/100 * 267 = 0.76*267 = 202.92.
percentages
730,412
geometry
easy
Find the area of a circle with radius 42. Use pi=3.14159, round to 2 decimals.
5541.77
Area = pi*r^2 = 3.14159*42^2 = 3.14159*1764 = 5541.77.
circle_area
730,413
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
730,414
calculus
medium
What is the derivative of 9x^8 with respect to x?
72x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^8] = 9*8*x^7 = 72x^7.
derivative
730,415
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
730,416
fractions
medium
What is 8/12 * 3/19? Give as simplified fraction.
2/19
Multiply numerators: 8*3=24. Denominators: 12*19=228. Simplify by gcd 12 to get 2/19.
fraction_operations
730,417
algebra
medium
Solve for x: x^2 + 15x + 50 = 0
x = -5, -10
Factor: (x - -5)(x - -10) = x^2 -(-15)x + 50 = 0. So x = -5 or -10. Check sum = -15, product = 50.
quadratic
730,418
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
730,419
arithmetic
easy
What is 293 + 919 * 95? Remember order of operations.
87598
Order of operations (PEMDAS): first 919*95=87305, then 293+87305=87598.
basic_operations
730,420
geometry
easy
Find the perimeter of a rectangle with length 94 and width 43.
274
Perimeter = 2*(length+width) = 2*(94+43) = 2*137 = 274.
rectangle_perim
730,421
algebra
easy
Solve for x: 1x - 5 = 9
14
Add 5 to both sides: 1x = 9+5=14. Then x = 14/1 = 14.
linear_equation
730,422
number_theory
medium
What is the GCD (greatest common divisor) of 93 and 7?
1
Find greatest number dividing both 93 and 7. Divisors common, greatest is 1.
gcd
730,423
percentages
easy
What is 77% of 929?
715.33
Calculate 77/100 * 929 = 0.77*929 = 715.33.
percentages
730,424
algebra
easy
Solve for x: 16x + 10 = 234
14
Subtract 10 from both sides: 16x = 234-10=224. Then divide by 16: x = 224/16 = 14.
linear_equation
730,425
arithmetic
easy
What is 81 + 67 * 48? Remember order of operations.
3297
Order of operations (PEMDAS): first 67*48=3216, then 81+3216=3297.
basic_operations
730,426
percentages
easy
What is 23% of 70?
16.1
Calculate 23/100 * 70 = 0.23*70 = 16.1.
percentages
730,427
arithmetic
easy
What is 906 - 855?
51
Subtract: 906 - 855 = 51.
basic_operations
730,428
calculus
medium
What is the derivative of 4x^4 with respect to x?
16x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^4] = 4*4*x^3 = 16x^3.
derivative
730,429
calculus
medium
What is the derivative of 6x^8 with respect to x?
48x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^8] = 6*8*x^7 = 48x^7.
derivative
730,430
exponents
easy
What is 11^5?
161051
11^5 means multiply 11 by itself 5 times: 11*11*11*11*11 = 161051.
exponents
730,431
exponents
easy
What is 4^3?
64
4^3 means multiply 4 by itself 3 times: 4*4*4 = 64.
exponents
730,432
arithmetic
easy
What is 69 * 46?
3174
Multiply: 69 * 46 = 3174.
basic_operations
730,433
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
730,434
arithmetic
easy
What is 237 divided by 24? Give answer to 2 decimal places.
9.88
Calculate 237/ 24 = 9.8750, rounded to 2 decimals is 9.88.
division
730,435
geometry
easy
Find the circumference of a circle with radius 46. Use pi=3.14159, round to 2 decimals.
289.03
Circumference = 2*pi*r = 2*3.14159*46 = 289.03.
circle_circum
730,436
word_problems
easy
If you have 74 dollars and you buy 16 more dollars, how many dollars do you have in total?
90
Add initial 74 plus bought 16: 74+16=90.
addition_word
730,437
number_theory
medium
What is the GCD (greatest common divisor) of 64 and 3?
1
Find greatest number dividing both 64 and 3. Divisors common, greatest is 1.
gcd
730,438
algebra
medium
Solve for x: x^2 + 16x + 60 = 0
x = -6, -10
Factor: (x - -6)(x - -10) = x^2 -(-16)x + 60 = 0. So x = -6 or -10. Check sum = -16, product = 60.
quadratic
730,439
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
730,440
arithmetic
easy
What is 22850 / 50?
457
Divide: 22850 ÷ 50 = 457 because 50*457=22850.
division
730,441
geometry
easy
Find the area of a triangle with base 32 and height 61.
976
Area = 0.5*base*height = 0.5*32*61 = 976.
triangle_area
730,442
arithmetic
easy
What is 400 + 582?
982
Add the two numbers: 400 + 582 = 982.
basic_operations
730,443
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
730,444
exponents
easy
What is 3^5?
243
3^5 means multiply 3 by itself 5 times: 3*3*3*3*3 = 243.
exponents
730,445
algebra
easy
Solve for x: 12x - 16 = -4
1
Add 16 to both sides: 12x = -4+16=12. Then x = 12/12 = 1.
linear_equation
730,446
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
730,447
statistics
easy
What is the mean (average) of 94, 51, 8, 76?
57.25
Mean = sum/count. Sum = 94+51+8+76=229. Count=4. Mean=229/4=57.25.
mean
730,448
fractions
medium
What is 17/3 - 19/18? Give as simplified fraction.
83/18
Common denominator 54. Numerator 306-57=249. So 249/54 simplifies to 83/18.
fraction_operations
730,449
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
730,450
geometry
easy
Find the circumference of a circle with radius 49. Use pi=3.14159, round to 2 decimals.
307.88
Circumference = 2*pi*r = 2*3.14159*49 = 307.88.
circle_circum
730,451
arithmetic
easy
What is 146 + 498 * 10? Remember order of operations.
5126
Order of operations (PEMDAS): first 498*10=4980, then 146+4980=5126.
basic_operations
730,452
arithmetic
easy
What is 89 * 25?
2225
Multiply: 89 * 25 = 2225.
basic_operations
730,453
algebra
medium
Solve for x: x^2 + 2x - 48 = 0
x = 6, -8
Factor: (x - 6)(x - -8) = x^2 -(-2)x + -48 = 0. So x = 6 or -8. Check sum = -2, product = -48.
quadratic
730,454
exponents
easy
What is 5^2?
25
5^2 means multiply 5 by itself 2 times: 5*5 = 25.
exponents
730,455
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
730,456
exponents
easy
What is 2^2?
4
2^2 means multiply 2 by itself 2 times: 2*2 = 4.
exponents
730,457
calculus
medium
What is the derivative of 10x^4 with respect to x?
40x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^4] = 10*4*x^3 = 40x^3.
derivative
730,458
number_theory
medium
What is the LCM (least common multiple) of 12 and 74?
444
LCM = |12*74| / GCD(12,74). GCD=2, so LCM=888/2=444.
lcm
730,459
roots
easy
What is the square root of 64?
8
Find number that when squared gives 64. 8*8=64, so sqrt(64)=8.
square_roots
730,460
arithmetic
easy
What is 36026 divided by 89? Give answer to 2 decimal places.
404.79
Calculate 36026/ 89 = 404.7865, rounded to 2 decimals is 404.79.
division
730,461
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
730,462
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
730,463
geometry
easy
Find the circumference of a circle with radius 22. Use pi=3.14159, round to 2 decimals.
138.23
Circumference = 2*pi*r = 2*3.14159*22 = 138.23.
circle_circum
730,464
number_theory
medium
What is the GCD (greatest common divisor) of 66 and 83?
1
Find greatest number dividing both 66 and 83. Divisors common, greatest is 1.
gcd
730,465
arithmetic
easy
What is 210 + 215?
425
Add the two numbers: 210 + 215 = 425.
basic_operations
730,466
word_problems
easy
If you have 48 apples and you buy 21 more apples, how many apples do you have in total?
69
Add initial 48 plus bought 21: 48+21=69.
addition_word
730,467
arithmetic
easy
What is 7527 / 39?
193
Divide: 7527 ÷ 39 = 193 because 39*193=7527.
division
730,468
exponents
easy
What is 6^5?
7776
6^5 means multiply 6 by itself 5 times: 6*6*6*6*6 = 7776.
exponents
730,469
exponents
easy
What is 5^2?
25
5^2 means multiply 5 by itself 2 times: 5*5 = 25.
exponents
730,470
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
730,471
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
730,472
algebra
easy
Solve for x: 12x + 35 = 191
13
Subtract 35 from both sides: 12x = 191-35=156. Then divide by 12: x = 156/12 = 13.
linear_equation
730,473
arithmetic
easy
What is 220 + 992?
1212
Add the two numbers: 220 + 992 = 1212.
basic_operations
730,474
algebra
medium
Solve for x: x^2 + 1x - 30 = 0
x = 5, -6
Factor: (x - 5)(x - -6) = x^2 -(-1)x + -30 = 0. So x = 5 or -6. Check sum = -1, product = -30.
quadratic
730,475
percentages
easy
What is 17% of 164?
27.88
Calculate 17/100 * 164 = 0.17*164 = 27.88.
percentages
730,476
word_problems
easy
If you have 80 candies and you buy 11 more candies, how many candies do you have in total?
91
Add initial 80 plus bought 11: 80+11=91.
addition_word
730,477
arithmetic
easy
What is 627 - 79?
548
Subtract: 627 - 79 = 548.
basic_operations
730,478
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
730,479
algebra
easy
Solve for x: 3x - 20 = -8
4
Add 20 to both sides: 3x = -8+20=12. Then x = 12/3 = 4.
linear_equation
730,480
arithmetic
easy
What is 31 + 159?
190
Add the two numbers: 31 + 159 = 190.
basic_operations
730,481
statistics
easy
What is the mean (average) of 36, 85, 92, 48, 30?
58.2
Mean = sum/count. Sum = 36+85+92+48+30=291. Count=5. Mean=291/5=58.2.
mean
730,482
word_problems
easy
If you have 73 books and you buy 13 more books, how many books do you have in total?
86
Add initial 73 plus bought 13: 73+13=86.
addition_word
730,483
statistics
easy
What is the mean (average) of 64, 92, 88, 91, 22?
71.4
Mean = sum/count. Sum = 64+92+88+91+22=357. Count=5. Mean=357/5=71.4.
mean
730,484
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
730,485
algebra
medium
Solve for x: x^2 - 1x - 12 = 0
x = 4, -3
Factor: (x - 4)(x - -3) = x^2 -(1)x + -12 = 0. So x = 4 or -3. Check sum = 1, product = -12.
quadratic
730,486
algebra
medium
Solve for x: x^2 - 7x + 12 = 0
x = 3, 4
Factor: (x - 3)(x - 4) = x^2 -(7)x + 12 = 0. So x = 3 or 4. Check sum = 7, product = 12.
quadratic
730,487
calculus
medium
What is the derivative of 4x^6 with respect to x?
24x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^6] = 4*6*x^5 = 24x^5.
derivative
730,488
exponents
easy
What is 10^5?
100000
10^5 means multiply 10 by itself 5 times: 10*10*10*10*10 = 100000.
exponents
730,489
arithmetic
easy
What is 851 + 317 * 11? Remember order of operations.
4338
Order of operations (PEMDAS): first 317*11=3487, then 851+3487=4338.
basic_operations
730,490
arithmetic
easy
What is 636 + 352 * 69? Remember order of operations.
24924
Order of operations (PEMDAS): first 352*69=24288, then 636+24288=24924.
basic_operations
730,491
arithmetic
easy
What is 1464 / 6?
244
Divide: 1464 ÷ 6 = 244 because 6*244=1464.
division
730,492
percentages
easy
What is 80% of 732?
585.6
Calculate 80/100 * 732 = 0.8*732 = 585.6.
percentages
730,493
number_theory
medium
What is the LCM (least common multiple) of 51 and 29?
1479
LCM = |51*29| / GCD(51,29). GCD=1, so LCM=1479/1=1479.
lcm
730,494
roots
easy
What is the square root of 900?
30
Find number that when squared gives 900. 30*30=900, so sqrt(900)=30.
square_roots
730,495
fractions
medium
What is 4/20 + 17/3? Give as simplified fraction.
88/15
Common denominator 20*3=60. 4/20=12/60, 17/3=340/60. Sum = 352/60 = 88/15 simplified.
fraction_operations
730,496
geometry
easy
Find the area of a triangle with base 51 and height 73.
1861.5
Area = 0.5*base*height = 0.5*51*73 = 1861.5.
triangle_area
730,497
number_theory
medium
What is the LCM (least common multiple) of 31 and 1?
31
LCM = |31*1| / GCD(31,1). GCD=1, so LCM=31/1=31.
lcm
730,498
word_problems
easy
If you have 85 apples and you buy 13 more apples, how many apples do you have in total?
98
Add initial 85 plus bought 13: 85+13=98.
addition_word
730,499
calculus
medium
What is the derivative of 8x^6 with respect to x?
48x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^6] = 8*6*x^5 = 48x^5.
derivative
730,500
exponents
easy
What is 3^2?
9
3^2 means multiply 3 by itself 2 times: 3*3 = 9.
exponents