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
7,101
word_problems
easy
If you have 6 books and you buy 26 more books, how many books do you have in total?
32
Add initial 6 plus bought 26: 6+26=32.
addition_word
7,102
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
7,103
percentages
easy
What is 86% of 144?
123.84
Calculate 86/100 * 144 = 0.86*144 = 123.84.
percentages
7,104
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
7,105
arithmetic
easy
What is 116 + 69 * 18? Remember order of operations.
1358
Order of operations (PEMDAS): first 69*18=1242, then 116+1242=1358.
basic_operations
7,106
arithmetic
easy
What is 67 * 38?
2546
Multiply: 67 * 38 = 2546.
basic_operations
7,107
geometry
easy
Find the perimeter of a rectangle with length 50 and width 33.
166
Perimeter = 2*(length+width) = 2*(50+33) = 2*83 = 166.
rectangle_perim
7,108
fractions
medium
What is 7/8 * 14/16? Give as simplified fraction.
49/64
Multiply numerators: 7*14=98. Denominators: 8*16=128. Simplify by gcd 2 to get 49/64.
fraction_operations
7,109
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
7,110
algebra
medium
Solve for x: x^2 - 16x + 63 = 0
x = 7, 9
Factor: (x - 7)(x - 9) = x^2 -(16)x + 63 = 0. So x = 7 or 9. Check sum = 16, product = 63.
quadratic
7,111
calculus
medium
What is the derivative of 2x^5 with respect to x?
10x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^5] = 2*5*x^4 = 10x^4.
derivative
7,112
fractions
medium
What is 13/2 * 11/10? Give as simplified fraction.
143/20
Multiply numerators: 13*11=143. Denominators: 2*10=20. Simplify by gcd 1 to get 143/20.
fraction_operations
7,113
exponents
easy
What is 8^3?
512
8^3 means multiply 8 by itself 3 times: 8*8*8 = 512.
exponents
7,114
arithmetic
easy
What is 576 - 380?
196
Subtract: 576 - 380 = 196.
basic_operations
7,115
arithmetic
easy
What is 117 + 888 * 25? Remember order of operations.
22317
Order of operations (PEMDAS): first 888*25=22200, then 117+22200=22317.
basic_operations
7,116
number_theory
medium
What is the GCD (greatest common divisor) of 98 and 12?
2
Find greatest number dividing both 98 and 12. Divisors common, greatest is 2.
gcd
7,117
number_theory
medium
What is the GCD (greatest common divisor) of 7 and 84?
7
Find greatest number dividing both 7 and 84. Divisors common, greatest is 7.
gcd
7,118
arithmetic
easy
What is 921 - 111?
810
Subtract: 921 - 111 = 810.
basic_operations
7,119
statistics
easy
What is the mean (average) of 68, 92, 89, 91?
85
Mean = sum/count. Sum = 68+92+89+91=340. Count=4. Mean=340/4=85.0.
mean
7,120
arithmetic
easy
What is 554 + 899?
1453
Add the two numbers: 554 + 899 = 1453.
basic_operations
7,121
arithmetic
easy
What is 293 + 262 * 82? Remember order of operations.
21777
Order of operations (PEMDAS): first 262*82=21484, then 293+21484=21777.
basic_operations
7,122
arithmetic
easy
What is 279 - 248?
31
Subtract: 279 - 248 = 31.
basic_operations
7,123
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
7,124
fractions
medium
What is 11/8 - 17/5? Give as simplified fraction.
-81/40
Common denominator 40. Numerator 55-136=-81. So -81/40 simplifies to -81/40.
fraction_operations
7,125
fractions
medium
What is 16/11 - 15/12? Give as simplified fraction.
9/44
Common denominator 132. Numerator 192-165=27. So 27/132 simplifies to 9/44.
fraction_operations
7,126
arithmetic
easy
What is 2 * 14?
28
Multiply: 2 * 14 = 28.
basic_operations
7,127
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
7,128
exponents
easy
What is 9^2?
81
9^2 means multiply 9 by itself 2 times: 9*9 = 81.
exponents
7,129
statistics
easy
What is the mean (average) of 71, 34, 5, 12?
30.5
Mean = sum/count. Sum = 71+34+5+12=122. Count=4. Mean=122/4=30.5.
mean
7,130
arithmetic
easy
What is 14 * 52?
728
Multiply: 14 * 52 = 728.
basic_operations
7,131
fractions
medium
What is 16/5 + 14/4? Give as simplified fraction.
67/10
Common denominator 5*4=20. 16/5=64/20, 14/4=70/20. Sum = 134/20 = 67/10 simplified.
fraction_operations
7,132
number_theory
medium
What is the LCM (least common multiple) of 67 and 50?
3350
LCM = |67*50| / GCD(67,50). GCD=1, so LCM=3350/1=3350.
lcm
7,133
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
7,134
arithmetic
easy
What is 585 - 583?
2
Subtract: 585 - 583 = 2.
basic_operations
7,135
fractions
medium
What is 7/7 - 14/4? Give as simplified fraction.
-5/2
Common denominator 28. Numerator 28-98=-70. So -70/28 simplifies to -5/2.
fraction_operations
7,136
arithmetic
easy
What is 737 - 329?
408
Subtract: 737 - 329 = 408.
basic_operations
7,137
fractions
medium
What is 12/8 * 9/13? Give as simplified fraction.
27/26
Multiply numerators: 12*9=108. Denominators: 8*13=104. Simplify by gcd 4 to get 27/26.
fraction_operations
7,138
arithmetic
easy
What is 603 - 357?
246
Subtract: 603 - 357 = 246.
basic_operations
7,139
algebra
easy
Solve for x: 18x - 3 = -93
-5
Add 3 to both sides: 18x = -93+3=-90. Then x = -90/18 = -5.
linear_equation
7,140
number_theory
medium
What is the GCD (greatest common divisor) of 31 and 32?
1
Find greatest number dividing both 31 and 32. Divisors common, greatest is 1.
gcd
7,141
exponents
easy
What is 4^5?
1024
4^5 means multiply 4 by itself 5 times: 4*4*4*4*4 = 1024.
exponents
7,142
calculus
medium
What is the derivative of 3x^7 with respect to x?
21x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^7] = 3*7*x^6 = 21x^6.
derivative
7,143
arithmetic
easy
What is 28354 divided by 61? Give answer to 2 decimal places.
464.82
Calculate 28354/ 61 = 464.8197, rounded to 2 decimals is 464.82.
division
7,144
roots
easy
What is the square root of 1296?
36
Find number that when squared gives 1296. 36*36=1296, so sqrt(1296)=36.
square_roots
7,145
arithmetic
easy
What is 35 * 55?
1925
Multiply: 35 * 55 = 1925.
basic_operations
7,146
statistics
easy
What is the mean (average) of 27, 1, 100, 26, 1?
31
Mean = sum/count. Sum = 27+1+100+26+1=155. Count=5. Mean=155/5=31.0.
mean
7,147
algebra
easy
Solve for x: 17x - 7 = -126
-7
Add 7 to both sides: 17x = -126+7=-119. Then x = -119/17 = -7.
linear_equation
7,148
algebra
medium
Solve for x: x^2 + 1x - 20 = 0
x = 4, -5
Factor: (x - 4)(x - -5) = x^2 -(-1)x + -20 = 0. So x = 4 or -5. Check sum = -1, product = -20.
quadratic
7,149
statistics
easy
What is the mean (average) of 56, 76, 72, 83?
71.75
Mean = sum/count. Sum = 56+76+72+83=287. Count=4. Mean=287/4=71.75.
mean
7,150
percentages
easy
What is 33% of 325?
107.25
Calculate 33/100 * 325 = 0.33*325 = 107.25.
percentages
7,151
arithmetic
easy
What is 8 * 22?
176
Multiply: 8 * 22 = 176.
basic_operations
7,152
number_theory
medium
What is the GCD (greatest common divisor) of 39 and 55?
1
Find greatest number dividing both 39 and 55. Divisors common, greatest is 1.
gcd
7,153
percentages
easy
What is 1% of 824?
8.24
Calculate 1/100 * 824 = 0.01*824 = 8.24.
percentages
7,154
word_problems
easy
If you have 29 pencils and you buy 1 more pencils, how many pencils do you have in total?
30
Add initial 29 plus bought 1: 29+1=30.
addition_word
7,155
statistics
easy
What is the mean (average) of 93, 2, 82?
59
Mean = sum/count. Sum = 93+2+82=177. Count=3. Mean=177/3=59.0.
mean
7,156
word_problems
easy
If you have 33 books and you buy 36 more books, how many books do you have in total?
69
Add initial 33 plus bought 36: 33+36=69.
addition_word
7,157
statistics
easy
What is the mean (average) of 61, 59, 96, 97?
78.25
Mean = sum/count. Sum = 61+59+96+97=313. Count=4. Mean=313/4=78.25.
mean
7,158
arithmetic
easy
What is 7650 / 17?
450
Divide: 7650 ÷ 17 = 450 because 17*450=7650.
division
7,159
roots
easy
What is the square root of 81?
9
Find number that when squared gives 81. 9*9=81, so sqrt(81)=9.
square_roots
7,160
statistics
easy
What is the mean (average) of 65, 50, 26, 1, 100?
48.4
Mean = sum/count. Sum = 65+50+26+1+100=242. Count=5. Mean=242/5=48.4.
mean
7,161
arithmetic
easy
What is 9 + 454 * 11? Remember order of operations.
5003
Order of operations (PEMDAS): first 454*11=4994, then 9+4994=5003.
basic_operations
7,162
algebra
easy
Solve for x: 9x - 32 = -104
-8
Add 32 to both sides: 9x = -104+32=-72. Then x = -72/9 = -8.
linear_equation
7,163
exponents
easy
What is 12^4?
20736
12^4 means multiply 12 by itself 4 times: 12*12*12*12 = 20736.
exponents
7,164
statistics
easy
What is the mean (average) of 87, 7, 45?
46.33
Mean = sum/count. Sum = 87+7+45=139. Count=3. Mean=139/3=46.33.
mean
7,165
statistics
easy
What is the mean (average) of 85, 58, 61, 13, 97?
62.8
Mean = sum/count. Sum = 85+58+61+13+97=314. Count=5. Mean=314/5=62.8.
mean
7,166
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
7,167
statistics
easy
What is the mean (average) of 49, 47, 91?
62.33
Mean = sum/count. Sum = 49+47+91=187. Count=3. Mean=187/3=62.33.
mean
7,168
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
7,169
calculus
medium
What is the derivative of 8x^5 with respect to x?
40x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^5] = 8*5*x^4 = 40x^4.
derivative
7,170
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
7,171
arithmetic
easy
What is 49 * 68?
3332
Multiply: 49 * 68 = 3332.
basic_operations
7,172
fractions
medium
What is 10/10 * 1/2? Give as simplified fraction.
1/2
Multiply numerators: 10*1=10. Denominators: 10*2=20. Simplify by gcd 10 to get 1/2.
fraction_operations
7,173
number_theory
medium
What is the LCM (least common multiple) of 20 and 21?
420
LCM = |20*21| / GCD(20,21). GCD=1, so LCM=420/1=420.
lcm
7,174
algebra
easy
Solve for x: 13x + 37 = 76
3
Subtract 37 from both sides: 13x = 76-37=39. Then divide by 13: x = 39/13 = 3.
linear_equation
7,175
fractions
medium
What is 15/8 + 6/6? Give as simplified fraction.
23/8
Common denominator 8*6=48. 15/8=90/48, 6/6=48/48. Sum = 138/48 = 23/8 simplified.
fraction_operations
7,176
arithmetic
easy
What is 91 * 2?
182
Multiply: 91 * 2 = 182.
basic_operations
7,177
number_theory
medium
What is the LCM (least common multiple) of 89 and 37?
3293
LCM = |89*37| / GCD(89,37). GCD=1, so LCM=3293/1=3293.
lcm
7,178
percentages
easy
What is 54% of 52?
28.08
Calculate 54/100 * 52 = 0.54*52 = 28.08.
percentages
7,179
arithmetic
easy
What is 11132 / 44?
253
Divide: 11132 ÷ 44 = 253 because 44*253=11132.
division
7,180
arithmetic
easy
What is 930 + 968?
1898
Add the two numbers: 930 + 968 = 1898.
basic_operations
7,181
arithmetic
easy
What is 252 / 7?
36
Divide: 252 ÷ 7 = 36 because 7*36=252.
division
7,182
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
7,183
arithmetic
easy
What is 517 - 34?
483
Subtract: 517 - 34 = 483.
basic_operations
7,184
fractions
medium
What is 9/16 * 11/16? Give as simplified fraction.
99/256
Multiply numerators: 9*11=99. Denominators: 16*16=256. Simplify by gcd 1 to get 99/256.
fraction_operations
7,185
fractions
medium
What is 8/12 * 10/18? Give as simplified fraction.
10/27
Multiply numerators: 8*10=80. Denominators: 12*18=216. Simplify by gcd 8 to get 10/27.
fraction_operations
7,186
fractions
medium
What is 12/17 + 3/7? Give as simplified fraction.
135/119
Common denominator 17*7=119. 12/17=84/119, 3/7=51/119. Sum = 135/119 = 135/119 simplified.
fraction_operations
7,187
exponents
easy
What is 11^5?
161051
11^5 means multiply 11 by itself 5 times: 11*11*11*11*11 = 161051.
exponents
7,188
statistics
easy
What is the mean (average) of 12, 33, 50, 32, 91?
43.6
Mean = sum/count. Sum = 12+33+50+32+91=218. Count=5. Mean=218/5=43.6.
mean
7,189
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
7,190
calculus
medium
What is the derivative of 5x^8 with respect to x?
40x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^8] = 5*8*x^7 = 40x^7.
derivative
7,191
percentages
easy
What is 20% of 24?
4.8
Calculate 20/100 * 24 = 0.2*24 = 4.8.
percentages
7,192
fractions
medium
What is 3/17 - 5/15? Give as simplified fraction.
-8/51
Common denominator 255. Numerator 45-85=-40. So -40/255 simplifies to -8/51.
fraction_operations
7,193
number_theory
medium
What is the GCD (greatest common divisor) of 19 and 100?
1
Find greatest number dividing both 19 and 100. Divisors common, greatest is 1.
gcd
7,194
exponents
easy
What is 8^4?
4096
8^4 means multiply 8 by itself 4 times: 8*8*8*8 = 4096.
exponents
7,195
geometry
easy
Find the area of a triangle with base 22 and height 93.
1023
Area = 0.5*base*height = 0.5*22*93 = 1023.
triangle_area
7,196
statistics
easy
What is the mean (average) of 17, 38, 1, 6, 5?
13.4
Mean = sum/count. Sum = 17+38+1+6+5=67. Count=5. Mean=67/5=13.4.
mean
7,197
algebra
easy
Solve for x: 1x + 19 = 24
5
Subtract 19 from both sides: 1x = 24-19=5. Then divide by 1: x = 5/1 = 5.
linear_equation
7,198
arithmetic
easy
What is 49 * 3?
147
Multiply: 49 * 3 = 147.
basic_operations
7,199
arithmetic
easy
What is 785 + 573 * 44? Remember order of operations.
25997
Order of operations (PEMDAS): first 573*44=25212, then 785+25212=25997.
basic_operations
7,200
algebra
easy
Solve for x: 16x - 36 = 44
5
Add 36 to both sides: 16x = 44+36=80. Then x = 80/16 = 5.
linear_equation