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
6,101
word_problems
easy
If you have 60 pencils and you buy 16 more pencils, how many pencils do you have in total?
76
Add initial 60 plus bought 16: 60+16=76.
addition_word
6,102
arithmetic
easy
What is 553 + 228?
781
Add the two numbers: 553 + 228 = 781.
basic_operations
6,103
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
6,104
arithmetic
easy
What is 94 * 79?
7426
Multiply: 94 * 79 = 7426.
basic_operations
6,105
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
6,106
percentages
easy
What is 95% of 620?
589
Calculate 95/100 * 620 = 0.95*620 = 589.
percentages
6,107
percentages
easy
What is 17% of 474?
80.58
Calculate 17/100 * 474 = 0.17*474 = 80.58.
percentages
6,108
algebra
medium
Solve for x: x^2 - 25 = 0
x = 5, -5
Factor: (x - 5)(x - -5) = x^2 -(0)x + -25 = 0. So x = 5 or -5. Check sum = 0, product = -25.
quadratic
6,109
arithmetic
easy
What is 164 + 917?
1081
Add the two numbers: 164 + 917 = 1081.
basic_operations
6,110
percentages
easy
What is 45% of 668?
300.6
Calculate 45/100 * 668 = 0.45*668 = 300.6.
percentages
6,111
arithmetic
easy
What is 55 + 8 * 99? Remember order of operations.
847
Order of operations (PEMDAS): first 8*99=792, then 55+792=847.
basic_operations
6,112
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
6,113
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
6,114
calculus
medium
What is the derivative of 6x^7 with respect to x?
42x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^7] = 6*7*x^6 = 42x^6.
derivative
6,115
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
6,116
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
6,117
statistics
easy
What is the mean (average) of 80, 96, 81, 76?
83.25
Mean = sum/count. Sum = 80+96+81+76=333. Count=4. Mean=333/4=83.25.
mean
6,118
number_theory
medium
What is the GCD (greatest common divisor) of 3 and 58?
1
Find greatest number dividing both 3 and 58. Divisors common, greatest is 1.
gcd
6,119
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
6,120
arithmetic
easy
What is 767 - 429?
338
Subtract: 767 - 429 = 338.
basic_operations
6,121
arithmetic
easy
What is 174 + 46?
220
Add the two numbers: 174 + 46 = 220.
basic_operations
6,122
arithmetic
easy
What is 36408 / 74?
492
Divide: 36408 ÷ 74 = 492 because 74*492=36408.
division
6,123
algebra
medium
Solve for x: x^2 + 13x + 40 = 0
x = -5, -8
Factor: (x - -5)(x - -8) = x^2 -(-13)x + 40 = 0. So x = -5 or -8. Check sum = -13, product = 40.
quadratic
6,124
number_theory
medium
What is the GCD (greatest common divisor) of 100 and 39?
1
Find greatest number dividing both 100 and 39. Divisors common, greatest is 1.
gcd
6,125
arithmetic
easy
What is 5 + 75 * 70? Remember order of operations.
5255
Order of operations (PEMDAS): first 75*70=5250, then 5+5250=5255.
basic_operations
6,126
algebra
medium
Solve for x: x^2 + 3x - 4 = 0
x = 1, -4
Factor: (x - 1)(x - -4) = x^2 -(-3)x + -4 = 0. So x = 1 or -4. Check sum = -3, product = -4.
quadratic
6,127
percentages
easy
What is 27% of 178?
48.06
Calculate 27/100 * 178 = 0.27*178 = 48.06.
percentages
6,128
arithmetic
easy
What is 981 + 172 * 32? Remember order of operations.
6485
Order of operations (PEMDAS): first 172*32=5504, then 981+5504=6485.
basic_operations
6,129
algebra
easy
Solve for x: 12x + 33 = 45
1
Subtract 33 from both sides: 12x = 45-33=12. Then divide by 12: x = 12/12 = 1.
linear_equation
6,130
number_theory
medium
What is the GCD (greatest common divisor) of 8 and 15?
1
Find greatest number dividing both 8 and 15. Divisors common, greatest is 1.
gcd
6,131
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
6,132
roots
easy
What is the square root of 2116?
46
Find number that when squared gives 2116. 46*46=2116, so sqrt(2116)=46.
square_roots
6,133
arithmetic
easy
What is 65 * 71?
4615
Multiply: 65 * 71 = 4615.
basic_operations
6,134
exponents
easy
What is 5^3?
125
5^3 means multiply 5 by itself 3 times: 5*5*5 = 125.
exponents
6,135
percentages
easy
What is 25% of 897?
224.25
Calculate 25/100 * 897 = 0.25*897 = 224.25.
percentages
6,136
algebra
medium
Solve for x: x^2 + 4x + 3 = 0
x = -1, -3
Factor: (x - -1)(x - -3) = x^2 -(-4)x + 3 = 0. So x = -1 or -3. Check sum = -4, product = 3.
quadratic
6,137
calculus
medium
What is the derivative of 10x^3 with respect to x?
30x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^3] = 10*3*x^2 = 30x^2.
derivative
6,138
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
6,139
arithmetic
easy
What is 832 - 551?
281
Subtract: 832 - 551 = 281.
basic_operations
6,140
percentages
easy
What is 16% of 130?
20.8
Calculate 16/100 * 130 = 0.16*130 = 20.8.
percentages
6,141
geometry
easy
Find the area of a circle with radius 6. Use pi=3.14159, round to 2 decimals.
113.1
Area = pi*r^2 = 3.14159*6^2 = 3.14159*36 = 113.1.
circle_area
6,142
algebra
medium
Solve for x: x^2 + 1x - 72 = 0
x = 8, -9
Factor: (x - 8)(x - -9) = x^2 -(-1)x + -72 = 0. So x = 8 or -9. Check sum = -1, product = -72.
quadratic
6,143
word_problems
easy
If you have 47 pencils and you buy 49 more pencils, how many pencils do you have in total?
96
Add initial 47 plus bought 49: 47+49=96.
addition_word
6,144
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
6,145
algebra
easy
Solve for x: 2x - 35 = -57
-11
Add 35 to both sides: 2x = -57+35=-22. Then x = -22/2 = -11.
linear_equation
6,146
percentages
easy
What is 64% of 412?
263.68
Calculate 64/100 * 412 = 0.64*412 = 263.68.
percentages
6,147
fractions
medium
What is 3/17 * 15/11? Give as simplified fraction.
45/187
Multiply numerators: 3*15=45. Denominators: 17*11=187. Simplify by gcd 1 to get 45/187.
fraction_operations
6,148
number_theory
medium
What is the GCD (greatest common divisor) of 36 and 21?
3
Find greatest number dividing both 36 and 21. Divisors common, greatest is 3.
gcd
6,149
arithmetic
easy
What is 394 - 187?
207
Subtract: 394 - 187 = 207.
basic_operations
6,150
fractions
medium
What is 15/12 * 20/5? Give as simplified fraction.
5
Multiply numerators: 15*20=300. Denominators: 12*5=60. Simplify by gcd 60 to get 5.
fraction_operations
6,151
algebra
easy
Solve for x: 6x + 0 = 48
8
Subtract 0 from both sides: 6x = 48-0=48. Then divide by 6: x = 48/6 = 8.
linear_equation
6,152
arithmetic
easy
What is 720 - 235?
485
Subtract: 720 - 235 = 485.
basic_operations
6,153
calculus
medium
What is the derivative of 7x^3 with respect to x?
21x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^3] = 7*3*x^2 = 21x^2.
derivative
6,154
geometry
easy
Find the circumference of a circle with radius 21. Use pi=3.14159, round to 2 decimals.
131.95
Circumference = 2*pi*r = 2*3.14159*21 = 131.95.
circle_circum
6,155
algebra
easy
Solve for x: 17x + 30 = 115
5
Subtract 30 from both sides: 17x = 115-30=85. Then divide by 17: x = 85/17 = 5.
linear_equation
6,156
geometry
easy
Find the circumference of a circle with radius 7. Use pi=3.14159, round to 2 decimals.
43.98
Circumference = 2*pi*r = 2*3.14159*7 = 43.98.
circle_circum
6,157
algebra
easy
Solve for x: 1x + 29 = 36
7
Subtract 29 from both sides: 1x = 36-29=7. Then divide by 1: x = 7/1 = 7.
linear_equation
6,158
arithmetic
easy
What is 24485 / 59?
415
Divide: 24485 ÷ 59 = 415 because 59*415=24485.
division
6,159
arithmetic
easy
What is 5 + 585?
590
Add the two numbers: 5 + 585 = 590.
basic_operations
6,160
geometry
easy
Find the area of a circle with radius 9. Use pi=3.14159, round to 2 decimals.
254.47
Area = pi*r^2 = 3.14159*9^2 = 3.14159*81 = 254.47.
circle_area
6,161
geometry
easy
Find the area of a rectangle with length 25 and width 22.
550
Area = length * width = 25*22 = 550.
rectangle_area
6,162
arithmetic
easy
What is 1820 / 10?
182
Divide: 1820 ÷ 10 = 182 because 10*182=1820.
division
6,163
number_theory
medium
What is the GCD (greatest common divisor) of 2 and 41?
1
Find greatest number dividing both 2 and 41. Divisors common, greatest is 1.
gcd
6,164
geometry
easy
Find the perimeter of a rectangle with length 93 and width 99.
384
Perimeter = 2*(length+width) = 2*(93+99) = 2*192 = 384.
rectangle_perim
6,165
algebra
easy
Solve for x: 4x + 24 = 104
20
Subtract 24 from both sides: 4x = 104-24=80. Then divide by 4: x = 80/4 = 20.
linear_equation
6,166
arithmetic
easy
What is 4884 divided by 40? Give answer to 2 decimal places.
122.1
Calculate 4884/ 40 = 122.1000, rounded to 2 decimals is 122.1.
division
6,167
statistics
easy
What is the mean (average) of 60, 82, 18, 34, 60?
50.8
Mean = sum/count. Sum = 60+82+18+34+60=254. Count=5. Mean=254/5=50.8.
mean
6,168
algebra
easy
Solve for x: 12x + 38 = -10
-4
Subtract 38 from both sides: 12x = -10-38=-48. Then divide by 12: x = -48/12 = -4.
linear_equation
6,169
algebra
easy
Solve for x: 5x - 39 = 21
12
Add 39 to both sides: 5x = 21+39=60. Then x = 60/5 = 12.
linear_equation
6,170
percentages
easy
What is 91% of 839?
763.49
Calculate 91/100 * 839 = 0.91*839 = 763.49.
percentages
6,171
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
6,172
arithmetic
easy
What is 7161 / 77?
93
Divide: 7161 ÷ 77 = 93 because 77*93=7161.
division
6,173
statistics
easy
What is the mean (average) of 6, 56, 64, 82?
52
Mean = sum/count. Sum = 6+56+64+82=208. Count=4. Mean=208/4=52.0.
mean
6,174
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
6,175
fractions
medium
What is 7/9 * 6/20? Give as simplified fraction.
7/30
Multiply numerators: 7*6=42. Denominators: 9*20=180. Simplify by gcd 6 to get 7/30.
fraction_operations
6,176
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
6,177
arithmetic
easy
What is 21009 / 47?
447
Divide: 21009 ÷ 47 = 447 because 47*447=21009.
division
6,178
algebra
medium
Solve for x: x^2 - 4x = 0
x = 0, 4
Factor: (x - 0)(x - 4) = x^2 -(4)x + 0 = 0. So x = 0 or 4. Check sum = 4, product = 0.
quadratic
6,179
exponents
easy
What is 8^4?
4096
8^4 means multiply 8 by itself 4 times: 8*8*8*8 = 4096.
exponents
6,180
arithmetic
easy
What is 65 * 46?
2990
Multiply: 65 * 46 = 2990.
basic_operations
6,181
fractions
medium
What is 18/7 * 11/15? Give as simplified fraction.
66/35
Multiply numerators: 18*11=198. Denominators: 7*15=105. Simplify by gcd 3 to get 66/35.
fraction_operations
6,182
statistics
easy
What is the mean (average) of 52, 23, 3?
26
Mean = sum/count. Sum = 52+23+3=78. Count=3. Mean=78/3=26.0.
mean
6,183
geometry
easy
Find the circumference of a circle with radius 31. Use pi=3.14159, round to 2 decimals.
194.78
Circumference = 2*pi*r = 2*3.14159*31 = 194.78.
circle_circum
6,184
algebra
easy
Solve for x: 19x + 49 = -141
-10
Subtract 49 from both sides: 19x = -141-49=-190. Then divide by 19: x = -190/19 = -10.
linear_equation
6,185
number_theory
medium
What is the LCM (least common multiple) of 40 and 28?
280
LCM = |40*28| / GCD(40,28). GCD=4, so LCM=1120/4=280.
lcm
6,186
number_theory
medium
What is the LCM (least common multiple) of 11 and 75?
825
LCM = |11*75| / GCD(11,75). GCD=1, so LCM=825/1=825.
lcm
6,187
algebra
medium
Solve for x: x^2 - 2x - 35 = 0
x = 7, -5
Factor: (x - 7)(x - -5) = x^2 -(2)x + -35 = 0. So x = 7 or -5. Check sum = 2, product = -35.
quadratic
6,188
algebra
medium
Solve for x: x^2 + 4x - 5 = 0
x = -5, 1
Factor: (x - -5)(x - 1) = x^2 -(-4)x + -5 = 0. So x = -5 or 1. Check sum = -4, product = -5.
quadratic
6,189
arithmetic
easy
What is 774 + 109?
883
Add the two numbers: 774 + 109 = 883.
basic_operations
6,190
calculus
medium
What is the derivative of 5x^3 with respect to x?
15x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^3] = 5*3*x^2 = 15x^2.
derivative
6,191
word_problems
easy
If you have 27 candies and you buy 36 more candies, how many candies do you have in total?
63
Add initial 27 plus bought 36: 27+36=63.
addition_word
6,192
fractions
medium
What is 19/10 + 6/2? Give as simplified fraction.
49/10
Common denominator 10*2=20. 19/10=38/20, 6/2=60/20. Sum = 98/20 = 49/10 simplified.
fraction_operations
6,193
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
6,194
geometry
easy
Find the area of a rectangle with length 37 and width 73.
2701
Area = length * width = 37*73 = 2701.
rectangle_area
6,195
algebra
medium
Solve for x: x^2 + 1x - 90 = 0
x = 9, -10
Factor: (x - 9)(x - -10) = x^2 -(-1)x + -90 = 0. So x = 9 or -10. Check sum = -1, product = -90.
quadratic
6,196
arithmetic
easy
What is 720 - 621?
99
Subtract: 720 - 621 = 99.
basic_operations
6,197
word_problems
easy
If you have 10 candies and you buy 9 more candies, how many candies do you have in total?
19
Add initial 10 plus bought 9: 10+9=19.
addition_word
6,198
calculus
medium
What is the derivative of 5x^2 with respect to x?
10x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^2] = 5*2*x^1 = 10x.
derivative
6,199
roots
easy
What is the square root of 16?
4
Find number that when squared gives 16. 4*4=16, so sqrt(16)=4.
square_roots
6,200
number_theory
medium
What is the GCD (greatest common divisor) of 56 and 25?
1
Find greatest number dividing both 56 and 25. Divisors common, greatest is 1.
gcd