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
4,101
algebra
easy
Solve for x: 16x - 7 = -247
-15
Add 7 to both sides: 16x = -247+7=-240. Then x = -240/16 = -15.
linear_equation
4,102
statistics
easy
What is the mean (average) of 69, 67, 79, 81?
74
Mean = sum/count. Sum = 69+67+79+81=296. Count=4. Mean=296/4=74.0.
mean
4,103
arithmetic
easy
What is 645 - 258?
387
Subtract: 645 - 258 = 387.
basic_operations
4,104
percentages
easy
What is 41% of 950?
389.5
Calculate 41/100 * 950 = 0.41*950 = 389.5.
percentages
4,105
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
4,106
fractions
medium
What is 12/11 * 7/12? Give as simplified fraction.
7/11
Multiply numerators: 12*7=84. Denominators: 11*12=132. Simplify by gcd 12 to get 7/11.
fraction_operations
4,107
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
4,108
geometry
easy
Find the area of a triangle with base 55 and height 86.
2365
Area = 0.5*base*height = 0.5*55*86 = 2365.
triangle_area
4,109
fractions
medium
What is 20/6 * 10/8? Give as simplified fraction.
25/6
Multiply numerators: 20*10=200. Denominators: 6*8=48. Simplify by gcd 8 to get 25/6.
fraction_operations
4,110
number_theory
medium
What is the LCM (least common multiple) of 92 and 70?
3220
LCM = |92*70| / GCD(92,70). GCD=2, so LCM=6440/2=3220.
lcm
4,111
fractions
medium
What is 15/20 + 17/7? Give as simplified fraction.
89/28
Common denominator 20*7=140. 15/20=105/140, 17/7=340/140. Sum = 445/140 = 89/28 simplified.
fraction_operations
4,112
exponents
easy
What is 12^3?
1728
12^3 means multiply 12 by itself 3 times: 12*12*12 = 1728.
exponents
4,113
fractions
medium
What is 20/12 - 6/17? Give as simplified fraction.
67/51
Common denominator 204. Numerator 340-72=268. So 268/204 simplifies to 67/51.
fraction_operations
4,114
percentages
easy
What is 51% of 496?
252.96
Calculate 51/100 * 496 = 0.51*496 = 252.96.
percentages
4,115
geometry
easy
Find the area of a triangle with base 59 and height 69.
2035.5
Area = 0.5*base*height = 0.5*59*69 = 2035.5.
triangle_area
4,116
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
4,117
geometry
easy
Find the area of a triangle with base 10 and height 33.
165
Area = 0.5*base*height = 0.5*10*33 = 165.
triangle_area
4,118
arithmetic
easy
What is 20886 divided by 50? Give answer to 2 decimal places.
417.72
Calculate 20886/ 50 = 417.7200, rounded to 2 decimals is 417.72.
division
4,119
arithmetic
easy
What is 194 - 69?
125
Subtract: 194 - 69 = 125.
basic_operations
4,120
geometry
easy
Find the area of a triangle with base 73 and height 54.
1971
Area = 0.5*base*height = 0.5*73*54 = 1971.
triangle_area
4,121
fractions
medium
What is 9/3 * 14/17? Give as simplified fraction.
42/17
Multiply numerators: 9*14=126. Denominators: 3*17=51. Simplify by gcd 3 to get 42/17.
fraction_operations
4,122
arithmetic
easy
What is 13888 / 62?
224
Divide: 13888 ÷ 62 = 224 because 62*224=13888.
division
4,123
arithmetic
easy
What is 1767 / 19?
93
Divide: 1767 ÷ 19 = 93 because 19*93=1767.
division
4,124
arithmetic
easy
What is 868 + 43 * 9? Remember order of operations.
1255
Order of operations (PEMDAS): first 43*9=387, then 868+387=1255.
basic_operations
4,125
geometry
easy
Find the perimeter of a rectangle with length 13 and width 96.
218
Perimeter = 2*(length+width) = 2*(13+96) = 2*109 = 218.
rectangle_perim
4,126
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
4,127
arithmetic
easy
What is 913 + 677 * 73? Remember order of operations.
50334
Order of operations (PEMDAS): first 677*73=49421, then 913+49421=50334.
basic_operations
4,128
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
4,129
geometry
easy
Find the area of a circle with radius 28. Use pi=3.14159, round to 2 decimals.
2463.01
Area = pi*r^2 = 3.14159*28^2 = 3.14159*784 = 2463.01.
circle_area
4,130
percentages
easy
What is 30% of 226?
67.8
Calculate 30/100 * 226 = 0.3*226 = 67.8.
percentages
4,131
geometry
easy
Find the area of a triangle with base 46 and height 31.
713
Area = 0.5*base*height = 0.5*46*31 = 713.
triangle_area
4,132
algebra
easy
Solve for x: 1x + 20 = 37
17
Subtract 20 from both sides: 1x = 37-20=17. Then divide by 1: x = 17/1 = 17.
linear_equation
4,133
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
4,134
percentages
easy
What is 22% of 826?
181.72
Calculate 22/100 * 826 = 0.22*826 = 181.72.
percentages
4,135
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
4,136
arithmetic
easy
What is 95 * 79?
7505
Multiply: 95 * 79 = 7505.
basic_operations
4,137
geometry
easy
Find the circumference of a circle with radius 8. Use pi=3.14159, round to 2 decimals.
50.27
Circumference = 2*pi*r = 2*3.14159*8 = 50.27.
circle_circum
4,138
arithmetic
easy
What is 14289 / 33?
433
Divide: 14289 ÷ 33 = 433 because 33*433=14289.
division
4,139
percentages
easy
What is 59% of 625?
368.75
Calculate 59/100 * 625 = 0.59*625 = 368.75.
percentages
4,140
algebra
medium
Solve for x: x^2 + 8x + 15 = 0
x = -5, -3
Factor: (x - -5)(x - -3) = x^2 -(-8)x + 15 = 0. So x = -5 or -3. Check sum = -8, product = 15.
quadratic
4,141
geometry
easy
Find the area of a rectangle with length 1 and width 31.
31
Area = length * width = 1*31 = 31.
rectangle_area
4,142
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
4,143
word_problems
easy
If you have 32 apples and you buy 15 more apples, how many apples do you have in total?
47
Add initial 32 plus bought 15: 32+15=47.
addition_word
4,144
arithmetic
easy
What is 730 + 419 * 57? Remember order of operations.
24613
Order of operations (PEMDAS): first 419*57=23883, then 730+23883=24613.
basic_operations
4,145
calculus
medium
What is the derivative of 10x^8 with respect to x?
80x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^8] = 10*8*x^7 = 80x^7.
derivative
4,146
calculus
medium
What is the derivative of 9x^2 with respect to x?
18x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^2] = 9*2*x^1 = 18x.
derivative
4,147
geometry
easy
Find the perimeter of a rectangle with length 87 and width 63.
300
Perimeter = 2*(length+width) = 2*(87+63) = 2*150 = 300.
rectangle_perim
4,148
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
4,149
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
4,150
arithmetic
easy
What is 520 - 512?
8
Subtract: 520 - 512 = 8.
basic_operations
4,151
fractions
medium
What is 12/6 + 3/14? Give as simplified fraction.
31/14
Common denominator 6*14=84. 12/6=168/84, 3/14=18/84. Sum = 186/84 = 31/14 simplified.
fraction_operations
4,152
calculus
medium
What is the derivative of 4x^3 with respect to x?
12x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^3] = 4*3*x^2 = 12x^2.
derivative
4,153
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
4,154
calculus
medium
What is the derivative of 4x^4 with respect to x?
16x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^4] = 4*4*x^3 = 16x^3.
derivative
4,155
exponents
easy
What is 5^5?
3125
5^5 means multiply 5 by itself 5 times: 5*5*5*5*5 = 3125.
exponents
4,156
statistics
easy
What is the mean (average) of 88, 73, 32?
64.33
Mean = sum/count. Sum = 88+73+32=193. Count=3. Mean=193/3=64.33.
mean
4,157
arithmetic
easy
What is 731 - 464?
267
Subtract: 731 - 464 = 267.
basic_operations
4,158
number_theory
medium
What is the LCM (least common multiple) of 49 and 3?
147
LCM = |49*3| / GCD(49,3). GCD=1, so LCM=147/1=147.
lcm
4,159
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
4,160
word_problems
easy
If you have 59 candies and you buy 6 more candies, how many candies do you have in total?
65
Add initial 59 plus bought 6: 59+6=65.
addition_word
4,161
geometry
easy
Find the area of a circle with radius 15. Use pi=3.14159, round to 2 decimals.
706.86
Area = pi*r^2 = 3.14159*15^2 = 3.14159*225 = 706.86.
circle_area
4,162
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
4,163
statistics
easy
What is the mean (average) of 22, 29, 75?
42
Mean = sum/count. Sum = 22+29+75=126. Count=3. Mean=126/3=42.0.
mean
4,164
fractions
medium
What is 2/14 + 12/3? Give as simplified fraction.
29/7
Common denominator 14*3=42. 2/14=6/42, 12/3=168/42. Sum = 174/42 = 29/7 simplified.
fraction_operations
4,165
arithmetic
easy
What is 725 + 938?
1663
Add the two numbers: 725 + 938 = 1663.
basic_operations
4,166
arithmetic
easy
What is 257 - 82?
175
Subtract: 257 - 82 = 175.
basic_operations
4,167
exponents
easy
What is 4^5?
1024
4^5 means multiply 4 by itself 5 times: 4*4*4*4*4 = 1024.
exponents
4,168
geometry
easy
Find the perimeter of a rectangle with length 30 and width 53.
166
Perimeter = 2*(length+width) = 2*(30+53) = 2*83 = 166.
rectangle_perim
4,169
exponents
easy
What is 4^2?
16
4^2 means multiply 4 by itself 2 times: 4*4 = 16.
exponents
4,170
percentages
easy
What is 12% of 636?
76.32
Calculate 12/100 * 636 = 0.12*636 = 76.32.
percentages
4,171
arithmetic
easy
What is 587 + 671 * 95? Remember order of operations.
64332
Order of operations (PEMDAS): first 671*95=63745, then 587+63745=64332.
basic_operations
4,172
statistics
easy
What is the mean (average) of 22, 31, 3, 26?
20.5
Mean = sum/count. Sum = 22+31+3+26=82. Count=4. Mean=82/4=20.5.
mean
4,173
arithmetic
easy
What is 792 - 69?
723
Subtract: 792 - 69 = 723.
basic_operations
4,174
algebra
medium
Solve for x: x^2 - 49 = 0
x = 7, -7
Factor: (x - 7)(x - -7) = x^2 -(0)x + -49 = 0. So x = 7 or -7. Check sum = 0, product = -49.
quadratic
4,175
word_problems
easy
If you have 75 dollars and you buy 49 more dollars, how many dollars do you have in total?
124
Add initial 75 plus bought 49: 75+49=124.
addition_word
4,176
algebra
medium
Solve for x: x^2 - 1x - 42 = 0
x = -6, 7
Factor: (x - -6)(x - 7) = x^2 -(1)x + -42 = 0. So x = -6 or 7. Check sum = 1, product = -42.
quadratic
4,177
algebra
medium
Solve for x: x^2 + 13x + 30 = 0
x = -3, -10
Factor: (x - -3)(x - -10) = x^2 -(-13)x + 30 = 0. So x = -3 or -10. Check sum = -13, product = 30.
quadratic
4,178
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
4,179
geometry
easy
Find the area of a triangle with base 3 and height 65.
97.5
Area = 0.5*base*height = 0.5*3*65 = 97.5.
triangle_area
4,180
arithmetic
easy
What is 404 + 139?
543
Add the two numbers: 404 + 139 = 543.
basic_operations
4,181
algebra
easy
Solve for x: 8x + 27 = 51
3
Subtract 27 from both sides: 8x = 51-27=24. Then divide by 8: x = 24/8 = 3.
linear_equation
4,182
geometry
easy
Find the circumference of a circle with radius 16. Use pi=3.14159, round to 2 decimals.
100.53
Circumference = 2*pi*r = 2*3.14159*16 = 100.53.
circle_circum
4,183
word_problems
easy
If you have 27 apples and you buy 46 more apples, how many apples do you have in total?
73
Add initial 27 plus bought 46: 27+46=73.
addition_word
4,184
percentages
easy
What is 21% of 656?
137.76
Calculate 21/100 * 656 = 0.21*656 = 137.76.
percentages
4,185
arithmetic
easy
What is 69 + 387 * 18? Remember order of operations.
7035
Order of operations (PEMDAS): first 387*18=6966, then 69+6966=7035.
basic_operations
4,186
statistics
easy
What is the mean (average) of 97, 51, 71, 70, 93?
76.4
Mean = sum/count. Sum = 97+51+71+70+93=382. Count=5. Mean=382/5=76.4.
mean
4,187
calculus
medium
What is the derivative of 8x^6 with respect to x?
48x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^6] = 8*6*x^5 = 48x^5.
derivative
4,188
number_theory
medium
What is the LCM (least common multiple) of 78 and 74?
2886
LCM = |78*74| / GCD(78,74). GCD=2, so LCM=5772/2=2886.
lcm
4,189
geometry
easy
Find the area of a triangle with base 53 and height 22.
583
Area = 0.5*base*height = 0.5*53*22 = 583.
triangle_area
4,190
statistics
easy
What is the mean (average) of 5, 27, 10?
14
Mean = sum/count. Sum = 5+27+10=42. Count=3. Mean=42/3=14.0.
mean
4,191
number_theory
medium
What is the LCM (least common multiple) of 39 and 15?
195
LCM = |39*15| / GCD(39,15). GCD=3, so LCM=585/3=195.
lcm
4,192
calculus
medium
What is the derivative of 5x^5 with respect to x?
25x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^5] = 5*5*x^4 = 25x^4.
derivative
4,193
number_theory
medium
What is the LCM (least common multiple) of 4 and 41?
164
LCM = |4*41| / GCD(4,41). GCD=1, so LCM=164/1=164.
lcm
4,194
fractions
medium
What is 1/8 - 14/6? Give as simplified fraction.
-53/24
Common denominator 48. Numerator 6-112=-106. So -106/48 simplifies to -53/24.
fraction_operations
4,195
algebra
easy
Solve for x: 10x + 0 = -50
-5
Subtract 0 from both sides: 10x = -50-0=-50. Then divide by 10: x = -50/10 = -5.
linear_equation
4,196
algebra
easy
Solve for x: 1x - 21 = -13
8
Add 21 to both sides: 1x = -13+21=8. Then x = 8/1 = 8.
linear_equation
4,197
geometry
easy
Find the circumference of a circle with radius 26. Use pi=3.14159, round to 2 decimals.
163.36
Circumference = 2*pi*r = 2*3.14159*26 = 163.36.
circle_circum
4,198
word_problems
easy
If you have 96 dollars and you buy 30 more dollars, how many dollars do you have in total?
126
Add initial 96 plus bought 30: 96+30=126.
addition_word
4,199
fractions
medium
What is 15/6 + 14/3? Give as simplified fraction.
43/6
Common denominator 6*3=18. 15/6=45/18, 14/3=84/18. Sum = 129/18 = 43/6 simplified.
fraction_operations
4,200
algebra
easy
Solve for x: 4x - 13 = -1
3
Add 13 to both sides: 4x = -1+13=12. Then x = 12/4 = 3.
linear_equation