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
731,101
arithmetic
easy
What is 931 + 763 * 63? Remember order of operations.
49000
Order of operations (PEMDAS): first 763*63=48069, then 931+48069=49000.
basic_operations
731,102
number_theory
medium
What is the LCM (least common multiple) of 5 and 8?
40
LCM = |5*8| / GCD(5,8). GCD=1, so LCM=40/1=40.
lcm
731,103
algebra
easy
Solve for x: 13x - 24 = -167
-11
Add 24 to both sides: 13x = -167+24=-143. Then x = -143/13 = -11.
linear_equation
731,104
statistics
easy
What is the mean (average) of 26, 75, 92?
64.33
Mean = sum/count. Sum = 26+75+92=193. Count=3. Mean=193/3=64.33.
mean
731,105
fractions
medium
What is 13/17 * 2/12? Give as simplified fraction.
13/102
Multiply numerators: 13*2=26. Denominators: 17*12=204. Simplify by gcd 2 to get 13/102.
fraction_operations
731,106
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
731,107
fractions
medium
What is 12/4 + 20/19? Give as simplified fraction.
77/19
Common denominator 4*19=76. 12/4=228/76, 20/19=80/76. Sum = 308/76 = 77/19 simplified.
fraction_operations
731,108
fractions
medium
What is 1/6 + 13/3? Give as simplified fraction.
9/2
Common denominator 6*3=18. 1/6=3/18, 13/3=78/18. Sum = 81/18 = 9/2 simplified.
fraction_operations
731,109
geometry
easy
Find the area of a rectangle with length 60 and width 47.
2820
Area = length * width = 60*47 = 2820.
rectangle_area
731,110
algebra
easy
Solve for x: 10x + 22 = 102
8
Subtract 22 from both sides: 10x = 102-22=80. Then divide by 10: x = 80/10 = 8.
linear_equation
731,111
number_theory
medium
What is the LCM (least common multiple) of 91 and 79?
7189
LCM = |91*79| / GCD(91,79). GCD=1, so LCM=7189/1=7189.
lcm
731,112
word_problems
easy
If you have 33 pencils and you buy 30 more pencils, how many pencils do you have in total?
63
Add initial 33 plus bought 30: 33+30=63.
addition_word
731,113
exponents
easy
What is 9^3?
729
9^3 means multiply 9 by itself 3 times: 9*9*9 = 729.
exponents
731,114
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
731,115
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
731,116
roots
easy
What is the square root of 256?
16
Find number that when squared gives 256. 16*16=256, so sqrt(256)=16.
square_roots
731,117
number_theory
medium
What is the GCD (greatest common divisor) of 68 and 86?
2
Find greatest number dividing both 68 and 86. Divisors common, greatest is 2.
gcd
731,118
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
731,119
arithmetic
easy
What is 663 + 917 * 60? Remember order of operations.
55683
Order of operations (PEMDAS): first 917*60=55020, then 663+55020=55683.
basic_operations
731,120
fractions
medium
What is 5/8 + 16/4? Give as simplified fraction.
37/8
Common denominator 8*4=32. 5/8=20/32, 16/4=128/32. Sum = 148/32 = 37/8 simplified.
fraction_operations
731,121
geometry
easy
Find the area of a triangle with base 33 and height 51.
841.5
Area = 0.5*base*height = 0.5*33*51 = 841.5.
triangle_area
731,122
percentages
easy
What is 46% of 966?
444.36
Calculate 46/100 * 966 = 0.46*966 = 444.36.
percentages
731,123
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
731,124
algebra
easy
Solve for x: 13x - 38 = 27
5
Add 38 to both sides: 13x = 27+38=65. Then x = 65/13 = 5.
linear_equation
731,125
percentages
easy
What is 48% of 67?
32.16
Calculate 48/100 * 67 = 0.48*67 = 32.16.
percentages
731,126
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
731,127
exponents
easy
What is 3^3?
27
3^3 means multiply 3 by itself 3 times: 3*3*3 = 27.
exponents
731,128
word_problems
easy
If you have 47 candies and you buy 1 more candies, how many candies do you have in total?
48
Add initial 47 plus bought 1: 47+1=48.
addition_word
731,129
number_theory
medium
What is the GCD (greatest common divisor) of 54 and 87?
3
Find greatest number dividing both 54 and 87. Divisors common, greatest is 3.
gcd
731,130
arithmetic
easy
What is 2340 / 18?
130
Divide: 2340 ÷ 18 = 130 because 18*130=2340.
division
731,131
roots
easy
What is the square root of 400?
20
Find number that when squared gives 400. 20*20=400, so sqrt(400)=20.
square_roots
731,132
percentages
easy
What is 64% of 657?
420.48
Calculate 64/100 * 657 = 0.64*657 = 420.48.
percentages
731,133
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
731,134
algebra
medium
Solve for x: x^2 + 5x - 36 = 0
x = -9, 4
Factor: (x - -9)(x - 4) = x^2 -(-5)x + -36 = 0. So x = -9 or 4. Check sum = -5, product = -36.
quadratic
731,135
fractions
medium
What is 7/10 - 11/6? Give as simplified fraction.
-17/15
Common denominator 60. Numerator 42-110=-68. So -68/60 simplifies to -17/15.
fraction_operations
731,136
number_theory
medium
What is the GCD (greatest common divisor) of 76 and 35?
1
Find greatest number dividing both 76 and 35. Divisors common, greatest is 1.
gcd
731,137
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
731,138
algebra
medium
Solve for x: x^2 + 8x - 9 = 0
x = -9, 1
Factor: (x - -9)(x - 1) = x^2 -(-8)x + -9 = 0. So x = -9 or 1. Check sum = -8, product = -9.
quadratic
731,139
roots
easy
What is the square root of 1089?
33
Find number that when squared gives 1089. 33*33=1089, so sqrt(1089)=33.
square_roots
731,140
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
731,141
percentages
easy
What is 85% of 307?
260.95
Calculate 85/100 * 307 = 0.85*307 = 260.95.
percentages
731,142
calculus
medium
What is the derivative of 5x^4 with respect to x?
20x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^4] = 5*4*x^3 = 20x^3.
derivative
731,143
algebra
easy
Solve for x: 14x + 8 = -90
-7
Subtract 8 from both sides: 14x = -90-8=-98. Then divide by 14: x = -98/14 = -7.
linear_equation
731,144
algebra
medium
Solve for x: x^2 - 4x - 32 = 0
x = -4, 8
Factor: (x - -4)(x - 8) = x^2 -(4)x + -32 = 0. So x = -4 or 8. Check sum = 4, product = -32.
quadratic
731,145
arithmetic
easy
What is 571 - 322?
249
Subtract: 571 - 322 = 249.
basic_operations
731,146
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
731,147
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
731,148
statistics
easy
What is the mean (average) of 85, 94, 59, 74, 49?
72.2
Mean = sum/count. Sum = 85+94+59+74+49=361. Count=5. Mean=361/5=72.2.
mean
731,149
percentages
easy
What is 89% of 187?
166.43
Calculate 89/100 * 187 = 0.89*187 = 166.43.
percentages
731,150
number_theory
medium
What is the LCM (least common multiple) of 40 and 55?
440
LCM = |40*55| / GCD(40,55). GCD=5, so LCM=2200/5=440.
lcm
731,151
algebra
easy
Solve for x: 10x - 27 = 143
17
Add 27 to both sides: 10x = 143+27=170. Then x = 170/10 = 17.
linear_equation
731,152
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
731,153
percentages
easy
What is 23% of 313?
71.99
Calculate 23/100 * 313 = 0.23*313 = 71.99.
percentages
731,154
arithmetic
easy
What is 348 / 58?
6
Divide: 348 ÷ 58 = 6 because 58*6=348.
division
731,155
arithmetic
easy
What is 17024 / 64?
266
Divide: 17024 ÷ 64 = 266 because 64*266=17024.
division
731,156
percentages
easy
What is 92% of 589?
541.88
Calculate 92/100 * 589 = 0.92*589 = 541.88.
percentages
731,157
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
731,158
algebra
easy
Solve for x: 16x + 1 = 225
14
Subtract 1 from both sides: 16x = 225-1=224. Then divide by 16: x = 224/16 = 14.
linear_equation
731,159
statistics
easy
What is the mean (average) of 10, 64, 94, 96?
66
Mean = sum/count. Sum = 10+64+94+96=264. Count=4. Mean=264/4=66.0.
mean
731,160
arithmetic
easy
What is 85 * 68?
5780
Multiply: 85 * 68 = 5780.
basic_operations
731,161
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
731,162
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
731,163
algebra
easy
Solve for x: 10x - 27 = 3
3
Add 27 to both sides: 10x = 3+27=30. Then x = 30/10 = 3.
linear_equation
731,164
geometry
easy
Find the area of a circle with radius 45. Use pi=3.14159, round to 2 decimals.
6361.73
Area = pi*r^2 = 3.14159*45^2 = 3.14159*2025 = 6361.73.
circle_area
731,165
roots
easy
What is the square root of 529?
23
Find number that when squared gives 529. 23*23=529, so sqrt(529)=23.
square_roots
731,166
arithmetic
easy
What is 6075 / 25?
243
Divide: 6075 ÷ 25 = 243 because 25*243=6075.
division
731,167
calculus
medium
What is the derivative of 2x^4 with respect to x?
8x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^4] = 2*4*x^3 = 8x^3.
derivative
731,168
statistics
easy
What is the mean (average) of 13, 64, 13?
30
Mean = sum/count. Sum = 13+64+13=90. Count=3. Mean=90/3=30.0.
mean
731,169
fractions
medium
What is 10/15 * 4/20? Give as simplified fraction.
2/15
Multiply numerators: 10*4=40. Denominators: 15*20=300. Simplify by gcd 20 to get 2/15.
fraction_operations
731,170
arithmetic
easy
What is 11956 / 49?
244
Divide: 11956 ÷ 49 = 244 because 49*244=11956.
division
731,171
statistics
easy
What is the mean (average) of 54, 68, 42, 18, 16?
39.6
Mean = sum/count. Sum = 54+68+42+18+16=198. Count=5. Mean=198/5=39.6.
mean
731,172
arithmetic
easy
What is 52 * 35?
1820
Multiply: 52 * 35 = 1820.
basic_operations
731,173
roots
easy
What is the square root of 676?
26
Find number that when squared gives 676. 26*26=676, so sqrt(676)=26.
square_roots
731,174
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
731,175
arithmetic
easy
What is 99 * 64?
6336
Multiply: 99 * 64 = 6336.
basic_operations
731,176
arithmetic
easy
What is 62 * 26?
1612
Multiply: 62 * 26 = 1612.
basic_operations
731,177
calculus
medium
What is the derivative of 10x^4 with respect to x?
40x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^4] = 10*4*x^3 = 40x^3.
derivative
731,178
percentages
easy
What is 90% of 196?
176.4
Calculate 90/100 * 196 = 0.9*196 = 176.4.
percentages
731,179
geometry
easy
Find the area of a circle with radius 35. Use pi=3.14159, round to 2 decimals.
3848.45
Area = pi*r^2 = 3.14159*35^2 = 3.14159*1225 = 3848.45.
circle_area
731,180
word_problems
easy
If you have 74 candies and you buy 2 more candies, how many candies do you have in total?
76
Add initial 74 plus bought 2: 74+2=76.
addition_word
731,181
arithmetic
easy
What is 8190 / 65?
126
Divide: 8190 ÷ 65 = 126 because 65*126=8190.
division
731,182
arithmetic
easy
What is 24424 / 86?
284
Divide: 24424 ÷ 86 = 284 because 86*284=24424.
division
731,183
number_theory
medium
What is the GCD (greatest common divisor) of 64 and 40?
8
Find greatest number dividing both 64 and 40. Divisors common, greatest is 8.
gcd
731,184
arithmetic
easy
What is 38844 / 78?
498
Divide: 38844 ÷ 78 = 498 because 78*498=38844.
division
731,185
statistics
easy
What is the mean (average) of 99, 96, 30, 19, 26?
54
Mean = sum/count. Sum = 99+96+30+19+26=270. Count=5. Mean=270/5=54.0.
mean
731,186
word_problems
easy
If you have 67 dollars and you buy 20 more dollars, how many dollars do you have in total?
87
Add initial 67 plus bought 20: 67+20=87.
addition_word
731,187
exponents
easy
What is 7^2?
49
7^2 means multiply 7 by itself 2 times: 7*7 = 49.
exponents
731,188
roots
easy
What is the square root of 361?
19
Find number that when squared gives 361. 19*19=361, so sqrt(361)=19.
square_roots
731,189
exponents
easy
What is 7^4?
2401
7^4 means multiply 7 by itself 4 times: 7*7*7*7 = 2401.
exponents
731,190
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
731,191
geometry
easy
Find the area of a triangle with base 87 and height 2.
87
Area = 0.5*base*height = 0.5*87*2 = 87.
triangle_area
731,192
arithmetic
easy
What is 925 + 75?
1000
Add the two numbers: 925 + 75 = 1000.
basic_operations
731,193
arithmetic
easy
What is 73 + 12 * 71? Remember order of operations.
925
Order of operations (PEMDAS): first 12*71=852, then 73+852=925.
basic_operations
731,194
exponents
easy
What is 5^5?
3125
5^5 means multiply 5 by itself 5 times: 5*5*5*5*5 = 3125.
exponents
731,195
percentages
easy
What is 91% of 98?
89.18
Calculate 91/100 * 98 = 0.91*98 = 89.18.
percentages
731,196
arithmetic
easy
What is 422 + 269 * 29? Remember order of operations.
8223
Order of operations (PEMDAS): first 269*29=7801, then 422+7801=8223.
basic_operations
731,197
arithmetic
easy
What is 2055 / 5?
411
Divide: 2055 ÷ 5 = 411 because 5*411=2055.
division
731,198
number_theory
medium
What is the LCM (least common multiple) of 1 and 58?
58
LCM = |1*58| / GCD(1,58). GCD=1, so LCM=58/1=58.
lcm
731,199
word_problems
easy
If you have 40 apples and you buy 29 more apples, how many apples do you have in total?
69
Add initial 40 plus bought 29: 40+29=69.
addition_word
731,200
percentages
easy
What is 66% of 190?
125.4
Calculate 66/100 * 190 = 0.66*190 = 125.4.
percentages