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
734,101
arithmetic
easy
What is 31584 / 94?
336
Divide: 31584 ÷ 94 = 336 because 94*336=31584.
division
734,102
fractions
medium
What is 15/2 - 1/7? Give as simplified fraction.
103/14
Common denominator 14. Numerator 105-2=103. So 103/14 simplifies to 103/14.
fraction_operations
734,103
geometry
easy
Find the perimeter of a rectangle with length 27 and width 15.
84
Perimeter = 2*(length+width) = 2*(27+15) = 2*42 = 84.
rectangle_perim
734,104
arithmetic
easy
What is 725 + 222 * 18? Remember order of operations.
4721
Order of operations (PEMDAS): first 222*18=3996, then 725+3996=4721.
basic_operations
734,105
arithmetic
easy
What is 31 * 91?
2821
Multiply: 31 * 91 = 2821.
basic_operations
734,106
algebra
easy
Solve for x: 12x - 8 = 148
13
Add 8 to both sides: 12x = 148+8=156. Then x = 156/12 = 13.
linear_equation
734,107
arithmetic
easy
What is 346 + 491 * 58? Remember order of operations.
28824
Order of operations (PEMDAS): first 491*58=28478, then 346+28478=28824.
basic_operations
734,108
word_problems
easy
If you have 82 apples and you buy 37 more apples, how many apples do you have in total?
119
Add initial 82 plus bought 37: 82+37=119.
addition_word
734,109
number_theory
medium
What is the LCM (least common multiple) of 74 and 56?
2072
LCM = |74*56| / GCD(74,56). GCD=2, so LCM=4144/2=2072.
lcm
734,110
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
734,111
percentages
easy
What is 42% of 732?
307.44
Calculate 42/100 * 732 = 0.42*732 = 307.44.
percentages
734,112
algebra
easy
Solve for x: 14x + 3 = 213
15
Subtract 3 from both sides: 14x = 213-3=210. Then divide by 14: x = 210/14 = 15.
linear_equation
734,113
arithmetic
easy
What is 78 * 68?
5304
Multiply: 78 * 68 = 5304.
basic_operations
734,114
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
734,115
statistics
easy
What is the mean (average) of 5, 6, 39, 23, 90?
32.6
Mean = sum/count. Sum = 5+6+39+23+90=163. Count=5. Mean=163/5=32.6.
mean
734,116
arithmetic
easy
What is 4880 / 20?
244
Divide: 4880 ÷ 20 = 244 because 20*244=4880.
division
734,117
arithmetic
easy
What is 548 + 531 * 61? Remember order of operations.
32939
Order of operations (PEMDAS): first 531*61=32391, then 548+32391=32939.
basic_operations
734,118
number_theory
medium
What is the GCD (greatest common divisor) of 18 and 5?
1
Find greatest number dividing both 18 and 5. Divisors common, greatest is 1.
gcd
734,119
algebra
medium
Solve for x: x^2 - 3x + 2 = 0
x = 1, 2
Factor: (x - 1)(x - 2) = x^2 -(3)x + 2 = 0. So x = 1 or 2. Check sum = 3, product = 2.
quadratic
734,120
algebra
easy
Solve for x: 8x - 25 = 127
19
Add 25 to both sides: 8x = 127+25=152. Then x = 152/8 = 19.
linear_equation
734,121
arithmetic
easy
What is 114 + 826?
940
Add the two numbers: 114 + 826 = 940.
basic_operations
734,122
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
734,123
arithmetic
easy
What is 715 + 727 * 59? Remember order of operations.
43608
Order of operations (PEMDAS): first 727*59=42893, then 715+42893=43608.
basic_operations
734,124
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
734,125
number_theory
medium
What is the LCM (least common multiple) of 20 and 98?
980
LCM = |20*98| / GCD(20,98). GCD=2, so LCM=1960/2=980.
lcm
734,126
statistics
easy
What is the mean (average) of 80, 22, 72, 73, 34?
56.2
Mean = sum/count. Sum = 80+22+72+73+34=281. Count=5. Mean=281/5=56.2.
mean
734,127
arithmetic
easy
What is 979 + 23?
1002
Add the two numbers: 979 + 23 = 1002.
basic_operations
734,128
statistics
easy
What is the mean (average) of 77, 25, 70?
57.33
Mean = sum/count. Sum = 77+25+70=172. Count=3. Mean=172/3=57.33.
mean
734,129
roots
easy
What is the square root of 900?
30
Find number that when squared gives 900. 30*30=900, so sqrt(900)=30.
square_roots
734,130
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
734,131
algebra
easy
Solve for x: 19x - 3 = 73
4
Add 3 to both sides: 19x = 73+3=76. Then x = 76/19 = 4.
linear_equation
734,132
calculus
medium
What is the derivative of 6x^2 with respect to x?
12x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^2] = 6*2*x^1 = 12x.
derivative
734,133
number_theory
medium
What is the GCD (greatest common divisor) of 97 and 71?
1
Find greatest number dividing both 97 and 71. Divisors common, greatest is 1.
gcd
734,134
number_theory
medium
What is the LCM (least common multiple) of 100 and 63?
6300
LCM = |100*63| / GCD(100,63). GCD=1, so LCM=6300/1=6300.
lcm
734,135
number_theory
medium
What is the LCM (least common multiple) of 88 and 68?
1496
LCM = |88*68| / GCD(88,68). GCD=4, so LCM=5984/4=1496.
lcm
734,136
number_theory
medium
What is the LCM (least common multiple) of 3 and 28?
84
LCM = |3*28| / GCD(3,28). GCD=1, so LCM=84/1=84.
lcm
734,137
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
734,138
number_theory
medium
What is the LCM (least common multiple) of 33 and 84?
924
LCM = |33*84| / GCD(33,84). GCD=3, so LCM=2772/3=924.
lcm
734,139
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
734,140
percentages
easy
What is 87% of 80?
69.6
Calculate 87/100 * 80 = 0.87*80 = 69.6.
percentages
734,141
arithmetic
easy
What is 10370 / 85?
122
Divide: 10370 ÷ 85 = 122 because 85*122=10370.
division
734,142
algebra
easy
Solve for x: 12x + 27 = 51
2
Subtract 27 from both sides: 12x = 51-27=24. Then divide by 12: x = 24/12 = 2.
linear_equation
734,143
fractions
medium
What is 16/10 + 11/18? Give as simplified fraction.
199/90
Common denominator 10*18=180. 16/10=288/180, 11/18=110/180. Sum = 398/180 = 199/90 simplified.
fraction_operations
734,144
number_theory
medium
What is the LCM (least common multiple) of 26 and 70?
910
LCM = |26*70| / GCD(26,70). GCD=2, so LCM=1820/2=910.
lcm
734,145
word_problems
easy
If you have 87 apples and you buy 35 more apples, how many apples do you have in total?
122
Add initial 87 plus bought 35: 87+35=122.
addition_word
734,146
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
734,147
percentages
easy
What is 26% of 445?
115.7
Calculate 26/100 * 445 = 0.26*445 = 115.7.
percentages
734,148
arithmetic
easy
What is 912 - 46?
866
Subtract: 912 - 46 = 866.
basic_operations
734,149
calculus
medium
What is the derivative of 8x^4 with respect to x?
32x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^4] = 8*4*x^3 = 32x^3.
derivative
734,150
arithmetic
easy
What is 978 - 201?
777
Subtract: 978 - 201 = 777.
basic_operations
734,151
word_problems
easy
If you have 88 apples and you buy 24 more apples, how many apples do you have in total?
112
Add initial 88 plus bought 24: 88+24=112.
addition_word
734,152
statistics
easy
What is the mean (average) of 73, 68, 98, 10?
62.25
Mean = sum/count. Sum = 73+68+98+10=249. Count=4. Mean=249/4=62.25.
mean
734,153
fractions
medium
What is 4/17 + 13/17? Give as simplified fraction.
1
Common denominator 17*17=289. 4/17=68/289, 13/17=221/289. Sum = 289/289 = 1 simplified.
fraction_operations
734,154
algebra
easy
Solve for x: 19x - 19 = -171
-8
Add 19 to both sides: 19x = -171+19=-152. Then x = -152/19 = -8.
linear_equation
734,155
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
734,156
arithmetic
easy
What is 69 + 31 * 80? Remember order of operations.
2549
Order of operations (PEMDAS): first 31*80=2480, then 69+2480=2549.
basic_operations
734,157
exponents
easy
What is 10^5?
100000
10^5 means multiply 10 by itself 5 times: 10*10*10*10*10 = 100000.
exponents
734,158
arithmetic
easy
What is 24 * 10?
240
Multiply: 24 * 10 = 240.
basic_operations
734,159
exponents
easy
What is 10^2?
100
10^2 means multiply 10 by itself 2 times: 10*10 = 100.
exponents
734,160
exponents
easy
What is 10^3?
1000
10^3 means multiply 10 by itself 3 times: 10*10*10 = 1000.
exponents
734,161
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
734,162
algebra
easy
Solve for x: 16x + 50 = -126
-11
Subtract 50 from both sides: 16x = -126-50=-176. Then divide by 16: x = -176/16 = -11.
linear_equation
734,163
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
734,164
statistics
easy
What is the mean (average) of 74, 30, 56, 92?
63
Mean = sum/count. Sum = 74+30+56+92=252. Count=4. Mean=252/4=63.0.
mean
734,165
arithmetic
easy
What is 11 + 111 * 75? Remember order of operations.
8336
Order of operations (PEMDAS): first 111*75=8325, then 11+8325=8336.
basic_operations
734,166
roots
easy
What is the square root of 324?
18
Find number that when squared gives 324. 18*18=324, so sqrt(324)=18.
square_roots
734,167
geometry
easy
Find the circumference of a circle with radius 6. Use pi=3.14159, round to 2 decimals.
37.7
Circumference = 2*pi*r = 2*3.14159*6 = 37.7.
circle_circum
734,168
arithmetic
easy
What is 4439 / 23?
193
Divide: 4439 ÷ 23 = 193 because 23*193=4439.
division
734,169
roots
easy
What is the square root of 1369?
37
Find number that when squared gives 1369. 37*37=1369, so sqrt(1369)=37.
square_roots
734,170
statistics
easy
What is the mean (average) of 64, 8, 57, 88, 62?
55.8
Mean = sum/count. Sum = 64+8+57+88+62=279. Count=5. Mean=279/5=55.8.
mean
734,171
exponents
easy
What is 9^2?
81
9^2 means multiply 9 by itself 2 times: 9*9 = 81.
exponents
734,172
arithmetic
easy
What is 904 + 665 * 84? Remember order of operations.
56764
Order of operations (PEMDAS): first 665*84=55860, then 904+55860=56764.
basic_operations
734,173
algebra
easy
Solve for x: 16x - 10 = 6
1
Add 10 to both sides: 16x = 6+10=16. Then x = 16/16 = 1.
linear_equation
734,174
calculus
medium
What is the derivative of 7x^6 with respect to x?
42x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^6] = 7*6*x^5 = 42x^5.
derivative
734,175
arithmetic
easy
What is 49 * 76?
3724
Multiply: 49 * 76 = 3724.
basic_operations
734,176
fractions
medium
What is 8/17 - 4/8? Give as simplified fraction.
-1/34
Common denominator 136. Numerator 64-68=-4. So -4/136 simplifies to -1/34.
fraction_operations
734,177
statistics
easy
What is the mean (average) of 81, 58, 39?
59.33
Mean = sum/count. Sum = 81+58+39=178. Count=3. Mean=178/3=59.33.
mean
734,178
arithmetic
easy
What is 4876 / 53?
92
Divide: 4876 ÷ 53 = 92 because 53*92=4876.
division
734,179
algebra
medium
Solve for x: x^2 - 16 = 0
x = 4, -4
Factor: (x - 4)(x - -4) = x^2 -(0)x + -16 = 0. So x = 4 or -4. Check sum = 0, product = -16.
quadratic
734,180
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
734,181
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
734,182
arithmetic
easy
What is 12740 / 28?
455
Divide: 12740 ÷ 28 = 455 because 28*455=12740.
division
734,183
arithmetic
easy
What is 59 + 83 * 72? Remember order of operations.
6035
Order of operations (PEMDAS): first 83*72=5976, then 59+5976=6035.
basic_operations
734,184
statistics
easy
What is the mean (average) of 90, 18, 43, 41, 55?
49.4
Mean = sum/count. Sum = 90+18+43+41+55=247. Count=5. Mean=247/5=49.4.
mean
734,185
arithmetic
easy
What is 69 + 58 * 59? Remember order of operations.
3491
Order of operations (PEMDAS): first 58*59=3422, then 69+3422=3491.
basic_operations
734,186
number_theory
medium
What is the LCM (least common multiple) of 59 and 20?
1180
LCM = |59*20| / GCD(59,20). GCD=1, so LCM=1180/1=1180.
lcm
734,187
algebra
easy
Solve for x: 1x + 47 = 49
2
Subtract 47 from both sides: 1x = 49-47=2. Then divide by 1: x = 2/1 = 2.
linear_equation
734,188
word_problems
easy
If you have 80 dollars and you buy 9 more dollars, how many dollars do you have in total?
89
Add initial 80 plus bought 9: 80+9=89.
addition_word
734,189
fractions
medium
What is 11/18 + 17/4? Give as simplified fraction.
175/36
Common denominator 18*4=72. 11/18=44/72, 17/4=306/72. Sum = 350/72 = 175/36 simplified.
fraction_operations
734,190
arithmetic
easy
What is 23010 / 59?
390
Divide: 23010 ÷ 59 = 390 because 59*390=23010.
division
734,191
percentages
easy
What is 69% of 545?
376.05
Calculate 69/100 * 545 = 0.69*545 = 376.05.
percentages
734,192
arithmetic
easy
What is 318 + 937?
1255
Add the two numbers: 318 + 937 = 1255.
basic_operations
734,193
statistics
easy
What is the mean (average) of 94, 69, 99?
87.33
Mean = sum/count. Sum = 94+69+99=262. Count=3. Mean=262/3=87.33.
mean
734,194
geometry
easy
Find the area of a circle with radius 25. Use pi=3.14159, round to 2 decimals.
1963.5
Area = pi*r^2 = 3.14159*25^2 = 3.14159*625 = 1963.5.
circle_area
734,195
arithmetic
easy
What is 569 - 289?
280
Subtract: 569 - 289 = 280.
basic_operations
734,196
arithmetic
easy
What is 42 * 28?
1176
Multiply: 42 * 28 = 1176.
basic_operations
734,197
arithmetic
easy
What is 249 - 145?
104
Subtract: 249 - 145 = 104.
basic_operations
734,198
algebra
easy
Solve for x: 5x + 39 = 49
2
Subtract 39 from both sides: 5x = 49-39=10. Then divide by 5: x = 10/5 = 2.
linear_equation
734,199
percentages
easy
What is 97% of 624?
605.28
Calculate 97/100 * 624 = 0.97*624 = 605.28.
percentages
734,200
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