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
3,101
word_problems
easy
If you have 64 candies and you buy 2 more candies, how many candies do you have in total?
66
Add initial 64 plus bought 2: 64+2=66.
addition_word
3,102
arithmetic
easy
What is 478 - 38?
440
Subtract: 478 - 38 = 440.
basic_operations
3,103
fractions
medium
What is 14/3 - 19/4? Give as simplified fraction.
-1/12
Common denominator 12. Numerator 56-57=-1. So -1/12 simplifies to -1/12.
fraction_operations
3,104
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
3,105
word_problems
easy
If you have 28 dollars and you buy 17 more dollars, how many dollars do you have in total?
45
Add initial 28 plus bought 17: 28+17=45.
addition_word
3,106
geometry
easy
Find the circumference of a circle with radius 9. Use pi=3.14159, round to 2 decimals.
56.55
Circumference = 2*pi*r = 2*3.14159*9 = 56.55.
circle_circum
3,107
percentages
easy
What is 81% of 179?
144.99
Calculate 81/100 * 179 = 0.81*179 = 144.99.
percentages
3,108
algebra
easy
Solve for x: 20x + 33 = -307
-17
Subtract 33 from both sides: 20x = -307-33=-340. Then divide by 20: x = -340/20 = -17.
linear_equation
3,109
percentages
easy
What is 15% of 671?
100.65
Calculate 15/100 * 671 = 0.15*671 = 100.65.
percentages
3,110
arithmetic
easy
What is 701 - 189?
512
Subtract: 701 - 189 = 512.
basic_operations
3,111
arithmetic
easy
What is 567 + 735?
1302
Add the two numbers: 567 + 735 = 1302.
basic_operations
3,112
geometry
easy
Find the area of a circle with radius 2. Use pi=3.14159, round to 2 decimals.
12.57
Area = pi*r^2 = 3.14159*2^2 = 3.14159*4 = 12.57.
circle_area
3,113
number_theory
medium
What is the GCD (greatest common divisor) of 70 and 92?
2
Find greatest number dividing both 70 and 92. Divisors common, greatest is 2.
gcd
3,114
percentages
easy
What is 45% of 112?
50.4
Calculate 45/100 * 112 = 0.45*112 = 50.4.
percentages
3,115
arithmetic
easy
What is 10 + 31 * 15? Remember order of operations.
475
Order of operations (PEMDAS): first 31*15=465, then 10+465=475.
basic_operations
3,116
number_theory
medium
What is the GCD (greatest common divisor) of 88 and 54?
2
Find greatest number dividing both 88 and 54. Divisors common, greatest is 2.
gcd
3,117
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
3,118
algebra
easy
Solve for x: 1x - 9 = 9
18
Add 9 to both sides: 1x = 9+9=18. Then x = 18/1 = 18.
linear_equation
3,119
number_theory
medium
What is the LCM (least common multiple) of 43 and 53?
2279
LCM = |43*53| / GCD(43,53). GCD=1, so LCM=2279/1=2279.
lcm
3,120
statistics
easy
What is the mean (average) of 80, 4, 21, 48?
38.25
Mean = sum/count. Sum = 80+4+21+48=153. Count=4. Mean=153/4=38.25.
mean
3,121
arithmetic
easy
What is 4 * 14?
56
Multiply: 4 * 14 = 56.
basic_operations
3,122
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
3,123
number_theory
medium
What is the GCD (greatest common divisor) of 28 and 49?
7
Find greatest number dividing both 28 and 49. Divisors common, greatest is 7.
gcd
3,124
algebra
easy
Solve for x: 13x + 47 = -148
-15
Subtract 47 from both sides: 13x = -148-47=-195. Then divide by 13: x = -195/13 = -15.
linear_equation
3,125
arithmetic
easy
What is 65 * 74?
4810
Multiply: 65 * 74 = 4810.
basic_operations
3,126
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
3,127
arithmetic
easy
What is 28228 divided by 69? Give answer to 2 decimal places.
409.1
Calculate 28228/ 69 = 409.1014, rounded to 2 decimals is 409.1.
division
3,128
word_problems
easy
If you have 45 books and you buy 18 more books, how many books do you have in total?
63
Add initial 45 plus bought 18: 45+18=63.
addition_word
3,129
exponents
easy
What is 5^4?
625
5^4 means multiply 5 by itself 4 times: 5*5*5*5 = 625.
exponents
3,130
percentages
easy
What is 99% of 371?
367.29
Calculate 99/100 * 371 = 0.99*371 = 367.29.
percentages
3,131
percentages
easy
What is 59% of 323?
190.57
Calculate 59/100 * 323 = 0.59*323 = 190.57.
percentages
3,132
arithmetic
easy
What is 11217 divided by 90? Give answer to 2 decimal places.
124.63
Calculate 11217/ 90 = 124.6333, rounded to 2 decimals is 124.63.
division
3,133
number_theory
medium
What is the GCD (greatest common divisor) of 11 and 46?
1
Find greatest number dividing both 11 and 46. Divisors common, greatest is 1.
gcd
3,134
number_theory
medium
What is the GCD (greatest common divisor) of 84 and 62?
2
Find greatest number dividing both 84 and 62. Divisors common, greatest is 2.
gcd
3,135
word_problems
easy
If you have 58 pencils and you buy 15 more pencils, how many pencils do you have in total?
73
Add initial 58 plus bought 15: 58+15=73.
addition_word
3,136
algebra
easy
Solve for x: 18x - 19 = 89
6
Add 19 to both sides: 18x = 89+19=108. Then x = 108/18 = 6.
linear_equation
3,137
algebra
easy
Solve for x: 20x - 17 = -57
-2
Add 17 to both sides: 20x = -57+17=-40. Then x = -40/20 = -2.
linear_equation
3,138
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
3,139
arithmetic
easy
What is 2520 / 12?
210
Divide: 2520 ÷ 12 = 210 because 12*210=2520.
division
3,140
statistics
easy
What is the mean (average) of 99, 26, 24, 59, 2?
42
Mean = sum/count. Sum = 99+26+24+59+2=210. Count=5. Mean=210/5=42.0.
mean
3,141
algebra
medium
Solve for x: x^2 + 4x - 21 = 0
x = -7, 3
Factor: (x - -7)(x - 3) = x^2 -(-4)x + -21 = 0. So x = -7 or 3. Check sum = -4, product = -21.
quadratic
3,142
geometry
easy
Find the area of a triangle with base 92 and height 61.
2806
Area = 0.5*base*height = 0.5*92*61 = 2806.
triangle_area
3,143
arithmetic
easy
What is 8030 divided by 18? Give answer to 2 decimal places.
446.11
Calculate 8030/ 18 = 446.1111, rounded to 2 decimals is 446.11.
division
3,144
arithmetic
easy
What is 707 + 171?
878
Add the two numbers: 707 + 171 = 878.
basic_operations
3,145
calculus
medium
What is the derivative of 6x^5 with respect to x?
30x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^5] = 6*5*x^4 = 30x^4.
derivative
3,146
algebra
easy
Solve for x: 13x + 39 = 234
15
Subtract 39 from both sides: 13x = 234-39=195. Then divide by 13: x = 195/13 = 15.
linear_equation
3,147
percentages
easy
What is 92% of 301?
276.92
Calculate 92/100 * 301 = 0.92*301 = 276.92.
percentages
3,148
arithmetic
easy
What is 20700 / 45?
460
Divide: 20700 ÷ 45 = 460 because 45*460=20700.
division
3,149
arithmetic
easy
What is 757 - 76?
681
Subtract: 757 - 76 = 681.
basic_operations
3,150
word_problems
easy
If you have 99 dollars and you buy 28 more dollars, how many dollars do you have in total?
127
Add initial 99 plus bought 28: 99+28=127.
addition_word
3,151
statistics
easy
What is the mean (average) of 18, 94, 24, 93, 99?
65.6
Mean = sum/count. Sum = 18+94+24+93+99=328. Count=5. Mean=328/5=65.6.
mean
3,152
arithmetic
easy
What is 76 * 48?
3648
Multiply: 76 * 48 = 3648.
basic_operations
3,153
word_problems
easy
If you have 53 candies and you buy 21 more candies, how many candies do you have in total?
74
Add initial 53 plus bought 21: 53+21=74.
addition_word
3,154
algebra
medium
Solve for x: x^2 - 14x + 48 = 0
x = 6, 8
Factor: (x - 6)(x - 8) = x^2 -(14)x + 48 = 0. So x = 6 or 8. Check sum = 14, product = 48.
quadratic
3,155
geometry
easy
Find the area of a rectangle with length 30 and width 39.
1170
Area = length * width = 30*39 = 1170.
rectangle_area
3,156
statistics
easy
What is the mean (average) of 7, 73, 67, 68?
53.75
Mean = sum/count. Sum = 7+73+67+68=215. Count=4. Mean=215/4=53.75.
mean
3,157
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
3,158
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
3,159
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
3,160
algebra
medium
Solve for x: x^2 + 15x + 54 = 0
x = -6, -9
Factor: (x - -6)(x - -9) = x^2 -(-15)x + 54 = 0. So x = -6 or -9. Check sum = -15, product = 54.
quadratic
3,161
fractions
medium
What is 14/18 * 9/20? Give as simplified fraction.
7/20
Multiply numerators: 14*9=126. Denominators: 18*20=360. Simplify by gcd 18 to get 7/20.
fraction_operations
3,162
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
3,163
number_theory
medium
What is the GCD (greatest common divisor) of 37 and 22?
1
Find greatest number dividing both 37 and 22. Divisors common, greatest is 1.
gcd
3,164
exponents
easy
What is 6^5?
7776
6^5 means multiply 6 by itself 5 times: 6*6*6*6*6 = 7776.
exponents
3,165
word_problems
easy
If you have 33 dollars and you buy 11 more dollars, how many dollars do you have in total?
44
Add initial 33 plus bought 11: 33+11=44.
addition_word
3,166
geometry
easy
Find the area of a triangle with base 97 and height 14.
679
Area = 0.5*base*height = 0.5*97*14 = 679.
triangle_area
3,167
percentages
easy
What is 86% of 286?
245.96
Calculate 86/100 * 286 = 0.86*286 = 245.96.
percentages
3,168
algebra
easy
Solve for x: 4x - 24 = 36
15
Add 24 to both sides: 4x = 36+24=60. Then x = 60/4 = 15.
linear_equation
3,169
algebra
medium
Solve for x: x^2 + 1x - 90 = 0
x = -10, 9
Factor: (x - -10)(x - 9) = x^2 -(-1)x + -90 = 0. So x = -10 or 9. Check sum = -1, product = -90.
quadratic
3,170
arithmetic
easy
What is 25 * 1?
25
Multiply: 25 * 1 = 25.
basic_operations
3,171
arithmetic
easy
What is 55 * 94?
5170
Multiply: 55 * 94 = 5170.
basic_operations
3,172
algebra
easy
Solve for x: 15x - 13 = -208
-13
Add 13 to both sides: 15x = -208+13=-195. Then x = -195/15 = -13.
linear_equation
3,173
arithmetic
easy
What is 26476 divided by 58? Give answer to 2 decimal places.
456.48
Calculate 26476/ 58 = 456.4828, rounded to 2 decimals is 456.48.
division
3,174
geometry
easy
Find the area of a rectangle with length 18 and width 36.
648
Area = length * width = 18*36 = 648.
rectangle_area
3,175
arithmetic
easy
What is 19364 / 47?
412
Divide: 19364 ÷ 47 = 412 because 47*412=19364.
division
3,176
arithmetic
easy
What is 335 + 161 * 65? Remember order of operations.
10800
Order of operations (PEMDAS): first 161*65=10465, then 335+10465=10800.
basic_operations
3,177
arithmetic
easy
What is 724 + 705?
1429
Add the two numbers: 724 + 705 = 1429.
basic_operations
3,178
roots
easy
What is the square root of 169?
13
Find number that when squared gives 169. 13*13=169, so sqrt(169)=13.
square_roots
3,179
arithmetic
easy
What is 972 + 650 * 81? Remember order of operations.
53622
Order of operations (PEMDAS): first 650*81=52650, then 972+52650=53622.
basic_operations
3,180
calculus
medium
What is the derivative of 4x^8 with respect to x?
32x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^8] = 4*8*x^7 = 32x^7.
derivative
3,181
fractions
medium
What is 9/17 + 5/17? Give as simplified fraction.
14/17
Common denominator 17*17=289. 9/17=153/289, 5/17=85/289. Sum = 238/289 = 14/17 simplified.
fraction_operations
3,182
statistics
easy
What is the mean (average) of 17, 26, 82, 12?
34.25
Mean = sum/count. Sum = 17+26+82+12=137. Count=4. Mean=137/4=34.25.
mean
3,183
fractions
medium
What is 1/15 * 3/17? Give as simplified fraction.
1/85
Multiply numerators: 1*3=3. Denominators: 15*17=255. Simplify by gcd 3 to get 1/85.
fraction_operations
3,184
fractions
medium
What is 6/3 * 14/10? Give as simplified fraction.
14/5
Multiply numerators: 6*14=84. Denominators: 3*10=30. Simplify by gcd 6 to get 14/5.
fraction_operations
3,185
calculus
medium
What is the derivative of 10x^7 with respect to x?
70x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^7] = 10*7*x^6 = 70x^6.
derivative
3,186
percentages
easy
What is 82% of 358?
293.56
Calculate 82/100 * 358 = 0.82*358 = 293.56.
percentages
3,187
statistics
easy
What is the mean (average) of 85, 24, 39, 30, 38?
43.2
Mean = sum/count. Sum = 85+24+39+30+38=216. Count=5. Mean=216/5=43.2.
mean
3,188
statistics
easy
What is the mean (average) of 81, 51, 77, 46?
63.75
Mean = sum/count. Sum = 81+51+77+46=255. Count=4. Mean=255/4=63.75.
mean
3,189
statistics
easy
What is the mean (average) of 13, 29, 15, 97?
38.5
Mean = sum/count. Sum = 13+29+15+97=154. Count=4. Mean=154/4=38.5.
mean
3,190
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
3,191
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
3,192
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
3,193
algebra
medium
Solve for x: x^2 - 4x = 0
x = 4, 0
Factor: (x - 4)(x - 0) = x^2 -(4)x + 0 = 0. So x = 4 or 0. Check sum = 4, product = 0.
quadratic
3,194
arithmetic
easy
What is 16422 / 46?
357
Divide: 16422 ÷ 46 = 357 because 46*357=16422.
division
3,195
statistics
easy
What is the mean (average) of 77, 53, 88, 31?
62.25
Mean = sum/count. Sum = 77+53+88+31=249. Count=4. Mean=249/4=62.25.
mean
3,196
arithmetic
easy
What is 298 + 275?
573
Add the two numbers: 298 + 275 = 573.
basic_operations
3,197
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
3,198
roots
easy
What is the square root of 289?
17
Find number that when squared gives 289. 17*17=289, so sqrt(289)=17.
square_roots
3,199
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
3,200
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