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
734,201
geometry
easy
Find the perimeter of a rectangle with length 57 and width 58.
230
Perimeter = 2*(length+width) = 2*(57+58) = 2*115 = 230.
rectangle_perim
734,202
arithmetic
easy
What is 625 - 49?
576
Subtract: 625 - 49 = 576.
basic_operations
734,203
statistics
easy
What is the mean (average) of 95, 53, 67?
71.67
Mean = sum/count. Sum = 95+53+67=215. Count=3. Mean=215/3=71.67.
mean
734,204
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
734,205
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
734,206
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
734,207
arithmetic
easy
What is 25398 / 83?
306
Divide: 25398 ÷ 83 = 306 because 83*306=25398.
division
734,208
number_theory
medium
What is the LCM (least common multiple) of 66 and 60?
660
LCM = |66*60| / GCD(66,60). GCD=6, so LCM=3960/6=660.
lcm
734,209
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
734,210
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
734,211
arithmetic
easy
What is 5616 divided by 22? Give answer to 2 decimal places.
255.27
Calculate 5616/ 22 = 255.2727, rounded to 2 decimals is 255.27.
division
734,212
number_theory
medium
What is the GCD (greatest common divisor) of 84 and 98?
14
Find greatest number dividing both 84 and 98. Divisors common, greatest is 14.
gcd
734,213
fractions
medium
What is 4/18 * 3/12? Give as simplified fraction.
1/18
Multiply numerators: 4*3=12. Denominators: 18*12=216. Simplify by gcd 12 to get 1/18.
fraction_operations
734,214
arithmetic
easy
What is 2940 / 35?
84
Divide: 2940 ÷ 35 = 84 because 35*84=2940.
division
734,215
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
734,216
roots
easy
What is the square root of 25?
5
Find number that when squared gives 25. 5*5=25, so sqrt(25)=5.
square_roots
734,217
arithmetic
easy
What is 113 + 769?
882
Add the two numbers: 113 + 769 = 882.
basic_operations
734,218
number_theory
medium
What is the LCM (least common multiple) of 76 and 5?
380
LCM = |76*5| / GCD(76,5). GCD=1, so LCM=380/1=380.
lcm
734,219
arithmetic
easy
What is 352 + 236 * 49? Remember order of operations.
11916
Order of operations (PEMDAS): first 236*49=11564, then 352+11564=11916.
basic_operations
734,220
word_problems
easy
If you have 32 pencils and you buy 46 more pencils, how many pencils do you have in total?
78
Add initial 32 plus bought 46: 32+46=78.
addition_word
734,221
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
734,222
statistics
easy
What is the mean (average) of 5, 15, 60, 78?
39.5
Mean = sum/count. Sum = 5+15+60+78=158. Count=4. Mean=158/4=39.5.
mean
734,223
arithmetic
easy
What is 6083 / 77?
79
Divide: 6083 ÷ 77 = 79 because 77*79=6083.
division
734,224
algebra
medium
Solve for x: x^2 - 1 = 0
x = -1, 1
Factor: (x - -1)(x - 1) = x^2 -(0)x + -1 = 0. So x = -1 or 1. Check sum = 0, product = -1.
quadratic
734,225
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
734,226
arithmetic
easy
What is 799 - 99?
700
Subtract: 799 - 99 = 700.
basic_operations
734,227
arithmetic
easy
What is 41 * 82?
3362
Multiply: 41 * 82 = 3362.
basic_operations
734,228
roots
easy
What is the square root of 484?
22
Find number that when squared gives 484. 22*22=484, so sqrt(484)=22.
square_roots
734,229
algebra
easy
Solve for x: 4x - 34 = -54
-5
Add 34 to both sides: 4x = -54+34=-20. Then x = -20/4 = -5.
linear_equation
734,230
exponents
easy
What is 5^4?
625
5^4 means multiply 5 by itself 4 times: 5*5*5*5 = 625.
exponents
734,231
percentages
easy
What is 83% of 252?
209.16
Calculate 83/100 * 252 = 0.83*252 = 209.16.
percentages
734,232
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
734,233
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
734,234
geometry
easy
Find the area of a triangle with base 96 and height 83.
3984
Area = 0.5*base*height = 0.5*96*83 = 3984.
triangle_area
734,235
exponents
easy
What is 10^2?
100
10^2 means multiply 10 by itself 2 times: 10*10 = 100.
exponents
734,236
percentages
easy
What is 91% of 408?
371.28
Calculate 91/100 * 408 = 0.91*408 = 371.28.
percentages
734,237
algebra
medium
Solve for x: x^2 - 10x + 9 = 0
x = 1, 9
Factor: (x - 1)(x - 9) = x^2 -(10)x + 9 = 0. So x = 1 or 9. Check sum = 10, product = 9.
quadratic
734,238
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
734,239
roots
easy
What is the square root of 841?
29
Find number that when squared gives 841. 29*29=841, so sqrt(841)=29.
square_roots
734,240
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
734,241
word_problems
easy
If you have 98 candies and you buy 29 more candies, how many candies do you have in total?
127
Add initial 98 plus bought 29: 98+29=127.
addition_word
734,242
algebra
easy
Solve for x: 18x - 10 = 134
8
Add 10 to both sides: 18x = 134+10=144. Then x = 144/18 = 8.
linear_equation
734,243
arithmetic
easy
What is 887 - 789?
98
Subtract: 887 - 789 = 98.
basic_operations
734,244
number_theory
medium
What is the GCD (greatest common divisor) of 81 and 69?
3
Find greatest number dividing both 81 and 69. Divisors common, greatest is 3.
gcd
734,245
arithmetic
easy
What is 4720 / 80?
59
Divide: 4720 ÷ 80 = 59 because 80*59=4720.
division
734,246
word_problems
easy
If you have 73 books and you buy 28 more books, how many books do you have in total?
101
Add initial 73 plus bought 28: 73+28=101.
addition_word
734,247
arithmetic
easy
What is 261 - 218?
43
Subtract: 261 - 218 = 43.
basic_operations
734,248
statistics
easy
What is the mean (average) of 5, 96, 99?
66.67
Mean = sum/count. Sum = 5+96+99=200. Count=3. Mean=200/3=66.67.
mean
734,249
exponents
easy
What is 10^4?
10000
10^4 means multiply 10 by itself 4 times: 10*10*10*10 = 10000.
exponents
734,250
number_theory
medium
What is the GCD (greatest common divisor) of 33 and 8?
1
Find greatest number dividing both 33 and 8. Divisors common, greatest is 1.
gcd
734,251
statistics
easy
What is the mean (average) of 52, 73, 19?
48
Mean = sum/count. Sum = 52+73+19=144. Count=3. Mean=144/3=48.0.
mean
734,252
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
734,253
word_problems
easy
If you have 28 candies and you buy 48 more candies, how many candies do you have in total?
76
Add initial 28 plus bought 48: 28+48=76.
addition_word
734,254
word_problems
easy
If you have 50 candies and you buy 21 more candies, how many candies do you have in total?
71
Add initial 50 plus bought 21: 50+21=71.
addition_word
734,255
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
734,256
calculus
medium
What is the derivative of 1x^5 with respect to x?
5x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^5] = 1*5*x^4 = 5x^4.
derivative
734,257
number_theory
medium
What is the GCD (greatest common divisor) of 64 and 12?
4
Find greatest number dividing both 64 and 12. Divisors common, greatest is 4.
gcd
734,258
word_problems
easy
If you have 7 apples and you buy 28 more apples, how many apples do you have in total?
35
Add initial 7 plus bought 28: 7+28=35.
addition_word
734,259
statistics
easy
What is the mean (average) of 63, 9, 56, 13?
35.25
Mean = sum/count. Sum = 63+9+56+13=141. Count=4. Mean=141/4=35.25.
mean
734,260
fractions
medium
What is 15/10 * 7/16? Give as simplified fraction.
21/32
Multiply numerators: 15*7=105. Denominators: 10*16=160. Simplify by gcd 5 to get 21/32.
fraction_operations
734,261
statistics
easy
What is the mean (average) of 31, 46, 21?
32.67
Mean = sum/count. Sum = 31+46+21=98. Count=3. Mean=98/3=32.67.
mean
734,262
number_theory
medium
What is the GCD (greatest common divisor) of 93 and 79?
1
Find greatest number dividing both 93 and 79. Divisors common, greatest is 1.
gcd
734,263
number_theory
medium
What is the GCD (greatest common divisor) of 4 and 91?
1
Find greatest number dividing both 4 and 91. Divisors common, greatest is 1.
gcd
734,264
exponents
easy
What is 3^4?
81
3^4 means multiply 3 by itself 4 times: 3*3*3*3 = 81.
exponents
734,265
roots
easy
What is the square root of 2500?
50
Find number that when squared gives 2500. 50*50=2500, so sqrt(2500)=50.
square_roots
734,266
fractions
medium
What is 9/14 * 20/16? Give as simplified fraction.
45/56
Multiply numerators: 9*20=180. Denominators: 14*16=224. Simplify by gcd 4 to get 45/56.
fraction_operations
734,267
calculus
medium
What is the derivative of 4x^2 with respect to x?
8x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^2] = 4*2*x^1 = 8x.
derivative
734,268
geometry
easy
Find the perimeter of a rectangle with length 95 and width 98.
386
Perimeter = 2*(length+width) = 2*(95+98) = 2*193 = 386.
rectangle_perim
734,269
fractions
medium
What is 10/13 - 9/7? Give as simplified fraction.
-47/91
Common denominator 91. Numerator 70-117=-47. So -47/91 simplifies to -47/91.
fraction_operations
734,270
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
734,271
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
734,272
arithmetic
easy
What is 8 + 1 * 80? Remember order of operations.
88
Order of operations (PEMDAS): first 1*80=80, then 8+80=88.
basic_operations
734,273
arithmetic
easy
What is 867 - 575?
292
Subtract: 867 - 575 = 292.
basic_operations
734,274
arithmetic
easy
What is 23760 / 54?
440
Divide: 23760 ÷ 54 = 440 because 54*440=23760.
division
734,275
fractions
medium
What is 6/12 - 9/13? Give as simplified fraction.
-5/26
Common denominator 156. Numerator 78-108=-30. So -30/156 simplifies to -5/26.
fraction_operations
734,276
algebra
medium
Solve for x: x^2 + 8x + 15 = 0
x = -3, -5
Factor: (x - -3)(x - -5) = x^2 -(-8)x + 15 = 0. So x = -3 or -5. Check sum = -8, product = 15.
quadratic
734,277
number_theory
medium
What is the LCM (least common multiple) of 85 and 67?
5695
LCM = |85*67| / GCD(85,67). GCD=1, so LCM=5695/1=5695.
lcm
734,278
fractions
medium
What is 2/12 + 14/6? Give as simplified fraction.
5/2
Common denominator 12*6=72. 2/12=12/72, 14/6=168/72. Sum = 180/72 = 5/2 simplified.
fraction_operations
734,279
statistics
easy
What is the mean (average) of 54, 37, 42, 23, 34?
38
Mean = sum/count. Sum = 54+37+42+23+34=190. Count=5. Mean=190/5=38.0.
mean
734,280
arithmetic
easy
What is 515 + 428 * 22? Remember order of operations.
9931
Order of operations (PEMDAS): first 428*22=9416, then 515+9416=9931.
basic_operations
734,281
arithmetic
easy
What is 921 + 734?
1655
Add the two numbers: 921 + 734 = 1655.
basic_operations
734,282
word_problems
easy
If you have 91 dollars and you buy 26 more dollars, how many dollars do you have in total?
117
Add initial 91 plus bought 26: 91+26=117.
addition_word
734,283
percentages
easy
What is 86% of 639?
549.54
Calculate 86/100 * 639 = 0.86*639 = 549.54.
percentages
734,284
algebra
easy
Solve for x: 9x + 40 = -23
-7
Subtract 40 from both sides: 9x = -23-40=-63. Then divide by 9: x = -63/9 = -7.
linear_equation
734,285
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
734,286
algebra
easy
Solve for x: 7x - 29 = 111
20
Add 29 to both sides: 7x = 111+29=140. Then x = 140/7 = 20.
linear_equation
734,287
percentages
easy
What is 12% of 221?
26.52
Calculate 12/100 * 221 = 0.12*221 = 26.52.
percentages
734,288
number_theory
medium
What is the GCD (greatest common divisor) of 90 and 29?
1
Find greatest number dividing both 90 and 29. Divisors common, greatest is 1.
gcd
734,289
fractions
medium
What is 18/16 + 11/14? Give as simplified fraction.
107/56
Common denominator 16*14=224. 18/16=252/224, 11/14=176/224. Sum = 428/224 = 107/56 simplified.
fraction_operations
734,290
geometry
easy
Find the perimeter of a rectangle with length 8 and width 83.
182
Perimeter = 2*(length+width) = 2*(8+83) = 2*91 = 182.
rectangle_perim
734,291
roots
easy
What is the square root of 25?
5
Find number that when squared gives 25. 5*5=25, so sqrt(25)=5.
square_roots
734,292
exponents
easy
What is 5^3?
125
5^3 means multiply 5 by itself 3 times: 5*5*5 = 125.
exponents
734,293
arithmetic
easy
What is 235 + 622?
857
Add the two numbers: 235 + 622 = 857.
basic_operations
734,294
algebra
easy
Solve for x: 3x + 46 = 85
13
Subtract 46 from both sides: 3x = 85-46=39. Then divide by 3: x = 39/3 = 13.
linear_equation
734,295
number_theory
medium
What is the LCM (least common multiple) of 15 and 69?
345
LCM = |15*69| / GCD(15,69). GCD=3, so LCM=1035/3=345.
lcm
734,296
algebra
easy
Solve for x: 9x - 6 = 129
15
Add 6 to both sides: 9x = 129+6=135. Then x = 135/9 = 15.
linear_equation
734,297
arithmetic
easy
What is 4065 divided by 66? Give answer to 2 decimal places.
61.59
Calculate 4065/ 66 = 61.5909, rounded to 2 decimals is 61.59.
division
734,298
fractions
medium
What is 2/2 + 4/10? Give as simplified fraction.
7/5
Common denominator 2*10=20. 2/2=20/20, 4/10=8/20. Sum = 28/20 = 7/5 simplified.
fraction_operations
734,299
fractions
medium
What is 2/9 + 16/16? Give as simplified fraction.
11/9
Common denominator 9*16=144. 2/9=32/144, 16/16=144/144. Sum = 176/144 = 11/9 simplified.
fraction_operations
734,300
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