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
731,301
arithmetic
easy
What is 877 + 856 * 33? Remember order of operations.
29125
Order of operations (PEMDAS): first 856*33=28248, then 877+28248=29125.
basic_operations
731,302
geometry
easy
Find the area of a triangle with base 69 and height 54.
1863
Area = 0.5*base*height = 0.5*69*54 = 1863.
triangle_area
731,303
arithmetic
easy
What is 935 + 755?
1690
Add the two numbers: 935 + 755 = 1690.
basic_operations
731,304
arithmetic
easy
What is 368 / 4?
92
Divide: 368 ÷ 4 = 92 because 4*92=368.
division
731,305
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
731,306
fractions
medium
What is 1/5 - 10/9? Give as simplified fraction.
-41/45
Common denominator 45. Numerator 9-50=-41. So -41/45 simplifies to -41/45.
fraction_operations
731,307
roots
easy
What is the square root of 625?
25
Find number that when squared gives 625. 25*25=625, so sqrt(625)=25.
square_roots
731,308
arithmetic
easy
What is 21 * 4?
84
Multiply: 21 * 4 = 84.
basic_operations
731,309
arithmetic
easy
What is 8 * 48?
384
Multiply: 8 * 48 = 384.
basic_operations
731,310
algebra
medium
Solve for x: x^2 + 12x + 32 = 0
x = -4, -8
Factor: (x - -4)(x - -8) = x^2 -(-12)x + 32 = 0. So x = -4 or -8. Check sum = -12, product = 32.
quadratic
731,311
geometry
easy
Find the area of a rectangle with length 78 and width 87.
6786
Area = length * width = 78*87 = 6786.
rectangle_area
731,312
algebra
easy
Solve for x: 2x + 11 = 37
13
Subtract 11 from both sides: 2x = 37-11=26. Then divide by 2: x = 26/2 = 13.
linear_equation
731,313
arithmetic
easy
What is 515 + 1 * 59? Remember order of operations.
574
Order of operations (PEMDAS): first 1*59=59, then 515+59=574.
basic_operations
731,314
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
731,315
arithmetic
easy
What is 1350 / 90?
15
Divide: 1350 ÷ 90 = 15 because 90*15=1350.
division
731,316
arithmetic
easy
What is 5 + 107 * 89? Remember order of operations.
9528
Order of operations (PEMDAS): first 107*89=9523, then 5+9523=9528.
basic_operations
731,317
algebra
easy
Solve for x: 16x - 12 = 52
4
Add 12 to both sides: 16x = 52+12=64. Then x = 64/16 = 4.
linear_equation
731,318
calculus
medium
What is the derivative of 6x^2 with respect to x?
12x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^2] = 6*2*x^1 = 12x.
derivative
731,319
number_theory
medium
What is the GCD (greatest common divisor) of 63 and 99?
9
Find greatest number dividing both 63 and 99. Divisors common, greatest is 9.
gcd
731,320
arithmetic
easy
What is 29308 / 68?
431
Divide: 29308 ÷ 68 = 431 because 68*431=29308.
division
731,321
roots
easy
What is the square root of 576?
24
Find number that when squared gives 576. 24*24=576, so sqrt(576)=24.
square_roots
731,322
statistics
easy
What is the mean (average) of 95, 47, 28, 35, 25?
46
Mean = sum/count. Sum = 95+47+28+35+25=230. Count=5. Mean=230/5=46.0.
mean
731,323
exponents
easy
What is 10^5?
100000
10^5 means multiply 10 by itself 5 times: 10*10*10*10*10 = 100000.
exponents
731,324
algebra
easy
Solve for x: 20x - 25 = -45
-1
Add 25 to both sides: 20x = -45+25=-20. Then x = -20/20 = -1.
linear_equation
731,325
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
731,326
arithmetic
easy
What is 18856 divided by 73? Give answer to 2 decimal places.
258.3
Calculate 18856/ 73 = 258.3014, rounded to 2 decimals is 258.3.
division
731,327
arithmetic
easy
What is 912 - 617?
295
Subtract: 912 - 617 = 295.
basic_operations
731,328
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
731,329
number_theory
medium
What is the LCM (least common multiple) of 25 and 21?
525
LCM = |25*21| / GCD(25,21). GCD=1, so LCM=525/1=525.
lcm
731,330
exponents
easy
What is 9^5?
59049
9^5 means multiply 9 by itself 5 times: 9*9*9*9*9 = 59049.
exponents
731,331
geometry
easy
Find the circumference of a circle with radius 2. Use pi=3.14159, round to 2 decimals.
12.57
Circumference = 2*pi*r = 2*3.14159*2 = 12.57.
circle_circum
731,332
word_problems
easy
If you have 52 books and you buy 39 more books, how many books do you have in total?
91
Add initial 52 plus bought 39: 52+39=91.
addition_word
731,333
number_theory
medium
What is the LCM (least common multiple) of 4 and 17?
68
LCM = |4*17| / GCD(4,17). GCD=1, so LCM=68/1=68.
lcm
731,334
algebra
easy
Solve for x: 8x + 49 = 209
20
Subtract 49 from both sides: 8x = 209-49=160. Then divide by 8: x = 160/8 = 20.
linear_equation
731,335
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
731,336
arithmetic
easy
What is 723 - 21?
702
Subtract: 723 - 21 = 702.
basic_operations
731,337
fractions
medium
What is 7/18 + 17/7? Give as simplified fraction.
355/126
Common denominator 18*7=126. 7/18=49/126, 17/7=306/126. Sum = 355/126 = 355/126 simplified.
fraction_operations
731,338
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
731,339
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
731,340
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
731,341
arithmetic
easy
What is 486 + 245?
731
Add the two numbers: 486 + 245 = 731.
basic_operations
731,342
fractions
medium
What is 18/4 * 8/8? Give as simplified fraction.
9/2
Multiply numerators: 18*8=144. Denominators: 4*8=32. Simplify by gcd 16 to get 9/2.
fraction_operations
731,343
statistics
easy
What is the mean (average) of 30, 78, 24, 86, 62?
56
Mean = sum/count. Sum = 30+78+24+86+62=280. Count=5. Mean=280/5=56.0.
mean
731,344
algebra
medium
Solve for x: x^2 + 3x - 18 = 0
x = 3, -6
Factor: (x - 3)(x - -6) = x^2 -(-3)x + -18 = 0. So x = 3 or -6. Check sum = -3, product = -18.
quadratic
731,345
fractions
medium
What is 15/15 * 20/3? Give as simplified fraction.
20/3
Multiply numerators: 15*20=300. Denominators: 15*3=45. Simplify by gcd 15 to get 20/3.
fraction_operations
731,346
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
731,347
number_theory
medium
What is the GCD (greatest common divisor) of 49 and 69?
1
Find greatest number dividing both 49 and 69. Divisors common, greatest is 1.
gcd
731,348
geometry
easy
Find the area of a triangle with base 44 and height 76.
1672
Area = 0.5*base*height = 0.5*44*76 = 1672.
triangle_area
731,349
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
731,350
algebra
medium
Solve for x: x^2 - 14x + 45 = 0
x = 9, 5
Factor: (x - 9)(x - 5) = x^2 -(14)x + 45 = 0. So x = 9 or 5. Check sum = 14, product = 45.
quadratic
731,351
percentages
easy
What is 99% of 442?
437.58
Calculate 99/100 * 442 = 0.99*442 = 437.58.
percentages
731,352
number_theory
medium
What is the GCD (greatest common divisor) of 89 and 54?
1
Find greatest number dividing both 89 and 54. Divisors common, greatest is 1.
gcd
731,353
exponents
easy
What is 5^3?
125
5^3 means multiply 5 by itself 3 times: 5*5*5 = 125.
exponents
731,354
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
731,355
algebra
easy
Solve for x: 18x - 22 = -310
-16
Add 22 to both sides: 18x = -310+22=-288. Then x = -288/18 = -16.
linear_equation
731,356
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
731,357
fractions
medium
What is 15/6 + 8/10? Give as simplified fraction.
33/10
Common denominator 6*10=60. 15/6=150/60, 8/10=48/60. Sum = 198/60 = 33/10 simplified.
fraction_operations
731,358
number_theory
medium
What is the GCD (greatest common divisor) of 39 and 69?
3
Find greatest number dividing both 39 and 69. Divisors common, greatest is 3.
gcd
731,359
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
731,360
percentages
easy
What is 45% of 647?
291.15
Calculate 45/100 * 647 = 0.45*647 = 291.15.
percentages
731,361
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
731,362
arithmetic
easy
What is 3003 / 7?
429
Divide: 3003 ÷ 7 = 429 because 7*429=3003.
division
731,363
arithmetic
easy
What is 2301 / 59?
39
Divide: 2301 ÷ 59 = 39 because 59*39=2301.
division
731,364
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
731,365
number_theory
medium
What is the LCM (least common multiple) of 94 and 2?
94
LCM = |94*2| / GCD(94,2). GCD=2, so LCM=188/2=94.
lcm
731,366
arithmetic
easy
What is 650 + 408?
1058
Add the two numbers: 650 + 408 = 1058.
basic_operations
731,367
percentages
easy
What is 13% of 999?
129.87
Calculate 13/100 * 999 = 0.13*999 = 129.87.
percentages
731,368
roots
easy
What is the square root of 1936?
44
Find number that when squared gives 1936. 44*44=1936, so sqrt(1936)=44.
square_roots
731,369
arithmetic
easy
What is 467 - 172?
295
Subtract: 467 - 172 = 295.
basic_operations
731,370
arithmetic
easy
What is 839 + 106?
945
Add the two numbers: 839 + 106 = 945.
basic_operations
731,371
fractions
medium
What is 5/3 * 3/7? Give as simplified fraction.
5/7
Multiply numerators: 5*3=15. Denominators: 3*7=21. Simplify by gcd 3 to get 5/7.
fraction_operations
731,372
exponents
easy
What is 3^3?
27
3^3 means multiply 3 by itself 3 times: 3*3*3 = 27.
exponents
731,373
arithmetic
easy
What is 9560 / 20?
478
Divide: 9560 ÷ 20 = 478 because 20*478=9560.
division
731,374
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
731,375
geometry
easy
Find the circumference of a circle with radius 36. Use pi=3.14159, round to 2 decimals.
226.19
Circumference = 2*pi*r = 2*3.14159*36 = 226.19.
circle_circum
731,376
arithmetic
easy
What is 1 * 28?
28
Multiply: 1 * 28 = 28.
basic_operations
731,377
arithmetic
easy
What is 24 + 66 * 63? Remember order of operations.
4182
Order of operations (PEMDAS): first 66*63=4158, then 24+4158=4182.
basic_operations
731,378
number_theory
medium
What is the LCM (least common multiple) of 52 and 88?
1144
LCM = |52*88| / GCD(52,88). GCD=4, so LCM=4576/4=1144.
lcm
731,379
percentages
easy
What is 38% of 134?
50.92
Calculate 38/100 * 134 = 0.38*134 = 50.92.
percentages
731,380
statistics
easy
What is the mean (average) of 38, 15, 83?
45.33
Mean = sum/count. Sum = 38+15+83=136. Count=3. Mean=136/3=45.33.
mean
731,381
statistics
easy
What is the mean (average) of 52, 74, 49, 87, 28?
58
Mean = sum/count. Sum = 52+74+49+87+28=290. Count=5. Mean=290/5=58.0.
mean
731,382
word_problems
easy
If you have 82 books and you buy 13 more books, how many books do you have in total?
95
Add initial 82 plus bought 13: 82+13=95.
addition_word
731,383
algebra
easy
Solve for x: 20x + 15 = 175
8
Subtract 15 from both sides: 20x = 175-15=160. Then divide by 20: x = 160/20 = 8.
linear_equation
731,384
arithmetic
easy
What is 823 - 286?
537
Subtract: 823 - 286 = 537.
basic_operations
731,385
roots
easy
What is the square root of 81?
9
Find number that when squared gives 81. 9*9=81, so sqrt(81)=9.
square_roots
731,386
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
731,387
algebra
medium
Solve for x: x^2 + 15x + 56 = 0
x = -8, -7
Factor: (x - -8)(x - -7) = x^2 -(-15)x + 56 = 0. So x = -8 or -7. Check sum = -15, product = 56.
quadratic
731,388
calculus
medium
What is the derivative of 8x^4 with respect to x?
32x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^4] = 8*4*x^3 = 32x^3.
derivative
731,389
geometry
easy
Find the perimeter of a rectangle with length 65 and width 88.
306
Perimeter = 2*(length+width) = 2*(65+88) = 2*153 = 306.
rectangle_perim
731,390
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
731,391
algebra
medium
Solve for x: x^2 - 16 = 0
x = -4, 4
Factor: (x - -4)(x - 4) = x^2 -(0)x + -16 = 0. So x = -4 or 4. Check sum = 0, product = -16.
quadratic
731,392
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
731,393
algebra
medium
Solve for x: x^2 - 12x + 20 = 0
x = 2, 10
Factor: (x - 2)(x - 10) = x^2 -(12)x + 20 = 0. So x = 2 or 10. Check sum = 12, product = 20.
quadratic
731,394
algebra
easy
Solve for x: 13x - 9 = -243
-18
Add 9 to both sides: 13x = -243+9=-234. Then x = -234/13 = -18.
linear_equation
731,395
arithmetic
easy
What is 22088 / 88?
251
Divide: 22088 ÷ 88 = 251 because 88*251=22088.
division
731,396
arithmetic
easy
What is 47 * 77?
3619
Multiply: 47 * 77 = 3619.
basic_operations
731,397
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
731,398
calculus
medium
What is the derivative of 8x^8 with respect to x?
64x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^8] = 8*8*x^7 = 64x^7.
derivative
731,399
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
731,400
percentages
easy
What is 37% of 195?
72.15
Calculate 37/100 * 195 = 0.37*195 = 72.15.
percentages