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
4,301
arithmetic
easy
What is 15168 / 32?
474
Divide: 15168 ÷ 32 = 474 because 32*474=15168.
division
4,302
algebra
medium
Solve for x: x^2 - 17x + 70 = 0
x = 7, 10
Factor: (x - 7)(x - 10) = x^2 -(17)x + 70 = 0. So x = 7 or 10. Check sum = 17, product = 70.
quadratic
4,303
fractions
medium
What is 1/15 * 3/12? Give as simplified fraction.
1/60
Multiply numerators: 1*3=3. Denominators: 15*12=180. Simplify by gcd 3 to get 1/60.
fraction_operations
4,304
percentages
easy
What is 62% of 22?
13.64
Calculate 62/100 * 22 = 0.62*22 = 13.64.
percentages
4,305
arithmetic
easy
What is 8586 / 18?
477
Divide: 8586 ÷ 18 = 477 because 18*477=8586.
division
4,306
exponents
easy
What is 12^4?
20736
12^4 means multiply 12 by itself 4 times: 12*12*12*12 = 20736.
exponents
4,307
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
4,308
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
4,309
algebra
medium
Solve for x: x^2 + 6x - 7 = 0
x = 1, -7
Factor: (x - 1)(x - -7) = x^2 -(-6)x + -7 = 0. So x = 1 or -7. Check sum = -6, product = -7.
quadratic
4,310
exponents
easy
What is 6^2?
36
6^2 means multiply 6 by itself 2 times: 6*6 = 36.
exponents
4,311
arithmetic
easy
What is 160 + 895?
1055
Add the two numbers: 160 + 895 = 1055.
basic_operations
4,312
arithmetic
easy
What is 798 - 789?
9
Subtract: 798 - 789 = 9.
basic_operations
4,313
arithmetic
easy
What is 22968 / 99?
232
Divide: 22968 ÷ 99 = 232 because 99*232=22968.
division
4,314
word_problems
easy
If you have 70 candies and you buy 8 more candies, how many candies do you have in total?
78
Add initial 70 plus bought 8: 70+8=78.
addition_word
4,315
geometry
easy
Find the area of a rectangle with length 46 and width 12.
552
Area = length * width = 46*12 = 552.
rectangle_area
4,316
number_theory
medium
What is the GCD (greatest common divisor) of 23 and 50?
1
Find greatest number dividing both 23 and 50. Divisors common, greatest is 1.
gcd
4,317
geometry
easy
Find the area of a rectangle with length 80 and width 99.
7920
Area = length * width = 80*99 = 7920.
rectangle_area
4,318
arithmetic
easy
What is 167 + 65 * 19? Remember order of operations.
1402
Order of operations (PEMDAS): first 65*19=1235, then 167+1235=1402.
basic_operations
4,319
fractions
medium
What is 16/13 - 1/12? Give as simplified fraction.
179/156
Common denominator 156. Numerator 192-13=179. So 179/156 simplifies to 179/156.
fraction_operations
4,320
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
4,321
calculus
medium
What is the derivative of 3x^3 with respect to x?
9x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^3] = 3*3*x^2 = 9x^2.
derivative
4,322
fractions
medium
What is 20/17 * 19/4? Give as simplified fraction.
95/17
Multiply numerators: 20*19=380. Denominators: 17*4=68. Simplify by gcd 4 to get 95/17.
fraction_operations
4,323
percentages
easy
What is 85% of 957?
813.45
Calculate 85/100 * 957 = 0.85*957 = 813.45.
percentages
4,324
statistics
easy
What is the mean (average) of 99, 59, 50, 42, 83?
66.6
Mean = sum/count. Sum = 99+59+50+42+83=333. Count=5. Mean=333/5=66.6.
mean
4,325
number_theory
medium
What is the GCD (greatest common divisor) of 26 and 6?
2
Find greatest number dividing both 26 and 6. Divisors common, greatest is 2.
gcd
4,326
word_problems
easy
If you have 29 pencils and you buy 1 more pencils, how many pencils do you have in total?
30
Add initial 29 plus bought 1: 29+1=30.
addition_word
4,327
number_theory
medium
What is the LCM (least common multiple) of 3 and 86?
258
LCM = |3*86| / GCD(3,86). GCD=1, so LCM=258/1=258.
lcm
4,328
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
4,329
arithmetic
easy
What is 993 + 323 * 60? Remember order of operations.
20373
Order of operations (PEMDAS): first 323*60=19380, then 993+19380=20373.
basic_operations
4,330
arithmetic
easy
What is 20826 / 78?
267
Divide: 20826 ÷ 78 = 267 because 78*267=20826.
division
4,331
algebra
easy
Solve for x: 16x + 13 = 253
15
Subtract 13 from both sides: 16x = 253-13=240. Then divide by 16: x = 240/16 = 15.
linear_equation
4,332
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
4,333
arithmetic
easy
What is 856 + 806 * 82? Remember order of operations.
66948
Order of operations (PEMDAS): first 806*82=66092, then 856+66092=66948.
basic_operations
4,334
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
4,335
arithmetic
easy
What is 880 - 110?
770
Subtract: 880 - 110 = 770.
basic_operations
4,336
algebra
easy
Solve for x: 9x - 2 = -101
-11
Add 2 to both sides: 9x = -101+2=-99. Then x = -99/9 = -11.
linear_equation
4,337
geometry
easy
Find the area of a circle with radius 27. Use pi=3.14159, round to 2 decimals.
2290.22
Area = pi*r^2 = 3.14159*27^2 = 3.14159*729 = 2290.22.
circle_area
4,338
arithmetic
easy
What is 999 + 544?
1543
Add the two numbers: 999 + 544 = 1543.
basic_operations
4,339
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
4,340
arithmetic
easy
What is 12 * 18?
216
Multiply: 12 * 18 = 216.
basic_operations
4,341
arithmetic
easy
What is 2832 / 48?
59
Divide: 2832 ÷ 48 = 59 because 48*59=2832.
division
4,342
roots
easy
What is the square root of 441?
21
Find number that when squared gives 441. 21*21=441, so sqrt(441)=21.
square_roots
4,343
arithmetic
easy
What is 7400 / 25?
296
Divide: 7400 ÷ 25 = 296 because 25*296=7400.
division
4,344
percentages
easy
What is 7% of 284?
19.88
Calculate 7/100 * 284 = 0.07*284 = 19.88.
percentages
4,345
exponents
easy
What is 10^2?
100
10^2 means multiply 10 by itself 2 times: 10*10 = 100.
exponents
4,346
exponents
easy
What is 10^4?
10000
10^4 means multiply 10 by itself 4 times: 10*10*10*10 = 10000.
exponents
4,347
arithmetic
easy
What is 20458 / 53?
386
Divide: 20458 ÷ 53 = 386 because 53*386=20458.
division
4,348
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
4,349
roots
easy
What is the square root of 324?
18
Find number that when squared gives 324. 18*18=324, so sqrt(324)=18.
square_roots
4,350
arithmetic
easy
What is 1 * 14?
14
Multiply: 1 * 14 = 14.
basic_operations
4,351
arithmetic
easy
What is 829 - 481?
348
Subtract: 829 - 481 = 348.
basic_operations
4,352
geometry
easy
Find the perimeter of a rectangle with length 76 and width 72.
296
Perimeter = 2*(length+width) = 2*(76+72) = 2*148 = 296.
rectangle_perim
4,353
percentages
easy
What is 11% of 343?
37.73
Calculate 11/100 * 343 = 0.11*343 = 37.73.
percentages
4,354
algebra
medium
Solve for x: x^2 - 5x - 50 = 0
x = -5, 10
Factor: (x - -5)(x - 10) = x^2 -(5)x + -50 = 0. So x = -5 or 10. Check sum = 5, product = -50.
quadratic
4,355
arithmetic
easy
What is 34115 divided by 82? Give answer to 2 decimal places.
416.04
Calculate 34115/ 82 = 416.0366, rounded to 2 decimals is 416.04.
division
4,356
fractions
medium
What is 5/7 - 17/9? Give as simplified fraction.
-74/63
Common denominator 63. Numerator 45-119=-74. So -74/63 simplifies to -74/63.
fraction_operations
4,357
arithmetic
easy
What is 94 * 100?
9400
Multiply: 94 * 100 = 9400.
basic_operations
4,358
statistics
easy
What is the mean (average) of 31, 8, 56, 28, 79?
40.4
Mean = sum/count. Sum = 31+8+56+28+79=202. Count=5. Mean=202/5=40.4.
mean
4,359
calculus
medium
What is the derivative of 9x^3 with respect to x?
27x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^3] = 9*3*x^2 = 27x^2.
derivative
4,360
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
4,361
calculus
medium
What is the derivative of 7x^6 with respect to x?
42x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^6] = 7*6*x^5 = 42x^5.
derivative
4,362
exponents
easy
What is 6^3?
216
6^3 means multiply 6 by itself 3 times: 6*6*6 = 216.
exponents
4,363
arithmetic
easy
What is 19905 divided by 92? Give answer to 2 decimal places.
216.36
Calculate 19905/ 92 = 216.3587, rounded to 2 decimals is 216.36.
division
4,364
arithmetic
easy
What is 118 + 416?
534
Add the two numbers: 118 + 416 = 534.
basic_operations
4,365
algebra
easy
Solve for x: 19x - 27 = 296
17
Add 27 to both sides: 19x = 296+27=323. Then x = 323/19 = 17.
linear_equation
4,366
arithmetic
easy
What is 11136 / 87?
128
Divide: 11136 ÷ 87 = 128 because 87*128=11136.
division
4,367
percentages
easy
What is 32% of 763?
244.16
Calculate 32/100 * 763 = 0.32*763 = 244.16.
percentages
4,368
arithmetic
easy
What is 749 + 74 * 88? Remember order of operations.
7261
Order of operations (PEMDAS): first 74*88=6512, then 749+6512=7261.
basic_operations
4,369
fractions
medium
What is 9/5 * 19/2? Give as simplified fraction.
171/10
Multiply numerators: 9*19=171. Denominators: 5*2=10. Simplify by gcd 1 to get 171/10.
fraction_operations
4,370
fractions
medium
What is 4/2 - 14/5? Give as simplified fraction.
-4/5
Common denominator 10. Numerator 20-28=-8. So -8/10 simplifies to -4/5.
fraction_operations
4,371
fractions
medium
What is 15/6 - 5/5? Give as simplified fraction.
3/2
Common denominator 30. Numerator 75-30=45. So 45/30 simplifies to 3/2.
fraction_operations
4,372
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
4,373
calculus
medium
What is the derivative of 9x^7 with respect to x?
63x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^7] = 9*7*x^6 = 63x^6.
derivative
4,374
geometry
easy
Find the circumference of a circle with radius 43. Use pi=3.14159, round to 2 decimals.
270.18
Circumference = 2*pi*r = 2*3.14159*43 = 270.18.
circle_circum
4,375
fractions
medium
What is 5/8 + 13/13? Give as simplified fraction.
13/8
Common denominator 8*13=104. 5/8=65/104, 13/13=104/104. Sum = 169/104 = 13/8 simplified.
fraction_operations
4,376
percentages
easy
What is 63% of 501?
315.63
Calculate 63/100 * 501 = 0.63*501 = 315.63.
percentages
4,377
geometry
easy
Find the circumference of a circle with radius 4. Use pi=3.14159, round to 2 decimals.
25.13
Circumference = 2*pi*r = 2*3.14159*4 = 25.13.
circle_circum
4,378
geometry
easy
Find the area of a rectangle with length 56 and width 60.
3360
Area = length * width = 56*60 = 3360.
rectangle_area
4,379
algebra
medium
Solve for x: x^2 + 18x + 81 = 0
x = -9
Factor as (x - -9)^2 = 0, so root is -9 (double root). Sum of roots = -18, product = 81.
quadratic
4,380
word_problems
easy
If you have 72 books and you buy 19 more books, how many books do you have in total?
91
Add initial 72 plus bought 19: 72+19=91.
addition_word
4,381
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
4,382
exponents
easy
What is 4^4?
256
4^4 means multiply 4 by itself 4 times: 4*4*4*4 = 256.
exponents
4,383
geometry
easy
Find the perimeter of a rectangle with length 55 and width 99.
308
Perimeter = 2*(length+width) = 2*(55+99) = 2*154 = 308.
rectangle_perim
4,384
arithmetic
easy
What is 9 * 76?
684
Multiply: 9 * 76 = 684.
basic_operations
4,385
exponents
easy
What is 12^3?
1728
12^3 means multiply 12 by itself 3 times: 12*12*12 = 1728.
exponents
4,386
word_problems
easy
If you have 30 dollars and you buy 45 more dollars, how many dollars do you have in total?
75
Add initial 30 plus bought 45: 30+45=75.
addition_word
4,387
statistics
easy
What is the mean (average) of 35, 21, 62, 29?
36.75
Mean = sum/count. Sum = 35+21+62+29=147. Count=4. Mean=147/4=36.75.
mean
4,388
word_problems
easy
If you have 22 books and you buy 2 more books, how many books do you have in total?
24
Add initial 22 plus bought 2: 22+2=24.
addition_word
4,389
statistics
easy
What is the mean (average) of 29, 71, 66, 83?
62.25
Mean = sum/count. Sum = 29+71+66+83=249. Count=4. Mean=249/4=62.25.
mean
4,390
algebra
easy
Solve for x: 4x - 16 = -4
3
Add 16 to both sides: 4x = -4+16=12. Then x = 12/4 = 3.
linear_equation
4,391
geometry
easy
Find the area of a rectangle with length 35 and width 85.
2975
Area = length * width = 35*85 = 2975.
rectangle_area
4,392
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
4,393
arithmetic
easy
What is 581 + 981?
1562
Add the two numbers: 581 + 981 = 1562.
basic_operations
4,394
geometry
easy
Find the perimeter of a rectangle with length 97 and width 86.
366
Perimeter = 2*(length+width) = 2*(97+86) = 2*183 = 366.
rectangle_perim
4,395
algebra
medium
Solve for x: x^2 - 15x + 50 = 0
x = 10, 5
Factor: (x - 10)(x - 5) = x^2 -(15)x + 50 = 0. So x = 10 or 5. Check sum = 15, product = 50.
quadratic
4,396
arithmetic
easy
What is 982 - 153?
829
Subtract: 982 - 153 = 829.
basic_operations
4,397
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
4,398
roots
easy
What is the square root of 1?
1
Find number that when squared gives 1. 1*1=1, so sqrt(1)=1.
square_roots
4,399
statistics
easy
What is the mean (average) of 24, 14, 94?
44
Mean = sum/count. Sum = 24+14+94=132. Count=3. Mean=132/3=44.0.
mean
4,400
exponents
easy
What is 8^4?
4096
8^4 means multiply 8 by itself 4 times: 8*8*8*8 = 4096.
exponents