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
5,001
arithmetic
easy
What is 151 + 748 * 15? Remember order of operations.
11371
Order of operations (PEMDAS): first 748*15=11220, then 151+11220=11371.
basic_operations
5,002
geometry
easy
Find the perimeter of a rectangle with length 95 and width 98.
386
Perimeter = 2*(length+width) = 2*(95+98) = 2*193 = 386.
rectangle_perim
5,003
statistics
easy
What is the mean (average) of 30, 56, 45, 90?
55.25
Mean = sum/count. Sum = 30+56+45+90=221. Count=4. Mean=221/4=55.25.
mean
5,004
calculus
medium
What is the derivative of 9x^8 with respect to x?
72x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^8] = 9*8*x^7 = 72x^7.
derivative
5,005
arithmetic
easy
What is 22 * 48?
1056
Multiply: 22 * 48 = 1056.
basic_operations
5,006
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
5,007
arithmetic
easy
What is 24882 / 87?
286
Divide: 24882 ÷ 87 = 286 because 87*286=24882.
division
5,008
geometry
easy
Find the area of a circle with radius 49. Use pi=3.14159, round to 2 decimals.
7542.96
Area = pi*r^2 = 3.14159*49^2 = 3.14159*2401 = 7542.96.
circle_area
5,009
geometry
easy
Find the area of a rectangle with length 5 and width 87.
435
Area = length * width = 5*87 = 435.
rectangle_area
5,010
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
5,011
exponents
easy
What is 12^4?
20736
12^4 means multiply 12 by itself 4 times: 12*12*12*12 = 20736.
exponents
5,012
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
5,013
roots
easy
What is the square root of 2304?
48
Find number that when squared gives 2304. 48*48=2304, so sqrt(2304)=48.
square_roots
5,014
algebra
easy
Solve for x: 7x - 41 = -132
-13
Add 41 to both sides: 7x = -132+41=-91. Then x = -91/7 = -13.
linear_equation
5,015
algebra
easy
Solve for x: 7x - 31 = 25
8
Add 31 to both sides: 7x = 25+31=56. Then x = 56/7 = 8.
linear_equation
5,016
exponents
easy
What is 10^5?
100000
10^5 means multiply 10 by itself 5 times: 10*10*10*10*10 = 100000.
exponents
5,017
arithmetic
easy
What is 462 - 449?
13
Subtract: 462 - 449 = 13.
basic_operations
5,018
percentages
easy
What is 86% of 301?
258.86
Calculate 86/100 * 301 = 0.86*301 = 258.86.
percentages
5,019
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
5,020
arithmetic
easy
What is 49 + 88 * 72? Remember order of operations.
6385
Order of operations (PEMDAS): first 88*72=6336, then 49+6336=6385.
basic_operations
5,021
arithmetic
easy
What is 2 * 84?
168
Multiply: 2 * 84 = 168.
basic_operations
5,022
arithmetic
easy
What is 622 + 803?
1425
Add the two numbers: 622 + 803 = 1425.
basic_operations
5,023
geometry
easy
Find the area of a circle with radius 46. Use pi=3.14159, round to 2 decimals.
6647.61
Area = pi*r^2 = 3.14159*46^2 = 3.14159*2116 = 6647.61.
circle_area
5,024
fractions
medium
What is 2/14 - 20/9? Give as simplified fraction.
-131/63
Common denominator 126. Numerator 18-280=-262. So -262/126 simplifies to -131/63.
fraction_operations
5,025
algebra
easy
Solve for x: 9x + 29 = -25
-6
Subtract 29 from both sides: 9x = -25-29=-54. Then divide by 9: x = -54/9 = -6.
linear_equation
5,026
roots
easy
What is the square root of 225?
15
Find number that when squared gives 225. 15*15=225, so sqrt(225)=15.
square_roots
5,027
exponents
easy
What is 2^2?
4
2^2 means multiply 2 by itself 2 times: 2*2 = 4.
exponents
5,028
arithmetic
easy
What is 2463 divided by 67? Give answer to 2 decimal places.
36.76
Calculate 2463/ 67 = 36.7612, rounded to 2 decimals is 36.76.
division
5,029
statistics
easy
What is the mean (average) of 37, 66, 9, 55, 45?
42.4
Mean = sum/count. Sum = 37+66+9+55+45=212. Count=5. Mean=212/5=42.4.
mean
5,030
algebra
medium
Solve for x: x^2 + 4x + 4 = 0
x = -2
Factor as (x - -2)^2 = 0, so root is -2 (double root). Sum of roots = -4, product = 4.
quadratic
5,031
geometry
easy
Find the area of a circle with radius 17. Use pi=3.14159, round to 2 decimals.
907.92
Area = pi*r^2 = 3.14159*17^2 = 3.14159*289 = 907.92.
circle_area
5,032
geometry
easy
Find the circumference of a circle with radius 4. Use pi=3.14159, round to 2 decimals.
25.13
Circumference = 2*pi*r = 2*3.14159*4 = 25.13.
circle_circum
5,033
fractions
medium
What is 18/13 * 3/17? Give as simplified fraction.
54/221
Multiply numerators: 18*3=54. Denominators: 13*17=221. Simplify by gcd 1 to get 54/221.
fraction_operations
5,034
fractions
medium
What is 15/19 * 4/2? Give as simplified fraction.
30/19
Multiply numerators: 15*4=60. Denominators: 19*2=38. Simplify by gcd 2 to get 30/19.
fraction_operations
5,035
roots
easy
What is the square root of 256?
16
Find number that when squared gives 256. 16*16=256, so sqrt(256)=16.
square_roots
5,036
arithmetic
easy
What is 5500 / 20?
275
Divide: 5500 ÷ 20 = 275 because 20*275=5500.
division
5,037
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
5,038
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
5,039
algebra
easy
Solve for x: 20x - 43 = -63
-1
Add 43 to both sides: 20x = -63+43=-20. Then x = -20/20 = -1.
linear_equation
5,040
roots
easy
What is the square root of 961?
31
Find number that when squared gives 961. 31*31=961, so sqrt(961)=31.
square_roots
5,041
algebra
easy
Solve for x: 16x - 37 = -85
-3
Add 37 to both sides: 16x = -85+37=-48. Then x = -48/16 = -3.
linear_equation
5,042
word_problems
easy
If you have 92 dollars and you buy 9 more dollars, how many dollars do you have in total?
101
Add initial 92 plus bought 9: 92+9=101.
addition_word
5,043
calculus
medium
What is the derivative of 1x^3 with respect to x?
3x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^3] = 1*3*x^2 = 3x^2.
derivative
5,044
arithmetic
easy
What is 96 * 49?
4704
Multiply: 96 * 49 = 4704.
basic_operations
5,045
algebra
medium
Solve for x: x^2 + 8x + 12 = 0
x = -2, -6
Factor: (x - -2)(x - -6) = x^2 -(-8)x + 12 = 0. So x = -2 or -6. Check sum = -8, product = 12.
quadratic
5,046
fractions
medium
What is 18/9 + 19/16? Give as simplified fraction.
51/16
Common denominator 9*16=144. 18/9=288/144, 19/16=171/144. Sum = 459/144 = 51/16 simplified.
fraction_operations
5,047
percentages
easy
What is 31% of 582?
180.42
Calculate 31/100 * 582 = 0.31*582 = 180.42.
percentages
5,048
arithmetic
easy
What is 10504 divided by 21? Give answer to 2 decimal places.
500.19
Calculate 10504/ 21 = 500.1905, rounded to 2 decimals is 500.19.
division
5,049
arithmetic
easy
What is 27 * 23?
621
Multiply: 27 * 23 = 621.
basic_operations
5,050
arithmetic
easy
What is 729 + 592 * 72? Remember order of operations.
43353
Order of operations (PEMDAS): first 592*72=42624, then 729+42624=43353.
basic_operations
5,051
arithmetic
easy
What is 2926 / 7?
418
Divide: 2926 ÷ 7 = 418 because 7*418=2926.
division
5,052
algebra
medium
Solve for x: x^2 + 8x + 15 = 0
x = -3, -5
Factor: (x - -3)(x - -5) = x^2 -(-8)x + 15 = 0. So x = -3 or -5. Check sum = -8, product = 15.
quadratic
5,053
arithmetic
easy
What is 50 * 60?
3000
Multiply: 50 * 60 = 3000.
basic_operations
5,054
arithmetic
easy
What is 3263 divided by 7? Give answer to 2 decimal places.
466.14
Calculate 3263/ 7 = 466.1429, rounded to 2 decimals is 466.14.
division
5,055
calculus
medium
What is the derivative of 1x^2 with respect to x?
2x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^2] = 1*2*x^1 = 2x.
derivative
5,056
arithmetic
easy
What is 838 - 303?
535
Subtract: 838 - 303 = 535.
basic_operations
5,057
arithmetic
easy
What is 296 + 64?
360
Add the two numbers: 296 + 64 = 360.
basic_operations
5,058
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
5,059
arithmetic
easy
What is 604 + 523?
1127
Add the two numbers: 604 + 523 = 1127.
basic_operations
5,060
geometry
easy
Find the circumference of a circle with radius 49. Use pi=3.14159, round to 2 decimals.
307.88
Circumference = 2*pi*r = 2*3.14159*49 = 307.88.
circle_circum
5,061
algebra
easy
Solve for x: 7x - 10 = -17
-1
Add 10 to both sides: 7x = -17+10=-7. Then x = -7/7 = -1.
linear_equation
5,062
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
5,063
roots
easy
What is the square root of 1936?
44
Find number that when squared gives 1936. 44*44=1936, so sqrt(1936)=44.
square_roots
5,064
arithmetic
easy
What is 12 / 6?
2
Divide: 12 ÷ 6 = 2 because 6*2=12.
division
5,065
word_problems
easy
If you have 56 apples and you buy 12 more apples, how many apples do you have in total?
68
Add initial 56 plus bought 12: 56+12=68.
addition_word
5,066
number_theory
medium
What is the LCM (least common multiple) of 36 and 43?
1548
LCM = |36*43| / GCD(36,43). GCD=1, so LCM=1548/1=1548.
lcm
5,067
word_problems
easy
If you have 14 apples and you buy 22 more apples, how many apples do you have in total?
36
Add initial 14 plus bought 22: 14+22=36.
addition_word
5,068
arithmetic
easy
What is 447 - 444?
3
Subtract: 447 - 444 = 3.
basic_operations
5,069
arithmetic
easy
What is 76 - 14?
62
Subtract: 76 - 14 = 62.
basic_operations
5,070
exponents
easy
What is 3^2?
9
3^2 means multiply 3 by itself 2 times: 3*3 = 9.
exponents
5,071
percentages
easy
What is 37% of 2?
0.74
Calculate 37/100 * 2 = 0.37*2 = 0.74.
percentages
5,072
word_problems
easy
If you have 74 apples and you buy 21 more apples, how many apples do you have in total?
95
Add initial 74 plus bought 21: 74+21=95.
addition_word
5,073
calculus
medium
What is the derivative of 10x^6 with respect to x?
60x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^6] = 10*6*x^5 = 60x^5.
derivative
5,074
geometry
easy
Find the area of a triangle with base 61 and height 6.
183
Area = 0.5*base*height = 0.5*61*6 = 183.
triangle_area
5,075
arithmetic
easy
What is 377 + 792?
1169
Add the two numbers: 377 + 792 = 1169.
basic_operations
5,076
fractions
medium
What is 10/19 * 5/14? Give as simplified fraction.
25/133
Multiply numerators: 10*5=50. Denominators: 19*14=266. Simplify by gcd 2 to get 25/133.
fraction_operations
5,077
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
5,078
word_problems
easy
If you have 6 books and you buy 34 more books, how many books do you have in total?
40
Add initial 6 plus bought 34: 6+34=40.
addition_word
5,079
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
5,080
arithmetic
easy
What is 16846 divided by 62? Give answer to 2 decimal places.
271.71
Calculate 16846/ 62 = 271.7097, rounded to 2 decimals is 271.71.
division
5,081
arithmetic
easy
What is 55 * 24?
1320
Multiply: 55 * 24 = 1320.
basic_operations
5,082
arithmetic
easy
What is 584 + 466?
1050
Add the two numbers: 584 + 466 = 1050.
basic_operations
5,083
percentages
easy
What is 17% of 23?
3.91
Calculate 17/100 * 23 = 0.17*23 = 3.91.
percentages
5,084
arithmetic
easy
What is 442 - 136?
306
Subtract: 442 - 136 = 306.
basic_operations
5,085
algebra
medium
Solve for x: x^2 + 8x - 20 = 0
x = 2, -10
Factor: (x - 2)(x - -10) = x^2 -(-8)x + -20 = 0. So x = 2 or -10. Check sum = -8, product = -20.
quadratic
5,086
exponents
easy
What is 3^2?
9
3^2 means multiply 3 by itself 2 times: 3*3 = 9.
exponents
5,087
number_theory
medium
What is the LCM (least common multiple) of 18 and 10?
90
LCM = |18*10| / GCD(18,10). GCD=2, so LCM=180/2=90.
lcm
5,088
number_theory
medium
What is the LCM (least common multiple) of 43 and 66?
2838
LCM = |43*66| / GCD(43,66). GCD=1, so LCM=2838/1=2838.
lcm
5,089
arithmetic
easy
What is 15000 / 60?
250
Divide: 15000 ÷ 60 = 250 because 60*250=15000.
division
5,090
arithmetic
easy
What is 766 + 688 * 18? Remember order of operations.
13150
Order of operations (PEMDAS): first 688*18=12384, then 766+12384=13150.
basic_operations
5,091
algebra
medium
Solve for x: x^2 + 15x + 56 = 0
x = -8, -7
Factor: (x - -8)(x - -7) = x^2 -(-15)x + 56 = 0. So x = -8 or -7. Check sum = -15, product = 56.
quadratic
5,092
algebra
easy
Solve for x: 9x - 39 = 123
18
Add 39 to both sides: 9x = 123+39=162. Then x = 162/9 = 18.
linear_equation
5,093
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
5,094
geometry
easy
Find the perimeter of a rectangle with length 21 and width 19.
80
Perimeter = 2*(length+width) = 2*(21+19) = 2*40 = 80.
rectangle_perim
5,095
statistics
easy
What is the mean (average) of 66, 76, 10, 58?
52.5
Mean = sum/count. Sum = 66+76+10+58=210. Count=4. Mean=210/4=52.5.
mean
5,096
arithmetic
easy
What is 94 + 47 * 34? Remember order of operations.
1692
Order of operations (PEMDAS): first 47*34=1598, then 94+1598=1692.
basic_operations
5,097
algebra
easy
Solve for x: 4x + 20 = 28
2
Subtract 20 from both sides: 4x = 28-20=8. Then divide by 4: x = 8/4 = 2.
linear_equation
5,098
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
5,099
arithmetic
easy
What is 17 * 1?
17
Multiply: 17 * 1 = 17.
basic_operations
5,100
algebra
easy
Solve for x: 5x - 4 = 51
11
Add 4 to both sides: 5x = 51+4=55. Then x = 55/5 = 11.
linear_equation