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
732,001
percentages
easy
What is 57% of 140?
79.8
Calculate 57/100 * 140 = 0.57*140 = 79.8.
percentages
732,002
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
732,003
percentages
easy
What is 3% of 669?
20.07
Calculate 3/100 * 669 = 0.03*669 = 20.07.
percentages
732,004
arithmetic
easy
What is 982 + 370 * 30? Remember order of operations.
12082
Order of operations (PEMDAS): first 370*30=11100, then 982+11100=12082.
basic_operations
732,005
arithmetic
easy
What is 10545 / 57?
185
Divide: 10545 ÷ 57 = 185 because 57*185=10545.
division
732,006
calculus
medium
What is the derivative of 2x^7 with respect to x?
14x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^7] = 2*7*x^6 = 14x^6.
derivative
732,007
algebra
easy
Solve for x: 14x + 34 = -134
-12
Subtract 34 from both sides: 14x = -134-34=-168. Then divide by 14: x = -168/14 = -12.
linear_equation
732,008
percentages
easy
What is 48% of 989?
474.72
Calculate 48/100 * 989 = 0.48*989 = 474.72.
percentages
732,009
percentages
easy
What is 18% of 554?
99.72
Calculate 18/100 * 554 = 0.18*554 = 99.72.
percentages
732,010
statistics
easy
What is the mean (average) of 7, 20, 54?
27
Mean = sum/count. Sum = 7+20+54=81. Count=3. Mean=81/3=27.0.
mean
732,011
number_theory
medium
What is the LCM (least common multiple) of 91 and 92?
8372
LCM = |91*92| / GCD(91,92). GCD=1, so LCM=8372/1=8372.
lcm
732,012
arithmetic
easy
What is 969 - 215?
754
Subtract: 969 - 215 = 754.
basic_operations
732,013
algebra
easy
Solve for x: 2x + 25 = -3
-14
Subtract 25 from both sides: 2x = -3-25=-28. Then divide by 2: x = -28/2 = -14.
linear_equation
732,014
arithmetic
easy
What is 921 + 584 * 11? Remember order of operations.
7345
Order of operations (PEMDAS): first 584*11=6424, then 921+6424=7345.
basic_operations
732,015
algebra
medium
Solve for x: x^2 + 9x = 0
x = 0, -9
Factor: (x - 0)(x - -9) = x^2 -(-9)x + 0 = 0. So x = 0 or -9. Check sum = -9, product = 0.
quadratic
732,016
arithmetic
easy
What is 617 + 157 * 84? Remember order of operations.
13805
Order of operations (PEMDAS): first 157*84=13188, then 617+13188=13805.
basic_operations
732,017
algebra
medium
Solve for x: x^2 - 5x - 14 = 0
x = -2, 7
Factor: (x - -2)(x - 7) = x^2 -(5)x + -14 = 0. So x = -2 or 7. Check sum = 5, product = -14.
quadratic
732,018
fractions
medium
What is 3/10 + 15/3? Give as simplified fraction.
53/10
Common denominator 10*3=30. 3/10=9/30, 15/3=150/30. Sum = 159/30 = 53/10 simplified.
fraction_operations
732,019
algebra
medium
Solve for x: x^2 + 13x + 40 = 0
x = -8, -5
Factor: (x - -8)(x - -5) = x^2 -(-13)x + 40 = 0. So x = -8 or -5. Check sum = -13, product = 40.
quadratic
732,020
arithmetic
easy
What is 95 * 69?
6555
Multiply: 95 * 69 = 6555.
basic_operations
732,021
algebra
easy
Solve for x: 8x + 8 = 104
12
Subtract 8 from both sides: 8x = 104-8=96. Then divide by 8: x = 96/8 = 12.
linear_equation
732,022
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
732,023
exponents
easy
What is 6^3?
216
6^3 means multiply 6 by itself 3 times: 6*6*6 = 216.
exponents
732,024
statistics
easy
What is the mean (average) of 64, 85, 56?
68.33
Mean = sum/count. Sum = 64+85+56=205. Count=3. Mean=205/3=68.33.
mean
732,025
algebra
easy
Solve for x: 1x + 47 = 28
-19
Subtract 47 from both sides: 1x = 28-47=-19. Then divide by 1: x = -19/1 = -19.
linear_equation
732,026
arithmetic
easy
What is 17160 / 60?
286
Divide: 17160 ÷ 60 = 286 because 60*286=17160.
division
732,027
arithmetic
easy
What is 16000 / 100?
160
Divide: 16000 ÷ 100 = 160 because 100*160=16000.
division
732,028
arithmetic
easy
What is 2462 divided by 64? Give answer to 2 decimal places.
38.47
Calculate 2462/ 64 = 38.4688, rounded to 2 decimals is 38.47.
division
732,029
algebra
easy
Solve for x: 5x - 19 = -79
-12
Add 19 to both sides: 5x = -79+19=-60. Then x = -60/5 = -12.
linear_equation
732,030
word_problems
easy
If you have 29 dollars and you buy 44 more dollars, how many dollars do you have in total?
73
Add initial 29 plus bought 44: 29+44=73.
addition_word
732,031
arithmetic
easy
What is 24024 / 52?
462
Divide: 24024 ÷ 52 = 462 because 52*462=24024.
division
732,032
roots
easy
What is the square root of 64?
8
Find number that when squared gives 64. 8*8=64, so sqrt(64)=8.
square_roots
732,033
arithmetic
easy
What is 48 + 5 * 98? Remember order of operations.
538
Order of operations (PEMDAS): first 5*98=490, then 48+490=538.
basic_operations
732,034
arithmetic
easy
What is 470 + 166?
636
Add the two numbers: 470 + 166 = 636.
basic_operations
732,035
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
732,036
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
732,037
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
732,038
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
732,039
calculus
medium
What is the derivative of 10x^7 with respect to x?
70x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^7] = 10*7*x^6 = 70x^6.
derivative
732,040
fractions
medium
What is 15/12 * 5/20? Give as simplified fraction.
5/16
Multiply numerators: 15*5=75. Denominators: 12*20=240. Simplify by gcd 15 to get 5/16.
fraction_operations
732,041
percentages
easy
What is 85% of 705?
599.25
Calculate 85/100 * 705 = 0.85*705 = 599.25.
percentages
732,042
number_theory
medium
What is the LCM (least common multiple) of 82 and 76?
3116
LCM = |82*76| / GCD(82,76). GCD=2, so LCM=6232/2=3116.
lcm
732,043
algebra
medium
Solve for x: x^2 + 2x = 0
x = -2, 0
Factor: (x - -2)(x - 0) = x^2 -(-2)x + 0 = 0. So x = -2 or 0. Check sum = -2, product = 0.
quadratic
732,044
number_theory
medium
What is the LCM (least common multiple) of 9 and 51?
153
LCM = |9*51| / GCD(9,51). GCD=3, so LCM=459/3=153.
lcm
732,045
geometry
easy
Find the area of a circle with radius 30. Use pi=3.14159, round to 2 decimals.
2827.43
Area = pi*r^2 = 3.14159*30^2 = 3.14159*900 = 2827.43.
circle_area
732,046
arithmetic
easy
What is 786 - 414?
372
Subtract: 786 - 414 = 372.
basic_operations
732,047
arithmetic
easy
What is 91 * 4?
364
Multiply: 91 * 4 = 364.
basic_operations
732,048
arithmetic
easy
What is 658 + 942?
1600
Add the two numbers: 658 + 942 = 1600.
basic_operations
732,049
fractions
medium
What is 18/18 + 4/10? Give as simplified fraction.
7/5
Common denominator 18*10=180. 18/18=180/180, 4/10=72/180. Sum = 252/180 = 7/5 simplified.
fraction_operations
732,050
arithmetic
easy
What is 37 + 23 * 57? Remember order of operations.
1348
Order of operations (PEMDAS): first 23*57=1311, then 37+1311=1348.
basic_operations
732,051
statistics
easy
What is the mean (average) of 28, 10, 6, 69?
28.25
Mean = sum/count. Sum = 28+10+6+69=113. Count=4. Mean=113/4=28.25.
mean
732,052
roots
easy
What is the square root of 144?
12
Find number that when squared gives 144. 12*12=144, so sqrt(144)=12.
square_roots
732,053
arithmetic
easy
What is 46 * 12?
552
Multiply: 46 * 12 = 552.
basic_operations
732,054
number_theory
medium
What is the LCM (least common multiple) of 58 and 78?
2262
LCM = |58*78| / GCD(58,78). GCD=2, so LCM=4524/2=2262.
lcm
732,055
number_theory
medium
What is the GCD (greatest common divisor) of 94 and 75?
1
Find greatest number dividing both 94 and 75. Divisors common, greatest is 1.
gcd
732,056
calculus
medium
What is the derivative of 9x^7 with respect to x?
63x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^7] = 9*7*x^6 = 63x^6.
derivative
732,057
fractions
medium
What is 14/10 + 11/18? Give as simplified fraction.
181/90
Common denominator 10*18=180. 14/10=252/180, 11/18=110/180. Sum = 362/180 = 181/90 simplified.
fraction_operations
732,058
arithmetic
easy
What is 25 + 67 * 40? Remember order of operations.
2705
Order of operations (PEMDAS): first 67*40=2680, then 25+2680=2705.
basic_operations
732,059
algebra
medium
Solve for x: x^2 + 16x + 64 = 0
x = -8
Factor as (x - -8)^2 = 0, so root is -8 (double root). Sum of roots = -16, product = 64.
quadratic
732,060
geometry
easy
Find the area of a triangle with base 71 and height 96.
3408
Area = 0.5*base*height = 0.5*71*96 = 3408.
triangle_area
732,061
algebra
medium
Solve for x: x^2 - 14x + 40 = 0
x = 4, 10
Factor: (x - 4)(x - 10) = x^2 -(14)x + 40 = 0. So x = 4 or 10. Check sum = 14, product = 40.
quadratic
732,062
number_theory
medium
What is the LCM (least common multiple) of 11 and 10?
110
LCM = |11*10| / GCD(11,10). GCD=1, so LCM=110/1=110.
lcm
732,063
exponents
easy
What is 5^2?
25
5^2 means multiply 5 by itself 2 times: 5*5 = 25.
exponents
732,064
geometry
easy
Find the perimeter of a rectangle with length 26 and width 30.
112
Perimeter = 2*(length+width) = 2*(26+30) = 2*56 = 112.
rectangle_perim
732,065
exponents
easy
What is 7^2?
49
7^2 means multiply 7 by itself 2 times: 7*7 = 49.
exponents
732,066
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
732,067
calculus
medium
What is the derivative of 7x^2 with respect to x?
14x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^2] = 7*2*x^1 = 14x.
derivative
732,068
geometry
easy
Find the area of a triangle with base 23 and height 65.
747.5
Area = 0.5*base*height = 0.5*23*65 = 747.5.
triangle_area
732,069
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
732,070
arithmetic
easy
What is 655 - 80?
575
Subtract: 655 - 80 = 575.
basic_operations
732,071
algebra
medium
Solve for x: x^2 + 5x + 4 = 0
x = -4, -1
Factor: (x - -4)(x - -1) = x^2 -(-5)x + 4 = 0. So x = -4 or -1. Check sum = -5, product = 4.
quadratic
732,072
percentages
easy
What is 40% of 175?
70
Calculate 40/100 * 175 = 0.4*175 = 70.
percentages
732,073
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
732,074
word_problems
easy
If you have 18 dollars and you buy 6 more dollars, how many dollars do you have in total?
24
Add initial 18 plus bought 6: 18+6=24.
addition_word
732,075
arithmetic
easy
What is 43992 / 94?
468
Divide: 43992 ÷ 94 = 468 because 94*468=43992.
division
732,076
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
732,077
algebra
medium
Solve for x: x^2 - 11x + 10 = 0
x = 1, 10
Factor: (x - 1)(x - 10) = x^2 -(11)x + 10 = 0. So x = 1 or 10. Check sum = 11, product = 10.
quadratic
732,078
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
732,079
exponents
easy
What is 12^3?
1728
12^3 means multiply 12 by itself 3 times: 12*12*12 = 1728.
exponents
732,080
algebra
medium
Solve for x: x^2 + 2x - 35 = 0
x = 5, -7
Factor: (x - 5)(x - -7) = x^2 -(-2)x + -35 = 0. So x = 5 or -7. Check sum = -2, product = -35.
quadratic
732,081
arithmetic
easy
What is 874 + 270 * 93? Remember order of operations.
25984
Order of operations (PEMDAS): first 270*93=25110, then 874+25110=25984.
basic_operations
732,082
arithmetic
easy
What is 15885 / 45?
353
Divide: 15885 ÷ 45 = 353 because 45*353=15885.
division
732,083
exponents
easy
What is 5^2?
25
5^2 means multiply 5 by itself 2 times: 5*5 = 25.
exponents
732,084
number_theory
medium
What is the GCD (greatest common divisor) of 25 and 49?
1
Find greatest number dividing both 25 and 49. Divisors common, greatest is 1.
gcd
732,085
arithmetic
easy
What is 9 + 69 * 48? Remember order of operations.
3321
Order of operations (PEMDAS): first 69*48=3312, then 9+3312=3321.
basic_operations
732,086
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
732,087
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
732,088
geometry
easy
Find the area of a triangle with base 33 and height 47.
775.5
Area = 0.5*base*height = 0.5*33*47 = 775.5.
triangle_area
732,089
number_theory
medium
What is the LCM (least common multiple) of 51 and 16?
816
LCM = |51*16| / GCD(51,16). GCD=1, so LCM=816/1=816.
lcm
732,090
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
732,091
statistics
easy
What is the mean (average) of 7, 95, 7?
36.33
Mean = sum/count. Sum = 7+95+7=109. Count=3. Mean=109/3=36.33.
mean
732,092
arithmetic
easy
What is 17501 / 37?
473
Divide: 17501 ÷ 37 = 473 because 37*473=17501.
division
732,093
number_theory
medium
What is the LCM (least common multiple) of 23 and 36?
828
LCM = |23*36| / GCD(23,36). GCD=1, so LCM=828/1=828.
lcm
732,094
algebra
easy
Solve for x: 18x - 2 = -272
-15
Add 2 to both sides: 18x = -272+2=-270. Then x = -270/18 = -15.
linear_equation
732,095
word_problems
easy
If you have 25 books and you buy 12 more books, how many books do you have in total?
37
Add initial 25 plus bought 12: 25+12=37.
addition_word
732,096
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
732,097
arithmetic
easy
What is 32 * 12?
384
Multiply: 32 * 12 = 384.
basic_operations
732,098
percentages
easy
What is 9% of 411?
36.99
Calculate 9/100 * 411 = 0.09*411 = 36.99.
percentages
732,099
percentages
easy
What is 42% of 9?
3.78
Calculate 42/100 * 9 = 0.42*9 = 3.78.
percentages
732,100
fractions
medium
What is 14/9 + 11/4? Give as simplified fraction.
155/36
Common denominator 9*4=36. 14/9=56/36, 11/4=99/36. Sum = 155/36 = 155/36 simplified.
fraction_operations