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
2,301
number_theory
medium
What is the GCD (greatest common divisor) of 30 and 75?
15
Find greatest number dividing both 30 and 75. Divisors common, greatest is 15.
gcd
2,302
word_problems
easy
If you have 70 dollars and you buy 40 more dollars, how many dollars do you have in total?
110
Add initial 70 plus bought 40: 70+40=110.
addition_word
2,303
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
2,304
word_problems
easy
If you have 60 dollars and you buy 27 more dollars, how many dollars do you have in total?
87
Add initial 60 plus bought 27: 60+27=87.
addition_word
2,305
statistics
easy
What is the mean (average) of 35, 49, 4, 23?
27.75
Mean = sum/count. Sum = 35+49+4+23=111. Count=4. Mean=111/4=27.75.
mean
2,306
word_problems
easy
If you have 34 apples and you buy 17 more apples, how many apples do you have in total?
51
Add initial 34 plus bought 17: 34+17=51.
addition_word
2,307
number_theory
medium
What is the GCD (greatest common divisor) of 11 and 38?
1
Find greatest number dividing both 11 and 38. Divisors common, greatest is 1.
gcd
2,308
geometry
easy
Find the perimeter of a rectangle with length 13 and width 16.
58
Perimeter = 2*(length+width) = 2*(13+16) = 2*29 = 58.
rectangle_perim
2,309
arithmetic
easy
What is 369 + 40?
409
Add the two numbers: 369 + 40 = 409.
basic_operations
2,310
roots
easy
What is the square root of 289?
17
Find number that when squared gives 289. 17*17=289, so sqrt(289)=17.
square_roots
2,311
exponents
easy
What is 12^4?
20736
12^4 means multiply 12 by itself 4 times: 12*12*12*12 = 20736.
exponents
2,312
fractions
medium
What is 20/6 + 18/10? Give as simplified fraction.
77/15
Common denominator 6*10=60. 20/6=200/60, 18/10=108/60. Sum = 308/60 = 77/15 simplified.
fraction_operations
2,313
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
2,314
calculus
medium
What is the derivative of 10x^5 with respect to x?
50x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^5] = 10*5*x^4 = 50x^4.
derivative
2,315
arithmetic
easy
What is 484 + 670?
1154
Add the two numbers: 484 + 670 = 1154.
basic_operations
2,316
percentages
easy
What is 30% of 741?
222.3
Calculate 30/100 * 741 = 0.3*741 = 222.3.
percentages
2,317
fractions
medium
What is 16/9 * 17/20? Give as simplified fraction.
68/45
Multiply numerators: 16*17=272. Denominators: 9*20=180. Simplify by gcd 4 to get 68/45.
fraction_operations
2,318
word_problems
easy
If you have 97 dollars and you buy 30 more dollars, how many dollars do you have in total?
127
Add initial 97 plus bought 30: 97+30=127.
addition_word
2,319
arithmetic
easy
What is 867 - 321?
546
Subtract: 867 - 321 = 546.
basic_operations
2,320
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
2,321
word_problems
easy
If you have 62 apples and you buy 36 more apples, how many apples do you have in total?
98
Add initial 62 plus bought 36: 62+36=98.
addition_word
2,322
number_theory
medium
What is the GCD (greatest common divisor) of 18 and 74?
2
Find greatest number dividing both 18 and 74. Divisors common, greatest is 2.
gcd
2,323
exponents
easy
What is 2^5?
32
2^5 means multiply 2 by itself 5 times: 2*2*2*2*2 = 32.
exponents
2,324
number_theory
medium
What is the LCM (least common multiple) of 44 and 29?
1276
LCM = |44*29| / GCD(44,29). GCD=1, so LCM=1276/1=1276.
lcm
2,325
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
2,326
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
2,327
exponents
easy
What is 7^2?
49
7^2 means multiply 7 by itself 2 times: 7*7 = 49.
exponents
2,328
arithmetic
easy
What is 945 - 143?
802
Subtract: 945 - 143 = 802.
basic_operations
2,329
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
2,330
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
2,331
calculus
medium
What is the derivative of 8x^3 with respect to x?
24x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^3] = 8*3*x^2 = 24x^2.
derivative
2,332
arithmetic
easy
What is 12848 / 44?
292
Divide: 12848 ÷ 44 = 292 because 44*292=12848.
division
2,333
arithmetic
easy
What is 23 * 5?
115
Multiply: 23 * 5 = 115.
basic_operations
2,334
statistics
easy
What is the mean (average) of 24, 26, 9?
19.67
Mean = sum/count. Sum = 24+26+9=59. Count=3. Mean=59/3=19.67.
mean
2,335
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
2,336
percentages
easy
What is 38% of 676?
256.88
Calculate 38/100 * 676 = 0.38*676 = 256.88.
percentages
2,337
arithmetic
easy
What is 2 * 22?
44
Multiply: 2 * 22 = 44.
basic_operations
2,338
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
2,339
algebra
medium
Solve for x: x^2 + 13x + 42 = 0
x = -7, -6
Factor: (x - -7)(x - -6) = x^2 -(-13)x + 42 = 0. So x = -7 or -6. Check sum = -13, product = 42.
quadratic
2,340
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
2,341
arithmetic
easy
What is 399 + 979?
1378
Add the two numbers: 399 + 979 = 1378.
basic_operations
2,342
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
2,343
algebra
medium
Solve for x: x^2 - 17x + 72 = 0
x = 9, 8
Factor: (x - 9)(x - 8) = x^2 -(17)x + 72 = 0. So x = 9 or 8. Check sum = 17, product = 72.
quadratic
2,344
exponents
easy
What is 11^3?
1331
11^3 means multiply 11 by itself 3 times: 11*11*11 = 1331.
exponents
2,345
word_problems
easy
If you have 40 apples and you buy 13 more apples, how many apples do you have in total?
53
Add initial 40 plus bought 13: 40+13=53.
addition_word
2,346
algebra
easy
Solve for x: 15x - 42 = 33
5
Add 42 to both sides: 15x = 33+42=75. Then x = 75/15 = 5.
linear_equation
2,347
percentages
easy
What is 68% of 337?
229.16
Calculate 68/100 * 337 = 0.68*337 = 229.16.
percentages
2,348
statistics
easy
What is the mean (average) of 60, 74, 6, 95?
58.75
Mean = sum/count. Sum = 60+74+6+95=235. Count=4. Mean=235/4=58.75.
mean
2,349
arithmetic
easy
What is 662 - 295?
367
Subtract: 662 - 295 = 367.
basic_operations
2,350
exponents
easy
What is 8^3?
512
8^3 means multiply 8 by itself 3 times: 8*8*8 = 512.
exponents
2,351
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
2,352
algebra
medium
Solve for x: x^2 - 12x + 27 = 0
x = 9, 3
Factor: (x - 9)(x - 3) = x^2 -(12)x + 27 = 0. So x = 9 or 3. Check sum = 12, product = 27.
quadratic
2,353
word_problems
easy
If you have 54 books and you buy 43 more books, how many books do you have in total?
97
Add initial 54 plus bought 43: 54+43=97.
addition_word
2,354
arithmetic
easy
What is 18616 / 52?
358
Divide: 18616 ÷ 52 = 358 because 52*358=18616.
division
2,355
algebra
medium
Solve for x: x^2 - 8x - 20 = 0
x = -2, 10
Factor: (x - -2)(x - 10) = x^2 -(8)x + -20 = 0. So x = -2 or 10. Check sum = 8, product = -20.
quadratic
2,356
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
2,357
fractions
medium
What is 16/15 - 18/5? Give as simplified fraction.
-38/15
Common denominator 75. Numerator 80-270=-190. So -190/75 simplifies to -38/15.
fraction_operations
2,358
arithmetic
easy
What is 774 - 108?
666
Subtract: 774 - 108 = 666.
basic_operations
2,359
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
2,360
arithmetic
easy
What is 89 * 87?
7743
Multiply: 89 * 87 = 7743.
basic_operations
2,361
calculus
medium
What is the derivative of 7x^4 with respect to x?
28x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^4] = 7*4*x^3 = 28x^3.
derivative
2,362
fractions
medium
What is 13/3 + 1/10? Give as simplified fraction.
133/30
Common denominator 3*10=30. 13/3=130/30, 1/10=3/30. Sum = 133/30 = 133/30 simplified.
fraction_operations
2,363
algebra
easy
Solve for x: 11x + 35 = 134
9
Subtract 35 from both sides: 11x = 134-35=99. Then divide by 11: x = 99/11 = 9.
linear_equation
2,364
statistics
easy
What is the mean (average) of 9, 11, 71, 85?
44
Mean = sum/count. Sum = 9+11+71+85=176. Count=4. Mean=176/4=44.0.
mean
2,365
percentages
easy
What is 92% of 973?
895.16
Calculate 92/100 * 973 = 0.92*973 = 895.16.
percentages
2,366
word_problems
easy
If you have 22 dollars and you buy 31 more dollars, how many dollars do you have in total?
53
Add initial 22 plus bought 31: 22+31=53.
addition_word
2,367
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
2,368
arithmetic
easy
What is 3628 divided by 24? Give answer to 2 decimal places.
151.17
Calculate 3628/ 24 = 151.1667, rounded to 2 decimals is 151.17.
division
2,369
algebra
medium
Solve for x: x^2 + 18x + 80 = 0
x = -8, -10
Factor: (x - -8)(x - -10) = x^2 -(-18)x + 80 = 0. So x = -8 or -10. Check sum = -18, product = 80.
quadratic
2,370
geometry
easy
Find the perimeter of a rectangle with length 57 and width 46.
206
Perimeter = 2*(length+width) = 2*(57+46) = 2*103 = 206.
rectangle_perim
2,371
algebra
medium
Solve for x: x^2 + 13x + 36 = 0
x = -4, -9
Factor: (x - -4)(x - -9) = x^2 -(-13)x + 36 = 0. So x = -4 or -9. Check sum = -13, product = 36.
quadratic
2,372
fractions
medium
What is 15/3 - 17/5? Give as simplified fraction.
8/5
Common denominator 15. Numerator 75-51=24. So 24/15 simplifies to 8/5.
fraction_operations
2,373
exponents
easy
What is 9^2?
81
9^2 means multiply 9 by itself 2 times: 9*9 = 81.
exponents
2,374
arithmetic
easy
What is 50 + 791?
841
Add the two numbers: 50 + 791 = 841.
basic_operations
2,375
number_theory
medium
What is the GCD (greatest common divisor) of 31 and 26?
1
Find greatest number dividing both 31 and 26. Divisors common, greatest is 1.
gcd
2,376
arithmetic
easy
What is 432 - 29?
403
Subtract: 432 - 29 = 403.
basic_operations
2,377
arithmetic
easy
What is 22 + 93 * 13? Remember order of operations.
1231
Order of operations (PEMDAS): first 93*13=1209, then 22+1209=1231.
basic_operations
2,378
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
2,379
arithmetic
easy
What is 7138 / 43?
166
Divide: 7138 ÷ 43 = 166 because 43*166=7138.
division
2,380
fractions
medium
What is 18/14 + 14/5? Give as simplified fraction.
143/35
Common denominator 14*5=70. 18/14=90/70, 14/5=196/70. Sum = 286/70 = 143/35 simplified.
fraction_operations
2,381
fractions
medium
What is 4/13 + 11/7? Give as simplified fraction.
171/91
Common denominator 13*7=91. 4/13=28/91, 11/7=143/91. Sum = 171/91 = 171/91 simplified.
fraction_operations
2,382
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
2,383
arithmetic
easy
What is 399 + 218 * 59? Remember order of operations.
13261
Order of operations (PEMDAS): first 218*59=12862, then 399+12862=13261.
basic_operations
2,384
geometry
easy
Find the area of a triangle with base 48 and height 6.
144
Area = 0.5*base*height = 0.5*48*6 = 144.
triangle_area
2,385
arithmetic
easy
What is 907 - 224?
683
Subtract: 907 - 224 = 683.
basic_operations
2,386
statistics
easy
What is the mean (average) of 92, 69, 73?
78
Mean = sum/count. Sum = 92+69+73=234. Count=3. Mean=234/3=78.0.
mean
2,387
algebra
medium
Solve for x: x^2 + 9x + 14 = 0
x = -2, -7
Factor: (x - -2)(x - -7) = x^2 -(-9)x + 14 = 0. So x = -2 or -7. Check sum = -9, product = 14.
quadratic
2,388
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
2,389
calculus
medium
What is the derivative of 3x^7 with respect to x?
21x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^7] = 3*7*x^6 = 21x^6.
derivative
2,390
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
2,391
roots
easy
What is the square root of 1849?
43
Find number that when squared gives 1849. 43*43=1849, so sqrt(1849)=43.
square_roots
2,392
statistics
easy
What is the mean (average) of 43, 3, 78?
41.33
Mean = sum/count. Sum = 43+3+78=124. Count=3. Mean=124/3=41.33.
mean
2,393
word_problems
easy
If you have 53 books and you buy 33 more books, how many books do you have in total?
86
Add initial 53 plus bought 33: 53+33=86.
addition_word
2,394
arithmetic
easy
What is 239 + 22?
261
Add the two numbers: 239 + 22 = 261.
basic_operations
2,395
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
2,396
percentages
easy
What is 80% of 82?
65.6
Calculate 80/100 * 82 = 0.8*82 = 65.6.
percentages
2,397
arithmetic
easy
What is 384 + 141 * 64? Remember order of operations.
9408
Order of operations (PEMDAS): first 141*64=9024, then 384+9024=9408.
basic_operations
2,398
calculus
medium
What is the derivative of 1x^3 with respect to x?
3x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^3] = 1*3*x^2 = 3x^2.
derivative
2,399
percentages
easy
What is 93% of 613?
570.09
Calculate 93/100 * 613 = 0.93*613 = 570.09.
percentages
2,400
word_problems
easy
If you have 99 books and you buy 22 more books, how many books do you have in total?
121
Add initial 99 plus bought 22: 99+22=121.
addition_word