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
2,101
arithmetic
easy
What is 6015 / 15?
401
Divide: 6015 ÷ 15 = 401 because 15*401=6015.
division
2,102
arithmetic
easy
What is 16 * 27?
432
Multiply: 16 * 27 = 432.
basic_operations
2,103
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
2,104
statistics
easy
What is the mean (average) of 13, 20, 83, 47, 43?
41.2
Mean = sum/count. Sum = 13+20+83+47+43=206. Count=5. Mean=206/5=41.2.
mean
2,105
algebra
easy
Solve for x: 4x - 25 = 7
8
Add 25 to both sides: 4x = 7+25=32. Then x = 32/4 = 8.
linear_equation
2,106
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
2,107
arithmetic
easy
What is 855 + 252 * 61? Remember order of operations.
16227
Order of operations (PEMDAS): first 252*61=15372, then 855+15372=16227.
basic_operations
2,108
algebra
medium
Solve for x: x^2 + 10x + 16 = 0
x = -8, -2
Factor: (x - -8)(x - -2) = x^2 -(-10)x + 16 = 0. So x = -8 or -2. Check sum = -10, product = 16.
quadratic
2,109
number_theory
medium
What is the LCM (least common multiple) of 92 and 97?
8924
LCM = |92*97| / GCD(92,97). GCD=1, so LCM=8924/1=8924.
lcm
2,110
number_theory
medium
What is the GCD (greatest common divisor) of 81 and 86?
1
Find greatest number dividing both 81 and 86. Divisors common, greatest is 1.
gcd
2,111
algebra
easy
Solve for x: 17x + 3 = -99
-6
Subtract 3 from both sides: 17x = -99-3=-102. Then divide by 17: x = -102/17 = -6.
linear_equation
2,112
algebra
easy
Solve for x: 14x + 2 = 86
6
Subtract 2 from both sides: 14x = 86-2=84. Then divide by 14: x = 84/14 = 6.
linear_equation
2,113
word_problems
easy
If you have 71 dollars and you buy 44 more dollars, how many dollars do you have in total?
115
Add initial 71 plus bought 44: 71+44=115.
addition_word
2,114
arithmetic
easy
What is 454 + 150?
604
Add the two numbers: 454 + 150 = 604.
basic_operations
2,115
arithmetic
easy
What is 347 - 87?
260
Subtract: 347 - 87 = 260.
basic_operations
2,116
algebra
medium
Solve for x: x^2 + 6x - 27 = 0
x = 3, -9
Factor: (x - 3)(x - -9) = x^2 -(-6)x + -27 = 0. So x = 3 or -9. Check sum = -6, product = -27.
quadratic
2,117
calculus
medium
What is the derivative of 1x^8 with respect to x?
8x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^8] = 1*8*x^7 = 8x^7.
derivative
2,118
algebra
easy
Solve for x: 19x - 43 = 337
20
Add 43 to both sides: 19x = 337+43=380. Then x = 380/19 = 20.
linear_equation
2,119
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
2,120
exponents
easy
What is 7^4?
2401
7^4 means multiply 7 by itself 4 times: 7*7*7*7 = 2401.
exponents
2,121
arithmetic
easy
What is 19 * 90?
1710
Multiply: 19 * 90 = 1710.
basic_operations
2,122
fractions
medium
What is 18/16 + 12/14? Give as simplified fraction.
111/56
Common denominator 16*14=224. 18/16=252/224, 12/14=192/224. Sum = 444/224 = 111/56 simplified.
fraction_operations
2,123
exponents
easy
What is 3^2?
9
3^2 means multiply 3 by itself 2 times: 3*3 = 9.
exponents
2,124
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
2,125
algebra
easy
Solve for x: 17x + 19 = -15
-2
Subtract 19 from both sides: 17x = -15-19=-34. Then divide by 17: x = -34/17 = -2.
linear_equation
2,126
fractions
medium
What is 3/18 * 18/11? Give as simplified fraction.
3/11
Multiply numerators: 3*18=54. Denominators: 18*11=198. Simplify by gcd 18 to get 3/11.
fraction_operations
2,127
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
2,128
algebra
medium
Solve for x: x^2 + 20x + 100 = 0
x = -10
Factor as (x - -10)^2 = 0, so root is -10 (double root). Sum of roots = -20, product = 100.
quadratic
2,129
geometry
easy
Find the perimeter of a rectangle with length 100 and width 39.
278
Perimeter = 2*(length+width) = 2*(100+39) = 2*139 = 278.
rectangle_perim
2,130
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
2,131
arithmetic
easy
What is 2945 / 95?
31
Divide: 2945 ÷ 95 = 31 because 95*31=2945.
division
2,132
number_theory
medium
What is the GCD (greatest common divisor) of 16 and 7?
1
Find greatest number dividing both 16 and 7. Divisors common, greatest is 1.
gcd
2,133
word_problems
easy
If you have 43 apples and you buy 37 more apples, how many apples do you have in total?
80
Add initial 43 plus bought 37: 43+37=80.
addition_word
2,134
word_problems
easy
If you have 48 pencils and you buy 16 more pencils, how many pencils do you have in total?
64
Add initial 48 plus bought 16: 48+16=64.
addition_word
2,135
percentages
easy
What is 45% of 307?
138.15
Calculate 45/100 * 307 = 0.45*307 = 138.15.
percentages
2,136
exponents
easy
What is 12^3?
1728
12^3 means multiply 12 by itself 3 times: 12*12*12 = 1728.
exponents
2,137
calculus
medium
What is the derivative of 4x^6 with respect to x?
24x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^6] = 4*6*x^5 = 24x^5.
derivative
2,138
arithmetic
easy
What is 11395 / 43?
265
Divide: 11395 ÷ 43 = 265 because 43*265=11395.
division
2,139
number_theory
medium
What is the GCD (greatest common divisor) of 59 and 13?
1
Find greatest number dividing both 59 and 13. Divisors common, greatest is 1.
gcd
2,140
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
2,141
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
2,142
arithmetic
easy
What is 436 + 64 * 17? Remember order of operations.
1524
Order of operations (PEMDAS): first 64*17=1088, then 436+1088=1524.
basic_operations
2,143
arithmetic
easy
What is 694 - 379?
315
Subtract: 694 - 379 = 315.
basic_operations
2,144
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
2,145
statistics
easy
What is the mean (average) of 55, 57, 89, 63, 94?
71.6
Mean = sum/count. Sum = 55+57+89+63+94=358. Count=5. Mean=358/5=71.6.
mean
2,146
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
2,147
algebra
medium
Solve for x: x^2 - 36 = 0
x = -6, 6
Factor: (x - -6)(x - 6) = x^2 -(0)x + -36 = 0. So x = -6 or 6. Check sum = 0, product = -36.
quadratic
2,148
algebra
easy
Solve for x: 16x + 41 = 185
9
Subtract 41 from both sides: 16x = 185-41=144. Then divide by 16: x = 144/16 = 9.
linear_equation
2,149
algebra
easy
Solve for x: 17x + 17 = -204
-13
Subtract 17 from both sides: 17x = -204-17=-221. Then divide by 17: x = -221/17 = -13.
linear_equation
2,150
fractions
medium
What is 15/17 * 2/7? Give as simplified fraction.
30/119
Multiply numerators: 15*2=30. Denominators: 17*7=119. Simplify by gcd 1 to get 30/119.
fraction_operations
2,151
number_theory
medium
What is the LCM (least common multiple) of 16 and 78?
624
LCM = |16*78| / GCD(16,78). GCD=2, so LCM=1248/2=624.
lcm
2,152
arithmetic
easy
What is 3230 / 17?
190
Divide: 3230 ÷ 17 = 190 because 17*190=3230.
division
2,153
algebra
easy
Solve for x: 4x - 3 = -7
-1
Add 3 to both sides: 4x = -7+3=-4. Then x = -4/4 = -1.
linear_equation
2,154
number_theory
medium
What is the LCM (least common multiple) of 39 and 38?
1482
LCM = |39*38| / GCD(39,38). GCD=1, so LCM=1482/1=1482.
lcm
2,155
arithmetic
easy
What is 54 * 7?
378
Multiply: 54 * 7 = 378.
basic_operations
2,156
exponents
easy
What is 6^3?
216
6^3 means multiply 6 by itself 3 times: 6*6*6 = 216.
exponents
2,157
algebra
medium
Solve for x: x^2 + 5x - 50 = 0
x = 5, -10
Factor: (x - 5)(x - -10) = x^2 -(-5)x + -50 = 0. So x = 5 or -10. Check sum = -5, product = -50.
quadratic
2,158
arithmetic
easy
What is 12888 / 72?
179
Divide: 12888 ÷ 72 = 179 because 72*179=12888.
division
2,159
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
2,160
exponents
easy
What is 11^5?
161051
11^5 means multiply 11 by itself 5 times: 11*11*11*11*11 = 161051.
exponents
2,161
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
2,162
statistics
easy
What is the mean (average) of 78, 17, 98, 18, 65?
55.2
Mean = sum/count. Sum = 78+17+98+18+65=276. Count=5. Mean=276/5=55.2.
mean
2,163
word_problems
easy
If you have 62 candies and you buy 43 more candies, how many candies do you have in total?
105
Add initial 62 plus bought 43: 62+43=105.
addition_word
2,164
algebra
easy
Solve for x: 11x - 39 = 170
19
Add 39 to both sides: 11x = 170+39=209. Then x = 209/11 = 19.
linear_equation
2,165
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
2,166
percentages
easy
What is 51% of 348?
177.48
Calculate 51/100 * 348 = 0.51*348 = 177.48.
percentages
2,167
arithmetic
easy
What is 36 + 83 * 57? Remember order of operations.
4767
Order of operations (PEMDAS): first 83*57=4731, then 36+4731=4767.
basic_operations
2,168
algebra
medium
Solve for x: x^2 + 2x - 80 = 0
x = -10, 8
Factor: (x - -10)(x - 8) = x^2 -(-2)x + -80 = 0. So x = -10 or 8. Check sum = -2, product = -80.
quadratic
2,169
exponents
easy
What is 10^2?
100
10^2 means multiply 10 by itself 2 times: 10*10 = 100.
exponents
2,170
arithmetic
easy
What is 74 + 97 * 80? Remember order of operations.
7834
Order of operations (PEMDAS): first 97*80=7760, then 74+7760=7834.
basic_operations
2,171
fractions
medium
What is 16/18 * 1/5? Give as simplified fraction.
8/45
Multiply numerators: 16*1=16. Denominators: 18*5=90. Simplify by gcd 2 to get 8/45.
fraction_operations
2,172
algebra
medium
Solve for x: x^2 + 12x + 20 = 0
x = -10, -2
Factor: (x - -10)(x - -2) = x^2 -(-12)x + 20 = 0. So x = -10 or -2. Check sum = -12, product = 20.
quadratic
2,173
fractions
medium
What is 8/20 * 15/4? Give as simplified fraction.
3/2
Multiply numerators: 8*15=120. Denominators: 20*4=80. Simplify by gcd 40 to get 3/2.
fraction_operations
2,174
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
2,175
arithmetic
easy
What is 883 - 504?
379
Subtract: 883 - 504 = 379.
basic_operations
2,176
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
2,177
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
2,178
geometry
easy
Find the area of a rectangle with length 15 and width 13.
195
Area = length * width = 15*13 = 195.
rectangle_area
2,179
algebra
medium
Solve for x: x^2 + 7x + 6 = 0
x = -1, -6
Factor: (x - -1)(x - -6) = x^2 -(-7)x + 6 = 0. So x = -1 or -6. Check sum = -7, product = 6.
quadratic
2,180
algebra
medium
Solve for x: x^2 + 10x + 16 = 0
x = -2, -8
Factor: (x - -2)(x - -8) = x^2 -(-10)x + 16 = 0. So x = -2 or -8. Check sum = -10, product = 16.
quadratic
2,181
algebra
easy
Solve for x: 10x + 2 = -98
-10
Subtract 2 from both sides: 10x = -98-2=-100. Then divide by 10: x = -100/10 = -10.
linear_equation
2,182
arithmetic
easy
What is 630 + 985 * 42? Remember order of operations.
42000
Order of operations (PEMDAS): first 985*42=41370, then 630+41370=42000.
basic_operations
2,183
arithmetic
easy
What is 400 + 306 * 13? Remember order of operations.
4378
Order of operations (PEMDAS): first 306*13=3978, then 400+3978=4378.
basic_operations
2,184
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
2,185
calculus
medium
What is the derivative of 2x^8 with respect to x?
16x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^8] = 2*8*x^7 = 16x^7.
derivative
2,186
arithmetic
easy
What is 76 * 31?
2356
Multiply: 76 * 31 = 2356.
basic_operations
2,187
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
2,188
arithmetic
easy
What is 476 + 326 * 71? Remember order of operations.
23622
Order of operations (PEMDAS): first 326*71=23146, then 476+23146=23622.
basic_operations
2,189
arithmetic
easy
What is 418 + 649 * 30? Remember order of operations.
19888
Order of operations (PEMDAS): first 649*30=19470, then 418+19470=19888.
basic_operations
2,190
arithmetic
easy
What is 12903 / 33?
391
Divide: 12903 ÷ 33 = 391 because 33*391=12903.
division
2,191
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
2,192
arithmetic
easy
What is 867 + 652?
1519
Add the two numbers: 867 + 652 = 1519.
basic_operations
2,193
algebra
easy
Solve for x: 12x + 19 = -101
-10
Subtract 19 from both sides: 12x = -101-19=-120. Then divide by 12: x = -120/12 = -10.
linear_equation
2,194
percentages
easy
What is 69% of 976?
673.44
Calculate 69/100 * 976 = 0.69*976 = 673.44.
percentages
2,195
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
2,196
word_problems
easy
If you have 10 candies and you buy 1 more candies, how many candies do you have in total?
11
Add initial 10 plus bought 1: 10+1=11.
addition_word
2,197
exponents
easy
What is 12^3?
1728
12^3 means multiply 12 by itself 3 times: 12*12*12 = 1728.
exponents
2,198
arithmetic
easy
What is 956 - 62?
894
Subtract: 956 - 62 = 894.
basic_operations
2,199
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
2,200
exponents
easy
What is 2^3?
8
2^3 means multiply 2 by itself 3 times: 2*2*2 = 8.
exponents