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
7,401
word_problems
easy
If you have 19 books and you buy 28 more books, how many books do you have in total?
47
Add initial 19 plus bought 28: 19+28=47.
addition_word
7,402
geometry
easy
Find the area of a triangle with base 47 and height 4.
94
Area = 0.5*base*height = 0.5*47*4 = 94.
triangle_area
7,403
roots
easy
What is the square root of 49?
7
Find number that when squared gives 49. 7*7=49, so sqrt(49)=7.
square_roots
7,404
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
7,405
arithmetic
easy
What is 542 + 381?
923
Add the two numbers: 542 + 381 = 923.
basic_operations
7,406
arithmetic
easy
What is 638 - 272?
366
Subtract: 638 - 272 = 366.
basic_operations
7,407
number_theory
medium
What is the LCM (least common multiple) of 54 and 78?
702
LCM = |54*78| / GCD(54,78). GCD=6, so LCM=4212/6=702.
lcm
7,408
algebra
easy
Solve for x: 20x + 0 = 40
2
Subtract 0 from both sides: 20x = 40-0=40. Then divide by 20: x = 40/20 = 2.
linear_equation
7,409
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
7,410
arithmetic
easy
What is 7547 divided by 78? Give answer to 2 decimal places.
96.76
Calculate 7547/ 78 = 96.7564, rounded to 2 decimals is 96.76.
division
7,411
statistics
easy
What is the mean (average) of 31, 57, 58?
48.67
Mean = sum/count. Sum = 31+57+58=146. Count=3. Mean=146/3=48.67.
mean
7,412
arithmetic
easy
What is 34917 divided by 90? Give answer to 2 decimal places.
387.97
Calculate 34917/ 90 = 387.9667, rounded to 2 decimals is 387.97.
division
7,413
algebra
easy
Solve for x: 14x - 20 = 218
17
Add 20 to both sides: 14x = 218+20=238. Then x = 238/14 = 17.
linear_equation
7,414
number_theory
medium
What is the GCD (greatest common divisor) of 52 and 14?
2
Find greatest number dividing both 52 and 14. Divisors common, greatest is 2.
gcd
7,415
calculus
medium
What is the derivative of 7x^8 with respect to x?
56x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^8] = 7*8*x^7 = 56x^7.
derivative
7,416
word_problems
easy
If you have 74 apples and you buy 15 more apples, how many apples do you have in total?
89
Add initial 74 plus bought 15: 74+15=89.
addition_word
7,417
number_theory
medium
What is the GCD (greatest common divisor) of 47 and 64?
1
Find greatest number dividing both 47 and 64. Divisors common, greatest is 1.
gcd
7,418
word_problems
easy
If you have 17 pencils and you buy 13 more pencils, how many pencils do you have in total?
30
Add initial 17 plus bought 13: 17+13=30.
addition_word
7,419
statistics
easy
What is the mean (average) of 37, 6, 22, 94, 18?
35.4
Mean = sum/count. Sum = 37+6+22+94+18=177. Count=5. Mean=177/5=35.4.
mean
7,420
fractions
medium
What is 10/14 - 3/11? Give as simplified fraction.
34/77
Common denominator 154. Numerator 110-42=68. So 68/154 simplifies to 34/77.
fraction_operations
7,421
calculus
medium
What is the derivative of 3x^5 with respect to x?
15x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^5] = 3*5*x^4 = 15x^4.
derivative
7,422
statistics
easy
What is the mean (average) of 27, 94, 28, 1?
37.5
Mean = sum/count. Sum = 27+94+28+1=150. Count=4. Mean=150/4=37.5.
mean
7,423
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
7,424
arithmetic
easy
What is 825 + 469?
1294
Add the two numbers: 825 + 469 = 1294.
basic_operations
7,425
algebra
medium
Solve for x: x^2 - 3x - 70 = 0
x = 10, -7
Factor: (x - 10)(x - -7) = x^2 -(3)x + -70 = 0. So x = 10 or -7. Check sum = 3, product = -70.
quadratic
7,426
number_theory
medium
What is the GCD (greatest common divisor) of 24 and 38?
2
Find greatest number dividing both 24 and 38. Divisors common, greatest is 2.
gcd
7,427
arithmetic
easy
What is 15981 divided by 78? Give answer to 2 decimal places.
204.88
Calculate 15981/ 78 = 204.8846, rounded to 2 decimals is 204.88.
division
7,428
fractions
medium
What is 14/10 - 16/2? Give as simplified fraction.
-33/5
Common denominator 20. Numerator 28-160=-132. So -132/20 simplifies to -33/5.
fraction_operations
7,429
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
7,430
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
7,431
statistics
easy
What is the mean (average) of 28, 49, 71?
49.33
Mean = sum/count. Sum = 28+49+71=148. Count=3. Mean=148/3=49.33.
mean
7,432
percentages
easy
What is 1% of 29?
0.29
Calculate 1/100 * 29 = 0.01*29 = 0.29.
percentages
7,433
geometry
easy
Find the area of a triangle with base 29 and height 63.
913.5
Area = 0.5*base*height = 0.5*29*63 = 913.5.
triangle_area
7,434
percentages
easy
What is 52% of 747?
388.44
Calculate 52/100 * 747 = 0.52*747 = 388.44.
percentages
7,435
percentages
easy
What is 89% of 864?
768.96
Calculate 89/100 * 864 = 0.89*864 = 768.96.
percentages
7,436
arithmetic
easy
What is 784 + 353?
1137
Add the two numbers: 784 + 353 = 1137.
basic_operations
7,437
algebra
easy
Solve for x: 20x - 36 = -236
-10
Add 36 to both sides: 20x = -236+36=-200. Then x = -200/20 = -10.
linear_equation
7,438
statistics
easy
What is the mean (average) of 50, 43, 77?
56.67
Mean = sum/count. Sum = 50+43+77=170. Count=3. Mean=170/3=56.67.
mean
7,439
percentages
easy
What is 36% of 66?
23.76
Calculate 36/100 * 66 = 0.36*66 = 23.76.
percentages
7,440
arithmetic
easy
What is 930 - 271?
659
Subtract: 930 - 271 = 659.
basic_operations
7,441
algebra
easy
Solve for x: 19x - 38 = -323
-15
Add 38 to both sides: 19x = -323+38=-285. Then x = -285/19 = -15.
linear_equation
7,442
word_problems
easy
If you have 26 pencils and you buy 9 more pencils, how many pencils do you have in total?
35
Add initial 26 plus bought 9: 26+9=35.
addition_word
7,443
algebra
medium
Solve for x: x^2 - 3x - 10 = 0
x = -2, 5
Factor: (x - -2)(x - 5) = x^2 -(3)x + -10 = 0. So x = -2 or 5. Check sum = 3, product = -10.
quadratic
7,444
arithmetic
easy
What is 6732 / 68?
99
Divide: 6732 ÷ 68 = 99 because 68*99=6732.
division
7,445
arithmetic
easy
What is 21101 divided by 59? Give answer to 2 decimal places.
357.64
Calculate 21101/ 59 = 357.6441, rounded to 2 decimals is 357.64.
division
7,446
arithmetic
easy
What is 869 - 848?
21
Subtract: 869 - 848 = 21.
basic_operations
7,447
geometry
easy
Find the area of a triangle with base 62 and height 37.
1147
Area = 0.5*base*height = 0.5*62*37 = 1147.
triangle_area
7,448
word_problems
easy
If you have 84 apples and you buy 39 more apples, how many apples do you have in total?
123
Add initial 84 plus bought 39: 84+39=123.
addition_word
7,449
roots
easy
What is the square root of 121?
11
Find number that when squared gives 121. 11*11=121, so sqrt(121)=11.
square_roots
7,450
algebra
easy
Solve for x: 4x + 12 = -40
-13
Subtract 12 from both sides: 4x = -40-12=-52. Then divide by 4: x = -52/4 = -13.
linear_equation
7,451
arithmetic
easy
What is 10360 / 37?
280
Divide: 10360 ÷ 37 = 280 because 37*280=10360.
division
7,452
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
7,453
arithmetic
easy
What is 22896 / 72?
318
Divide: 22896 ÷ 72 = 318 because 72*318=22896.
division
7,454
arithmetic
easy
What is 444 + 79?
523
Add the two numbers: 444 + 79 = 523.
basic_operations
7,455
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
7,456
percentages
easy
What is 13% of 418?
54.34
Calculate 13/100 * 418 = 0.13*418 = 54.34.
percentages
7,457
fractions
medium
What is 4/7 - 20/16? Give as simplified fraction.
-19/28
Common denominator 112. Numerator 64-140=-76. So -76/112 simplifies to -19/28.
fraction_operations
7,458
number_theory
medium
What is the LCM (least common multiple) of 58 and 23?
1334
LCM = |58*23| / GCD(58,23). GCD=1, so LCM=1334/1=1334.
lcm
7,459
arithmetic
easy
What is 16850 divided by 55? Give answer to 2 decimal places.
306.36
Calculate 16850/ 55 = 306.3636, rounded to 2 decimals is 306.36.
division
7,460
fractions
medium
What is 16/19 + 17/4? Give as simplified fraction.
387/76
Common denominator 19*4=76. 16/19=64/76, 17/4=323/76. Sum = 387/76 = 387/76 simplified.
fraction_operations
7,461
fractions
medium
What is 17/20 + 19/20? Give as simplified fraction.
9/5
Common denominator 20*20=400. 17/20=340/400, 19/20=380/400. Sum = 720/400 = 9/5 simplified.
fraction_operations
7,462
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
7,463
arithmetic
easy
What is 2 + 64 * 27? Remember order of operations.
1730
Order of operations (PEMDAS): first 64*27=1728, then 2+1728=1730.
basic_operations
7,464
statistics
easy
What is the mean (average) of 25, 88, 90, 22?
56.25
Mean = sum/count. Sum = 25+88+90+22=225. Count=4. Mean=225/4=56.25.
mean
7,465
arithmetic
easy
What is 5814 / 51?
114
Divide: 5814 ÷ 51 = 114 because 51*114=5814.
division
7,466
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
7,467
percentages
easy
What is 10% of 482?
48.2
Calculate 10/100 * 482 = 0.1*482 = 48.2.
percentages
7,468
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
7,469
arithmetic
easy
What is 869 - 773?
96
Subtract: 869 - 773 = 96.
basic_operations
7,470
arithmetic
easy
What is 249 + 488?
737
Add the two numbers: 249 + 488 = 737.
basic_operations
7,471
exponents
easy
What is 7^4?
2401
7^4 means multiply 7 by itself 4 times: 7*7*7*7 = 2401.
exponents
7,472
percentages
easy
What is 44% of 712?
313.28
Calculate 44/100 * 712 = 0.44*712 = 313.28.
percentages
7,473
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
7,474
percentages
easy
What is 88% of 613?
539.44
Calculate 88/100 * 613 = 0.88*613 = 539.44.
percentages
7,475
arithmetic
easy
What is 5187 / 21?
247
Divide: 5187 ÷ 21 = 247 because 21*247=5187.
division
7,476
algebra
easy
Solve for x: 5x - 9 = -4
1
Add 9 to both sides: 5x = -4+9=5. Then x = 5/5 = 1.
linear_equation
7,477
arithmetic
easy
What is 24070 / 58?
415
Divide: 24070 ÷ 58 = 415 because 58*415=24070.
division
7,478
algebra
medium
Solve for x: x^2 - 7x = 0
x = 0, 7
Factor: (x - 0)(x - 7) = x^2 -(7)x + 0 = 0. So x = 0 or 7. Check sum = 7, product = 0.
quadratic
7,479
arithmetic
easy
What is 757 - 645?
112
Subtract: 757 - 645 = 112.
basic_operations
7,480
algebra
medium
Solve for x: x^2 + 12x + 35 = 0
x = -7, -5
Factor: (x - -7)(x - -5) = x^2 -(-12)x + 35 = 0. So x = -7 or -5. Check sum = -12, product = 35.
quadratic
7,481
fractions
medium
What is 13/3 - 4/19? Give as simplified fraction.
235/57
Common denominator 57. Numerator 247-12=235. So 235/57 simplifies to 235/57.
fraction_operations
7,482
percentages
easy
What is 74% of 613?
453.62
Calculate 74/100 * 613 = 0.74*613 = 453.62.
percentages
7,483
geometry
easy
Find the area of a circle with radius 17. Use pi=3.14159, round to 2 decimals.
907.92
Area = pi*r^2 = 3.14159*17^2 = 3.14159*289 = 907.92.
circle_area
7,484
arithmetic
easy
What is 10388 / 28?
371
Divide: 10388 ÷ 28 = 371 because 28*371=10388.
division
7,485
roots
easy
What is the square root of 225?
15
Find number that when squared gives 225. 15*15=225, so sqrt(225)=15.
square_roots
7,486
arithmetic
easy
What is 8400 / 42?
200
Divide: 8400 ÷ 42 = 200 because 42*200=8400.
division
7,487
percentages
easy
What is 2% of 917?
18.34
Calculate 2/100 * 917 = 0.02*917 = 18.34.
percentages
7,488
statistics
easy
What is the mean (average) of 52, 67, 85, 95, 44?
68.6
Mean = sum/count. Sum = 52+67+85+95+44=343. Count=5. Mean=343/5=68.6.
mean
7,489
arithmetic
easy
What is 85 * 40?
3400
Multiply: 85 * 40 = 3400.
basic_operations
7,490
word_problems
easy
If you have 22 dollars and you buy 41 more dollars, how many dollars do you have in total?
63
Add initial 22 plus bought 41: 22+41=63.
addition_word
7,491
arithmetic
easy
What is 23 + 90 * 79? Remember order of operations.
7133
Order of operations (PEMDAS): first 90*79=7110, then 23+7110=7133.
basic_operations
7,492
statistics
easy
What is the mean (average) of 100, 25, 43, 84, 98?
70
Mean = sum/count. Sum = 100+25+43+84+98=350. Count=5. Mean=350/5=70.0.
mean
7,493
arithmetic
easy
What is 429 + 411 * 66? Remember order of operations.
27555
Order of operations (PEMDAS): first 411*66=27126, then 429+27126=27555.
basic_operations
7,494
fractions
medium
What is 7/17 - 7/15? Give as simplified fraction.
-14/255
Common denominator 255. Numerator 105-119=-14. So -14/255 simplifies to -14/255.
fraction_operations
7,495
arithmetic
easy
What is 490 + 710?
1200
Add the two numbers: 490 + 710 = 1200.
basic_operations
7,496
percentages
easy
What is 91% of 301?
273.91
Calculate 91/100 * 301 = 0.91*301 = 273.91.
percentages
7,497
arithmetic
easy
What is 942 + 724 * 24? Remember order of operations.
18318
Order of operations (PEMDAS): first 724*24=17376, then 942+17376=18318.
basic_operations
7,498
algebra
medium
Solve for x: x^2 - 5x - 50 = 0
x = 10, -5
Factor: (x - 10)(x - -5) = x^2 -(5)x + -50 = 0. So x = 10 or -5. Check sum = 5, product = -50.
quadratic
7,499
geometry
easy
Find the area of a rectangle with length 89 and width 79.
7031
Area = length * width = 89*79 = 7031.
rectangle_area
7,500
percentages
easy
What is 8% of 422?
33.76
Calculate 8/100 * 422 = 0.08*422 = 33.76.
percentages