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
3,001
algebra
easy
Solve for x: 10x + 30 = 20
-1
Subtract 30 from both sides: 10x = 20-30=-10. Then divide by 10: x = -10/10 = -1.
linear_equation
3,002
arithmetic
easy
What is 26 + 15 * 80? Remember order of operations.
1226
Order of operations (PEMDAS): first 15*80=1200, then 26+1200=1226.
basic_operations
3,003
algebra
easy
Solve for x: 20x - 35 = 225
13
Add 35 to both sides: 20x = 225+35=260. Then x = 260/20 = 13.
linear_equation
3,004
arithmetic
easy
What is 3472 divided by 33? Give answer to 2 decimal places.
105.21
Calculate 3472/ 33 = 105.2121, rounded to 2 decimals is 105.21.
division
3,005
arithmetic
easy
What is 853 + 518 * 57? Remember order of operations.
30379
Order of operations (PEMDAS): first 518*57=29526, then 853+29526=30379.
basic_operations
3,006
arithmetic
easy
What is 8320 / 40?
208
Divide: 8320 ÷ 40 = 208 because 40*208=8320.
division
3,007
percentages
easy
What is 70% of 267?
186.9
Calculate 70/100 * 267 = 0.7*267 = 186.9.
percentages
3,008
word_problems
easy
If you have 89 apples and you buy 40 more apples, how many apples do you have in total?
129
Add initial 89 plus bought 40: 89+40=129.
addition_word
3,009
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
3,010
arithmetic
easy
What is 31 * 22?
682
Multiply: 31 * 22 = 682.
basic_operations
3,011
fractions
medium
What is 16/17 * 10/11? Give as simplified fraction.
160/187
Multiply numerators: 16*10=160. Denominators: 17*11=187. Simplify by gcd 1 to get 160/187.
fraction_operations
3,012
arithmetic
easy
What is 19481 / 77?
253
Divide: 19481 ÷ 77 = 253 because 77*253=19481.
division
3,013
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
3,014
word_problems
easy
If you have 58 books and you buy 28 more books, how many books do you have in total?
86
Add initial 58 plus bought 28: 58+28=86.
addition_word
3,015
arithmetic
easy
What is 50 * 2?
100
Multiply: 50 * 2 = 100.
basic_operations
3,016
arithmetic
easy
What is 57 * 6?
342
Multiply: 57 * 6 = 342.
basic_operations
3,017
number_theory
medium
What is the LCM (least common multiple) of 18 and 60?
180
LCM = |18*60| / GCD(18,60). GCD=6, so LCM=1080/6=180.
lcm
3,018
geometry
easy
Find the area of a rectangle with length 21 and width 46.
966
Area = length * width = 21*46 = 966.
rectangle_area
3,019
fractions
medium
What is 12/18 + 13/18? Give as simplified fraction.
25/18
Common denominator 18*18=324. 12/18=216/324, 13/18=234/324. Sum = 450/324 = 25/18 simplified.
fraction_operations
3,020
algebra
medium
Solve for x: x^2 - 4x - 60 = 0
x = 10, -6
Factor: (x - 10)(x - -6) = x^2 -(4)x + -60 = 0. So x = 10 or -6. Check sum = 4, product = -60.
quadratic
3,021
number_theory
medium
What is the LCM (least common multiple) of 84 and 93?
2604
LCM = |84*93| / GCD(84,93). GCD=3, so LCM=7812/3=2604.
lcm
3,022
word_problems
easy
If you have 96 dollars and you buy 9 more dollars, how many dollars do you have in total?
105
Add initial 96 plus bought 9: 96+9=105.
addition_word
3,023
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
3,024
statistics
easy
What is the mean (average) of 61, 78, 85, 24?
62
Mean = sum/count. Sum = 61+78+85+24=248. Count=4. Mean=248/4=62.0.
mean
3,025
geometry
easy
Find the perimeter of a rectangle with length 90 and width 42.
264
Perimeter = 2*(length+width) = 2*(90+42) = 2*132 = 264.
rectangle_perim
3,026
number_theory
medium
What is the LCM (least common multiple) of 75 and 80?
1200
LCM = |75*80| / GCD(75,80). GCD=5, so LCM=6000/5=1200.
lcm
3,027
arithmetic
easy
What is 47 + 31 * 94? Remember order of operations.
2961
Order of operations (PEMDAS): first 31*94=2914, then 47+2914=2961.
basic_operations
3,028
arithmetic
easy
What is 31135 / 65?
479
Divide: 31135 ÷ 65 = 479 because 65*479=31135.
division
3,029
percentages
easy
What is 99% of 828?
819.72
Calculate 99/100 * 828 = 0.99*828 = 819.72.
percentages
3,030
percentages
easy
What is 14% of 922?
129.08
Calculate 14/100 * 922 = 0.14*922 = 129.08.
percentages
3,031
algebra
medium
Solve for x: x^2 - 5x + 6 = 0
x = 2, 3
Factor: (x - 2)(x - 3) = x^2 -(5)x + 6 = 0. So x = 2 or 3. Check sum = 5, product = 6.
quadratic
3,032
arithmetic
easy
What is 64 + 627 * 33? Remember order of operations.
20755
Order of operations (PEMDAS): first 627*33=20691, then 64+20691=20755.
basic_operations
3,033
arithmetic
easy
What is 81 * 4?
324
Multiply: 81 * 4 = 324.
basic_operations
3,034
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
3,035
word_problems
easy
If you have 53 pencils and you buy 9 more pencils, how many pencils do you have in total?
62
Add initial 53 plus bought 9: 53+9=62.
addition_word
3,036
fractions
medium
What is 7/10 * 16/16? Give as simplified fraction.
7/10
Multiply numerators: 7*16=112. Denominators: 10*16=160. Simplify by gcd 16 to get 7/10.
fraction_operations
3,037
exponents
easy
What is 5^3?
125
5^3 means multiply 5 by itself 3 times: 5*5*5 = 125.
exponents
3,038
algebra
medium
Solve for x: x^2 - 9x + 18 = 0
x = 3, 6
Factor: (x - 3)(x - 6) = x^2 -(9)x + 18 = 0. So x = 3 or 6. Check sum = 9, product = 18.
quadratic
3,039
fractions
medium
What is 3/20 + 1/5? Give as simplified fraction.
7/20
Common denominator 20*5=100. 3/20=15/100, 1/5=20/100. Sum = 35/100 = 7/20 simplified.
fraction_operations
3,040
arithmetic
easy
What is 830 - 144?
686
Subtract: 830 - 144 = 686.
basic_operations
3,041
arithmetic
easy
What is 94 * 83?
7802
Multiply: 94 * 83 = 7802.
basic_operations
3,042
fractions
medium
What is 7/20 - 16/18? Give as simplified fraction.
-97/180
Common denominator 360. Numerator 126-320=-194. So -194/360 simplifies to -97/180.
fraction_operations
3,043
number_theory
medium
What is the GCD (greatest common divisor) of 80 and 72?
8
Find greatest number dividing both 80 and 72. Divisors common, greatest is 8.
gcd
3,044
arithmetic
easy
What is 450 - 438?
12
Subtract: 450 - 438 = 12.
basic_operations
3,045
arithmetic
easy
What is 802 + 131 * 67? Remember order of operations.
9579
Order of operations (PEMDAS): first 131*67=8777, then 802+8777=9579.
basic_operations
3,046
statistics
easy
What is the mean (average) of 7, 77, 70?
51.33
Mean = sum/count. Sum = 7+77+70=154. Count=3. Mean=154/3=51.33.
mean
3,047
roots
easy
What is the square root of 4?
2
Find number that when squared gives 4. 2*2=4, so sqrt(4)=2.
square_roots
3,048
percentages
easy
What is 38% of 945?
359.1
Calculate 38/100 * 945 = 0.38*945 = 359.1.
percentages
3,049
geometry
easy
Find the circumference of a circle with radius 46. Use pi=3.14159, round to 2 decimals.
289.03
Circumference = 2*pi*r = 2*3.14159*46 = 289.03.
circle_circum
3,050
number_theory
medium
What is the LCM (least common multiple) of 9 and 21?
63
LCM = |9*21| / GCD(9,21). GCD=3, so LCM=189/3=63.
lcm
3,051
arithmetic
easy
What is 79 * 65?
5135
Multiply: 79 * 65 = 5135.
basic_operations
3,052
arithmetic
easy
What is 61 * 34?
2074
Multiply: 61 * 34 = 2074.
basic_operations
3,053
arithmetic
easy
What is 347 + 432?
779
Add the two numbers: 347 + 432 = 779.
basic_operations
3,054
arithmetic
easy
What is 43 * 97?
4171
Multiply: 43 * 97 = 4171.
basic_operations
3,055
arithmetic
easy
What is 79 * 90?
7110
Multiply: 79 * 90 = 7110.
basic_operations
3,056
arithmetic
easy
What is 95 * 79?
7505
Multiply: 95 * 79 = 7505.
basic_operations
3,057
statistics
easy
What is the mean (average) of 35, 93, 6?
44.67
Mean = sum/count. Sum = 35+93+6=134. Count=3. Mean=134/3=44.67.
mean
3,058
arithmetic
easy
What is 1530 / 6?
255
Divide: 1530 ÷ 6 = 255 because 6*255=1530.
division
3,059
number_theory
medium
What is the LCM (least common multiple) of 56 and 62?
1736
LCM = |56*62| / GCD(56,62). GCD=2, so LCM=3472/2=1736.
lcm
3,060
percentages
easy
What is 3% of 954?
28.62
Calculate 3/100 * 954 = 0.03*954 = 28.62.
percentages
3,061
arithmetic
easy
What is 78 * 49?
3822
Multiply: 78 * 49 = 3822.
basic_operations
3,062
arithmetic
easy
What is 566 - 494?
72
Subtract: 566 - 494 = 72.
basic_operations
3,063
algebra
easy
Solve for x: 14x + 39 = 137
7
Subtract 39 from both sides: 14x = 137-39=98. Then divide by 14: x = 98/14 = 7.
linear_equation
3,064
algebra
easy
Solve for x: 4x + 6 = -46
-13
Subtract 6 from both sides: 4x = -46-6=-52. Then divide by 4: x = -52/4 = -13.
linear_equation
3,065
number_theory
medium
What is the LCM (least common multiple) of 46 and 25?
1150
LCM = |46*25| / GCD(46,25). GCD=1, so LCM=1150/1=1150.
lcm
3,066
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
3,067
percentages
easy
What is 30% of 95?
28.5
Calculate 30/100 * 95 = 0.3*95 = 28.5.
percentages
3,068
arithmetic
easy
What is 73 * 6?
438
Multiply: 73 * 6 = 438.
basic_operations
3,069
arithmetic
easy
What is 895 + 738 * 32? Remember order of operations.
24511
Order of operations (PEMDAS): first 738*32=23616, then 895+23616=24511.
basic_operations
3,070
algebra
easy
Solve for x: 15x - 27 = -57
-2
Add 27 to both sides: 15x = -57+27=-30. Then x = -30/15 = -2.
linear_equation
3,071
arithmetic
easy
What is 32 + 38 * 78? Remember order of operations.
2996
Order of operations (PEMDAS): first 38*78=2964, then 32+2964=2996.
basic_operations
3,072
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
3,073
arithmetic
easy
What is 79 + 257?
336
Add the two numbers: 79 + 257 = 336.
basic_operations
3,074
number_theory
medium
What is the LCM (least common multiple) of 29 and 57?
1653
LCM = |29*57| / GCD(29,57). GCD=1, so LCM=1653/1=1653.
lcm
3,075
number_theory
medium
What is the LCM (least common multiple) of 100 and 71?
7100
LCM = |100*71| / GCD(100,71). GCD=1, so LCM=7100/1=7100.
lcm
3,076
percentages
easy
What is 68% of 915?
622.2
Calculate 68/100 * 915 = 0.68*915 = 622.2.
percentages
3,077
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
3,078
arithmetic
easy
What is 1428 divided by 8? Give answer to 2 decimal places.
178.5
Calculate 1428/ 8 = 178.5000, rounded to 2 decimals is 178.5.
division
3,079
geometry
easy
Find the area of a rectangle with length 27 and width 18.
486
Area = length * width = 27*18 = 486.
rectangle_area
3,080
percentages
easy
What is 40% of 760?
304
Calculate 40/100 * 760 = 0.4*760 = 304.
percentages
3,081
fractions
medium
What is 4/13 + 5/3? Give as simplified fraction.
77/39
Common denominator 13*3=39. 4/13=12/39, 5/3=65/39. Sum = 77/39 = 77/39 simplified.
fraction_operations
3,082
word_problems
easy
If you have 88 candies and you buy 49 more candies, how many candies do you have in total?
137
Add initial 88 plus bought 49: 88+49=137.
addition_word
3,083
arithmetic
easy
What is 1024 / 4?
256
Divide: 1024 ÷ 4 = 256 because 4*256=1024.
division
3,084
geometry
easy
Find the area of a triangle with base 50 and height 39.
975
Area = 0.5*base*height = 0.5*50*39 = 975.
triangle_area
3,085
arithmetic
easy
What is 286 - 62?
224
Subtract: 286 - 62 = 224.
basic_operations
3,086
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
3,087
arithmetic
easy
What is 230 + 211?
441
Add the two numbers: 230 + 211 = 441.
basic_operations
3,088
arithmetic
easy
What is 98 * 45?
4410
Multiply: 98 * 45 = 4410.
basic_operations
3,089
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
3,090
fractions
medium
What is 1/12 - 20/15? Give as simplified fraction.
-5/4
Common denominator 180. Numerator 15-240=-225. So -225/180 simplifies to -5/4.
fraction_operations
3,091
arithmetic
easy
What is 827 - 112?
715
Subtract: 827 - 112 = 715.
basic_operations
3,092
exponents
easy
What is 10^5?
100000
10^5 means multiply 10 by itself 5 times: 10*10*10*10*10 = 100000.
exponents
3,093
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
3,094
geometry
easy
Find the perimeter of a rectangle with length 49 and width 60.
218
Perimeter = 2*(length+width) = 2*(49+60) = 2*109 = 218.
rectangle_perim
3,095
percentages
easy
What is 17% of 930?
158.1
Calculate 17/100 * 930 = 0.17*930 = 158.1.
percentages
3,096
arithmetic
easy
What is 819 + 288 * 88? Remember order of operations.
26163
Order of operations (PEMDAS): first 288*88=25344, then 819+25344=26163.
basic_operations
3,097
percentages
easy
What is 99% of 556?
550.44
Calculate 99/100 * 556 = 0.99*556 = 550.44.
percentages
3,098
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
3,099
arithmetic
easy
What is 631 - 281?
350
Subtract: 631 - 281 = 350.
basic_operations
3,100
arithmetic
easy
What is 42 * 34?
1428
Multiply: 42 * 34 = 1428.
basic_operations