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
4,601
geometry
easy
Find the area of a rectangle with length 64 and width 57.
3648
Area = length * width = 64*57 = 3648.
rectangle_area
4,602
word_problems
easy
If you have 81 candies and you buy 19 more candies, how many candies do you have in total?
100
Add initial 81 plus bought 19: 81+19=100.
addition_word
4,603
algebra
medium
Solve for x: x^2 + 5x - 36 = 0
x = -9, 4
Factor: (x - -9)(x - 4) = x^2 -(-5)x + -36 = 0. So x = -9 or 4. Check sum = -5, product = -36.
quadratic
4,604
algebra
easy
Solve for x: 13x + 47 = 125
6
Subtract 47 from both sides: 13x = 125-47=78. Then divide by 13: x = 78/13 = 6.
linear_equation
4,605
algebra
easy
Solve for x: 20x - 33 = 7
2
Add 33 to both sides: 20x = 7+33=40. Then x = 40/20 = 2.
linear_equation
4,606
arithmetic
easy
What is 63 * 93?
5859
Multiply: 63 * 93 = 5859.
basic_operations
4,607
statistics
easy
What is the mean (average) of 7, 21, 73, 90?
47.75
Mean = sum/count. Sum = 7+21+73+90=191. Count=4. Mean=191/4=47.75.
mean
4,608
arithmetic
easy
What is 788 + 797?
1585
Add the two numbers: 788 + 797 = 1585.
basic_operations
4,609
geometry
easy
Find the area of a rectangle with length 25 and width 26.
650
Area = length * width = 25*26 = 650.
rectangle_area
4,610
fractions
medium
What is 15/9 - 3/6? Give as simplified fraction.
7/6
Common denominator 54. Numerator 90-27=63. So 63/54 simplifies to 7/6.
fraction_operations
4,611
number_theory
medium
What is the GCD (greatest common divisor) of 92 and 22?
2
Find greatest number dividing both 92 and 22. Divisors common, greatest is 2.
gcd
4,612
number_theory
medium
What is the LCM (least common multiple) of 52 and 14?
364
LCM = |52*14| / GCD(52,14). GCD=2, so LCM=728/2=364.
lcm
4,613
arithmetic
easy
What is 476 + 11?
487
Add the two numbers: 476 + 11 = 487.
basic_operations
4,614
arithmetic
easy
What is 618 + 168 * 1? Remember order of operations.
786
Order of operations (PEMDAS): first 168*1=168, then 618+168=786.
basic_operations
4,615
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
4,616
roots
easy
What is the square root of 81?
9
Find number that when squared gives 81. 9*9=81, so sqrt(81)=9.
square_roots
4,617
word_problems
easy
If you have 68 pencils and you buy 35 more pencils, how many pencils do you have in total?
103
Add initial 68 plus bought 35: 68+35=103.
addition_word
4,618
number_theory
medium
What is the GCD (greatest common divisor) of 49 and 16?
1
Find greatest number dividing both 49 and 16. Divisors common, greatest is 1.
gcd
4,619
fractions
medium
What is 15/4 - 18/11? Give as simplified fraction.
93/44
Common denominator 44. Numerator 165-72=93. So 93/44 simplifies to 93/44.
fraction_operations
4,620
geometry
easy
Find the area of a triangle with base 7 and height 93.
325.5
Area = 0.5*base*height = 0.5*7*93 = 325.5.
triangle_area
4,621
algebra
medium
Solve for x: x^2 - 8x = 0
x = 8, 0
Factor: (x - 8)(x - 0) = x^2 -(8)x + 0 = 0. So x = 8 or 0. Check sum = 8, product = 0.
quadratic
4,622
arithmetic
easy
What is 885 - 145?
740
Subtract: 885 - 145 = 740.
basic_operations
4,623
arithmetic
easy
What is 8094 / 57?
142
Divide: 8094 ÷ 57 = 142 because 57*142=8094.
division
4,624
percentages
easy
What is 58% of 210?
121.8
Calculate 58/100 * 210 = 0.58*210 = 121.8.
percentages
4,625
geometry
easy
Find the area of a rectangle with length 51 and width 61.
3111
Area = length * width = 51*61 = 3111.
rectangle_area
4,626
arithmetic
easy
What is 9295 divided by 20? Give answer to 2 decimal places.
464.75
Calculate 9295/ 20 = 464.7500, rounded to 2 decimals is 464.75.
division
4,627
algebra
medium
Solve for x: x^2 + 13x + 40 = 0
x = -5, -8
Factor: (x - -5)(x - -8) = x^2 -(-13)x + 40 = 0. So x = -5 or -8. Check sum = -13, product = 40.
quadratic
4,628
arithmetic
easy
What is 854 + 166?
1020
Add the two numbers: 854 + 166 = 1020.
basic_operations
4,629
algebra
medium
Solve for x: x^2 - 3x - 70 = 0
x = -7, 10
Factor: (x - -7)(x - 10) = x^2 -(3)x + -70 = 0. So x = -7 or 10. Check sum = 3, product = -70.
quadratic
4,630
fractions
medium
What is 9/18 * 14/7? Give as simplified fraction.
1
Multiply numerators: 9*14=126. Denominators: 18*7=126. Simplify by gcd 126 to get 1.
fraction_operations
4,631
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
4,632
statistics
easy
What is the mean (average) of 88, 78, 57, 30, 98?
70.2
Mean = sum/count. Sum = 88+78+57+30+98=351. Count=5. Mean=351/5=70.2.
mean
4,633
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
4,634
percentages
easy
What is 70% of 249?
174.3
Calculate 70/100 * 249 = 0.7*249 = 174.3.
percentages
4,635
arithmetic
easy
What is 6138 divided by 67? Give answer to 2 decimal places.
91.61
Calculate 6138/ 67 = 91.6119, rounded to 2 decimals is 91.61.
division
4,636
arithmetic
easy
What is 347 - 235?
112
Subtract: 347 - 235 = 112.
basic_operations
4,637
arithmetic
easy
What is 70 * 93?
6510
Multiply: 70 * 93 = 6510.
basic_operations
4,638
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
4,639
word_problems
easy
If you have 66 apples and you buy 45 more apples, how many apples do you have in total?
111
Add initial 66 plus bought 45: 66+45=111.
addition_word
4,640
calculus
medium
What is the derivative of 8x^8 with respect to x?
64x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^8] = 8*8*x^7 = 64x^7.
derivative
4,641
percentages
easy
What is 52% of 531?
276.12
Calculate 52/100 * 531 = 0.52*531 = 276.12.
percentages
4,642
algebra
easy
Solve for x: 1x - 4 = -24
-20
Add 4 to both sides: 1x = -24+4=-20. Then x = -20/1 = -20.
linear_equation
4,643
calculus
medium
What is the derivative of 3x^6 with respect to x?
18x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^6] = 3*6*x^5 = 18x^5.
derivative
4,644
arithmetic
easy
What is 675 + 861 * 22? Remember order of operations.
19617
Order of operations (PEMDAS): first 861*22=18942, then 675+18942=19617.
basic_operations
4,645
number_theory
medium
What is the GCD (greatest common divisor) of 42 and 87?
3
Find greatest number dividing both 42 and 87. Divisors common, greatest is 3.
gcd
4,646
arithmetic
easy
What is 696 + 403 * 85? Remember order of operations.
34951
Order of operations (PEMDAS): first 403*85=34255, then 696+34255=34951.
basic_operations
4,647
roots
easy
What is the square root of 1225?
35
Find number that when squared gives 1225. 35*35=1225, so sqrt(1225)=35.
square_roots
4,648
word_problems
easy
If you have 18 dollars and you buy 44 more dollars, how many dollars do you have in total?
62
Add initial 18 plus bought 44: 18+44=62.
addition_word
4,649
calculus
medium
What is the derivative of 3x^6 with respect to x?
18x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^6] = 3*6*x^5 = 18x^5.
derivative
4,650
arithmetic
easy
What is 536 + 667 * 99? Remember order of operations.
66569
Order of operations (PEMDAS): first 667*99=66033, then 536+66033=66569.
basic_operations
4,651
algebra
easy
Solve for x: 11x + 22 = 77
5
Subtract 22 from both sides: 11x = 77-22=55. Then divide by 11: x = 55/11 = 5.
linear_equation
4,652
word_problems
easy
If you have 81 pencils and you buy 3 more pencils, how many pencils do you have in total?
84
Add initial 81 plus bought 3: 81+3=84.
addition_word
4,653
geometry
easy
Find the perimeter of a rectangle with length 56 and width 80.
272
Perimeter = 2*(length+width) = 2*(56+80) = 2*136 = 272.
rectangle_perim
4,654
exponents
easy
What is 10^2?
100
10^2 means multiply 10 by itself 2 times: 10*10 = 100.
exponents
4,655
algebra
medium
Solve for x: x^2 + 15x + 54 = 0
x = -6, -9
Factor: (x - -6)(x - -9) = x^2 -(-15)x + 54 = 0. So x = -6 or -9. Check sum = -15, product = 54.
quadratic
4,656
roots
easy
What is the square root of 9?
3
Find number that when squared gives 9. 3*3=9, so sqrt(9)=3.
square_roots
4,657
percentages
easy
What is 85% of 862?
732.7
Calculate 85/100 * 862 = 0.85*862 = 732.7.
percentages
4,658
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
4,659
geometry
easy
Find the area of a triangle with base 38 and height 83.
1577
Area = 0.5*base*height = 0.5*38*83 = 1577.
triangle_area
4,660
algebra
easy
Solve for x: 10x + 27 = 37
1
Subtract 27 from both sides: 10x = 37-27=10. Then divide by 10: x = 10/10 = 1.
linear_equation
4,661
arithmetic
easy
What is 663 - 87?
576
Subtract: 663 - 87 = 576.
basic_operations
4,662
word_problems
easy
If you have 9 candies and you buy 45 more candies, how many candies do you have in total?
54
Add initial 9 plus bought 45: 9+45=54.
addition_word
4,663
arithmetic
easy
What is 366 + 946?
1312
Add the two numbers: 366 + 946 = 1312.
basic_operations
4,664
calculus
medium
What is the derivative of 7x^5 with respect to x?
35x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^5] = 7*5*x^4 = 35x^4.
derivative
4,665
statistics
easy
What is the mean (average) of 70, 99, 85?
84.67
Mean = sum/count. Sum = 70+99+85=254. Count=3. Mean=254/3=84.67.
mean
4,666
algebra
medium
Solve for x: x^2 + 1x - 90 = 0
x = -10, 9
Factor: (x - -10)(x - 9) = x^2 -(-1)x + -90 = 0. So x = -10 or 9. Check sum = -1, product = -90.
quadratic
4,667
word_problems
easy
If you have 40 apples and you buy 25 more apples, how many apples do you have in total?
65
Add initial 40 plus bought 25: 40+25=65.
addition_word
4,668
arithmetic
easy
What is 737 - 643?
94
Subtract: 737 - 643 = 94.
basic_operations
4,669
statistics
easy
What is the mean (average) of 70, 20, 80, 74?
61
Mean = sum/count. Sum = 70+20+80+74=244. Count=4. Mean=244/4=61.0.
mean
4,670
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
4,671
statistics
easy
What is the mean (average) of 20, 17, 41, 67, 74?
43.8
Mean = sum/count. Sum = 20+17+41+67+74=219. Count=5. Mean=219/5=43.8.
mean
4,672
fractions
medium
What is 16/3 * 18/12? Give as simplified fraction.
8
Multiply numerators: 16*18=288. Denominators: 3*12=36. Simplify by gcd 36 to get 8.
fraction_operations
4,673
arithmetic
easy
What is 81 * 31?
2511
Multiply: 81 * 31 = 2511.
basic_operations
4,674
geometry
easy
Find the area of a rectangle with length 85 and width 47.
3995
Area = length * width = 85*47 = 3995.
rectangle_area
4,675
calculus
medium
What is the derivative of 10x^5 with respect to x?
50x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^5] = 10*5*x^4 = 50x^4.
derivative
4,676
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
4,677
word_problems
easy
If you have 77 apples and you buy 3 more apples, how many apples do you have in total?
80
Add initial 77 plus bought 3: 77+3=80.
addition_word
4,678
arithmetic
easy
What is 3312 / 23?
144
Divide: 3312 ÷ 23 = 144 because 23*144=3312.
division
4,679
roots
easy
What is the square root of 576?
24
Find number that when squared gives 576. 24*24=576, so sqrt(576)=24.
square_roots
4,680
geometry
easy
Find the area of a circle with radius 12. Use pi=3.14159, round to 2 decimals.
452.39
Area = pi*r^2 = 3.14159*12^2 = 3.14159*144 = 452.39.
circle_area
4,681
calculus
medium
What is the derivative of 10x^5 with respect to x?
50x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^5] = 10*5*x^4 = 50x^4.
derivative
4,682
calculus
medium
What is the derivative of 3x^3 with respect to x?
9x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^3] = 3*3*x^2 = 9x^2.
derivative
4,683
number_theory
medium
What is the GCD (greatest common divisor) of 79 and 38?
1
Find greatest number dividing both 79 and 38. Divisors common, greatest is 1.
gcd
4,684
percentages
easy
What is 82% of 975?
799.5
Calculate 82/100 * 975 = 0.82*975 = 799.5.
percentages
4,685
algebra
easy
Solve for x: 18x + 44 = 332
16
Subtract 44 from both sides: 18x = 332-44=288. Then divide by 18: x = 288/18 = 16.
linear_equation
4,686
geometry
easy
Find the circumference of a circle with radius 15. Use pi=3.14159, round to 2 decimals.
94.25
Circumference = 2*pi*r = 2*3.14159*15 = 94.25.
circle_circum
4,687
fractions
medium
What is 18/20 - 4/12? Give as simplified fraction.
17/30
Common denominator 240. Numerator 216-80=136. So 136/240 simplifies to 17/30.
fraction_operations
4,688
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
4,689
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
4,690
roots
easy
What is the square root of 2209?
47
Find number that when squared gives 2209. 47*47=2209, so sqrt(2209)=47.
square_roots
4,691
statistics
easy
What is the mean (average) of 44, 50, 22?
38.67
Mean = sum/count. Sum = 44+50+22=116. Count=3. Mean=116/3=38.67.
mean
4,692
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
4,693
percentages
easy
What is 89% of 228?
202.92
Calculate 89/100 * 228 = 0.89*228 = 202.92.
percentages
4,694
roots
easy
What is the square root of 1156?
34
Find number that when squared gives 1156. 34*34=1156, so sqrt(1156)=34.
square_roots
4,695
number_theory
medium
What is the GCD (greatest common divisor) of 14 and 29?
1
Find greatest number dividing both 14 and 29. Divisors common, greatest is 1.
gcd
4,696
calculus
medium
What is the derivative of 6x^4 with respect to x?
24x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^4] = 6*4*x^3 = 24x^3.
derivative
4,697
arithmetic
easy
What is 34 * 50?
1700
Multiply: 34 * 50 = 1700.
basic_operations
4,698
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
4,699
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
4,700
statistics
easy
What is the mean (average) of 37, 34, 29, 1, 25?
25.2
Mean = sum/count. Sum = 37+34+29+1+25=126. Count=5. Mean=126/5=25.2.
mean