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
3,401
geometry
easy
Find the area of a circle with radius 40. Use pi=3.14159, round to 2 decimals.
5026.55
Area = pi*r^2 = 3.14159*40^2 = 3.14159*1600 = 5026.55.
circle_area
3,402
percentages
easy
What is 89% of 819?
728.91
Calculate 89/100 * 819 = 0.89*819 = 728.91.
percentages
3,403
arithmetic
easy
What is 384 + 588?
972
Add the two numbers: 384 + 588 = 972.
basic_operations
3,404
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
3,405
algebra
medium
Solve for x: x^2 - 4x - 12 = 0
x = -2, 6
Factor: (x - -2)(x - 6) = x^2 -(4)x + -12 = 0. So x = -2 or 6. Check sum = 4, product = -12.
quadratic
3,406
arithmetic
easy
What is 37 + 35 * 24? Remember order of operations.
877
Order of operations (PEMDAS): first 35*24=840, then 37+840=877.
basic_operations
3,407
fractions
medium
What is 1/15 - 5/10? Give as simplified fraction.
-13/30
Common denominator 150. Numerator 10-75=-65. So -65/150 simplifies to -13/30.
fraction_operations
3,408
word_problems
easy
If you have 81 dollars and you buy 41 more dollars, how many dollars do you have in total?
122
Add initial 81 plus bought 41: 81+41=122.
addition_word
3,409
arithmetic
easy
What is 3480 / 30?
116
Divide: 3480 ÷ 30 = 116 because 30*116=3480.
division
3,410
percentages
easy
What is 9% of 627?
56.43
Calculate 9/100 * 627 = 0.09*627 = 56.43.
percentages
3,411
exponents
easy
What is 11^5?
161051
11^5 means multiply 11 by itself 5 times: 11*11*11*11*11 = 161051.
exponents
3,412
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
3,413
roots
easy
What is the square root of 1225?
35
Find number that when squared gives 1225. 35*35=1225, so sqrt(1225)=35.
square_roots
3,414
calculus
medium
What is the derivative of 9x^5 with respect to x?
45x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^5] = 9*5*x^4 = 45x^4.
derivative
3,415
arithmetic
easy
What is 352 - 349?
3
Subtract: 352 - 349 = 3.
basic_operations
3,416
algebra
easy
Solve for x: 15x + 45 = 210
11
Subtract 45 from both sides: 15x = 210-45=165. Then divide by 15: x = 165/15 = 11.
linear_equation
3,417
fractions
medium
What is 18/7 - 13/10? Give as simplified fraction.
89/70
Common denominator 70. Numerator 180-91=89. So 89/70 simplifies to 89/70.
fraction_operations
3,418
arithmetic
easy
What is 677 + 873?
1550
Add the two numbers: 677 + 873 = 1550.
basic_operations
3,419
number_theory
medium
What is the LCM (least common multiple) of 11 and 27?
297
LCM = |11*27| / GCD(11,27). GCD=1, so LCM=297/1=297.
lcm
3,420
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
3,421
word_problems
easy
If you have 91 apples and you buy 30 more apples, how many apples do you have in total?
121
Add initial 91 plus bought 30: 91+30=121.
addition_word
3,422
algebra
easy
Solve for x: 20x + 24 = -176
-10
Subtract 24 from both sides: 20x = -176-24=-200. Then divide by 20: x = -200/20 = -10.
linear_equation
3,423
number_theory
medium
What is the LCM (least common multiple) of 73 and 56?
4088
LCM = |73*56| / GCD(73,56). GCD=1, so LCM=4088/1=4088.
lcm
3,424
arithmetic
easy
What is 96 * 63?
6048
Multiply: 96 * 63 = 6048.
basic_operations
3,425
calculus
medium
What is the derivative of 3x^6 with respect to x?
18x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^6] = 3*6*x^5 = 18x^5.
derivative
3,426
calculus
medium
What is the derivative of 2x^6 with respect to x?
12x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^6] = 2*6*x^5 = 12x^5.
derivative
3,427
arithmetic
easy
What is 5824 / 52?
112
Divide: 5824 ÷ 52 = 112 because 52*112=5824.
division
3,428
exponents
easy
What is 4^3?
64
4^3 means multiply 4 by itself 3 times: 4*4*4 = 64.
exponents
3,429
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
3,430
number_theory
medium
What is the LCM (least common multiple) of 97 and 28?
2716
LCM = |97*28| / GCD(97,28). GCD=1, so LCM=2716/1=2716.
lcm
3,431
geometry
easy
Find the area of a circle with radius 50. Use pi=3.14159, round to 2 decimals.
7853.98
Area = pi*r^2 = 3.14159*50^2 = 3.14159*2500 = 7853.98.
circle_area
3,432
number_theory
medium
What is the LCM (least common multiple) of 81 and 14?
1134
LCM = |81*14| / GCD(81,14). GCD=1, so LCM=1134/1=1134.
lcm
3,433
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
3,434
statistics
easy
What is the mean (average) of 37, 58, 21, 23?
34.75
Mean = sum/count. Sum = 37+58+21+23=139. Count=4. Mean=139/4=34.75.
mean
3,435
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
3,436
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
3,437
word_problems
easy
If you have 88 apples and you buy 12 more apples, how many apples do you have in total?
100
Add initial 88 plus bought 12: 88+12=100.
addition_word
3,438
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
3,439
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
3,440
fractions
medium
What is 1/9 + 5/18? Give as simplified fraction.
7/18
Common denominator 9*18=162. 1/9=18/162, 5/18=45/162. Sum = 63/162 = 7/18 simplified.
fraction_operations
3,441
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
3,442
roots
easy
What is the square root of 1600?
40
Find number that when squared gives 1600. 40*40=1600, so sqrt(1600)=40.
square_roots
3,443
percentages
easy
What is 22% of 583?
128.26
Calculate 22/100 * 583 = 0.22*583 = 128.26.
percentages
3,444
statistics
easy
What is the mean (average) of 12, 48, 3, 96, 77?
47.2
Mean = sum/count. Sum = 12+48+3+96+77=236. Count=5. Mean=236/5=47.2.
mean
3,445
calculus
medium
What is the derivative of 9x^6 with respect to x?
54x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^6] = 9*6*x^5 = 54x^5.
derivative
3,446
fractions
medium
What is 6/16 + 12/9? Give as simplified fraction.
41/24
Common denominator 16*9=144. 6/16=54/144, 12/9=192/144. Sum = 246/144 = 41/24 simplified.
fraction_operations
3,447
statistics
easy
What is the mean (average) of 26, 42, 17, 38, 9?
26.4
Mean = sum/count. Sum = 26+42+17+38+9=132. Count=5. Mean=132/5=26.4.
mean
3,448
arithmetic
easy
What is 592 + 212 * 60? Remember order of operations.
13312
Order of operations (PEMDAS): first 212*60=12720, then 592+12720=13312.
basic_operations
3,449
word_problems
easy
If you have 35 candies and you buy 12 more candies, how many candies do you have in total?
47
Add initial 35 plus bought 12: 35+12=47.
addition_word
3,450
arithmetic
easy
What is 33891 / 79?
429
Divide: 33891 ÷ 79 = 429 because 79*429=33891.
division
3,451
percentages
easy
What is 60% of 740?
444
Calculate 60/100 * 740 = 0.6*740 = 444.
percentages
3,452
arithmetic
easy
What is 87 * 53?
4611
Multiply: 87 * 53 = 4611.
basic_operations
3,453
statistics
easy
What is the mean (average) of 10, 54, 34, 92?
47.5
Mean = sum/count. Sum = 10+54+34+92=190. Count=4. Mean=190/4=47.5.
mean
3,454
arithmetic
easy
What is 37014 / 93?
398
Divide: 37014 ÷ 93 = 398 because 93*398=37014.
division
3,455
word_problems
easy
If you have 66 apples and you buy 47 more apples, how many apples do you have in total?
113
Add initial 66 plus bought 47: 66+47=113.
addition_word
3,456
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
3,457
number_theory
medium
What is the LCM (least common multiple) of 52 and 92?
1196
LCM = |52*92| / GCD(52,92). GCD=4, so LCM=4784/4=1196.
lcm
3,458
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
3,459
arithmetic
easy
What is 1125 / 15?
75
Divide: 1125 ÷ 15 = 75 because 15*75=1125.
division
3,460
arithmetic
easy
What is 8225 divided by 94? Give answer to 2 decimal places.
87.5
Calculate 8225/ 94 = 87.5000, rounded to 2 decimals is 87.5.
division
3,461
roots
easy
What is the square root of 100?
10
Find number that when squared gives 100. 10*10=100, so sqrt(100)=10.
square_roots
3,462
percentages
easy
What is 62% of 216?
133.92
Calculate 62/100 * 216 = 0.62*216 = 133.92.
percentages
3,463
geometry
easy
Find the area of a rectangle with length 43 and width 83.
3569
Area = length * width = 43*83 = 3569.
rectangle_area
3,464
arithmetic
easy
What is 921 - 470?
451
Subtract: 921 - 470 = 451.
basic_operations
3,465
geometry
easy
Find the area of a circle with radius 19. Use pi=3.14159, round to 2 decimals.
1134.11
Area = pi*r^2 = 3.14159*19^2 = 3.14159*361 = 1134.11.
circle_area
3,466
word_problems
easy
If you have 47 dollars and you buy 29 more dollars, how many dollars do you have in total?
76
Add initial 47 plus bought 29: 47+29=76.
addition_word
3,467
geometry
easy
Find the area of a triangle with base 5 and height 98.
245
Area = 0.5*base*height = 0.5*5*98 = 245.
triangle_area
3,468
algebra
easy
Solve for x: 5x + 16 = 6
-2
Subtract 16 from both sides: 5x = 6-16=-10. Then divide by 5: x = -10/5 = -2.
linear_equation
3,469
arithmetic
easy
What is 47 + 92 * 48? Remember order of operations.
4463
Order of operations (PEMDAS): first 92*48=4416, then 47+4416=4463.
basic_operations
3,470
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
3,471
exponents
easy
What is 9^5?
59049
9^5 means multiply 9 by itself 5 times: 9*9*9*9*9 = 59049.
exponents
3,472
exponents
easy
What is 4^3?
64
4^3 means multiply 4 by itself 3 times: 4*4*4 = 64.
exponents
3,473
algebra
easy
Solve for x: 20x - 13 = 67
4
Add 13 to both sides: 20x = 67+13=80. Then x = 80/20 = 4.
linear_equation
3,474
geometry
easy
Find the perimeter of a rectangle with length 4 and width 28.
64
Perimeter = 2*(length+width) = 2*(4+28) = 2*32 = 64.
rectangle_perim
3,475
exponents
easy
What is 4^2?
16
4^2 means multiply 4 by itself 2 times: 4*4 = 16.
exponents
3,476
geometry
easy
Find the area of a circle with radius 47. Use pi=3.14159, round to 2 decimals.
6939.78
Area = pi*r^2 = 3.14159*47^2 = 3.14159*2209 = 6939.78.
circle_area
3,477
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
3,478
algebra
medium
Solve for x: x^2 - 11x + 10 = 0
x = 1, 10
Factor: (x - 1)(x - 10) = x^2 -(11)x + 10 = 0. So x = 1 or 10. Check sum = 11, product = 10.
quadratic
3,479
algebra
easy
Solve for x: 19x + 14 = 14
0
Subtract 14 from both sides: 19x = 14-14=0. Then divide by 19: x = 0/19 = 0.
linear_equation
3,480
number_theory
medium
What is the GCD (greatest common divisor) of 49 and 63?
7
Find greatest number dividing both 49 and 63. Divisors common, greatest is 7.
gcd
3,481
statistics
easy
What is the mean (average) of 62, 49, 2?
37.67
Mean = sum/count. Sum = 62+49+2=113. Count=3. Mean=113/3=37.67.
mean
3,482
arithmetic
easy
What is 351 + 231 * 40? Remember order of operations.
9591
Order of operations (PEMDAS): first 231*40=9240, then 351+9240=9591.
basic_operations
3,483
geometry
easy
Find the area of a triangle with base 100 and height 94.
4700
Area = 0.5*base*height = 0.5*100*94 = 4700.
triangle_area
3,484
arithmetic
easy
What is 8631 divided by 85? Give answer to 2 decimal places.
101.54
Calculate 8631/ 85 = 101.5412, rounded to 2 decimals is 101.54.
division
3,485
word_problems
easy
If you have 77 apples and you buy 41 more apples, how many apples do you have in total?
118
Add initial 77 plus bought 41: 77+41=118.
addition_word
3,486
percentages
easy
What is 95% of 208?
197.6
Calculate 95/100 * 208 = 0.95*208 = 197.6.
percentages
3,487
number_theory
medium
What is the LCM (least common multiple) of 86 and 5?
430
LCM = |86*5| / GCD(86,5). GCD=1, so LCM=430/1=430.
lcm
3,488
arithmetic
easy
What is 11440 / 44?
260
Divide: 11440 ÷ 44 = 260 because 44*260=11440.
division
3,489
arithmetic
easy
What is 994 - 818?
176
Subtract: 994 - 818 = 176.
basic_operations
3,490
percentages
easy
What is 32% of 263?
84.16
Calculate 32/100 * 263 = 0.32*263 = 84.16.
percentages
3,491
algebra
medium
Solve for x: x^2 - 7x - 30 = 0
x = 10, -3
Factor: (x - 10)(x - -3) = x^2 -(7)x + -30 = 0. So x = 10 or -3. Check sum = 7, product = -30.
quadratic
3,492
percentages
easy
What is 89% of 735?
654.15
Calculate 89/100 * 735 = 0.89*735 = 654.15.
percentages
3,493
word_problems
easy
If you have 27 pencils and you buy 3 more pencils, how many pencils do you have in total?
30
Add initial 27 plus bought 3: 27+3=30.
addition_word
3,494
geometry
easy
Find the area of a triangle with base 36 and height 12.
216
Area = 0.5*base*height = 0.5*36*12 = 216.
triangle_area
3,495
fractions
medium
What is 3/6 + 17/11? Give as simplified fraction.
45/22
Common denominator 6*11=66. 3/6=33/66, 17/11=102/66. Sum = 135/66 = 45/22 simplified.
fraction_operations
3,496
fractions
medium
What is 8/9 - 19/20? Give as simplified fraction.
-11/180
Common denominator 180. Numerator 160-171=-11. So -11/180 simplifies to -11/180.
fraction_operations
3,497
word_problems
easy
If you have 17 apples and you buy 35 more apples, how many apples do you have in total?
52
Add initial 17 plus bought 35: 17+35=52.
addition_word
3,498
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
3,499
arithmetic
easy
What is 490 + 202 * 15? Remember order of operations.
3520
Order of operations (PEMDAS): first 202*15=3030, then 490+3030=3520.
basic_operations
3,500
fractions
medium
What is 4/19 * 19/8? Give as simplified fraction.
1/2
Multiply numerators: 4*19=76. Denominators: 19*8=152. Simplify by gcd 76 to get 1/2.
fraction_operations