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
730,601
roots
easy
What is the square root of 1024?
32
Find number that when squared gives 1024. 32*32=1024, so sqrt(1024)=32.
square_roots
730,602
calculus
medium
What is the derivative of 3x^8 with respect to x?
24x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^8] = 3*8*x^7 = 24x^7.
derivative
730,603
geometry
easy
Find the perimeter of a rectangle with length 4 and width 22.
52
Perimeter = 2*(length+width) = 2*(4+22) = 2*26 = 52.
rectangle_perim
730,604
calculus
medium
What is the derivative of 5x^6 with respect to x?
30x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^6] = 5*6*x^5 = 30x^5.
derivative
730,605
percentages
easy
What is 96% of 165?
158.4
Calculate 96/100 * 165 = 0.96*165 = 158.4.
percentages
730,606
algebra
easy
Solve for x: 14x - 14 = 196
15
Add 14 to both sides: 14x = 196+14=210. Then x = 210/14 = 15.
linear_equation
730,607
algebra
medium
Solve for x: x^2 - 2x - 80 = 0
x = 10, -8
Factor: (x - 10)(x - -8) = x^2 -(2)x + -80 = 0. So x = 10 or -8. Check sum = 2, product = -80.
quadratic
730,608
calculus
medium
What is the derivative of 6x^7 with respect to x?
42x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^7] = 6*7*x^6 = 42x^6.
derivative
730,609
exponents
easy
What is 8^4?
4096
8^4 means multiply 8 by itself 4 times: 8*8*8*8 = 4096.
exponents
730,610
arithmetic
easy
What is 1057 / 7?
151
Divide: 1057 ÷ 7 = 151 because 7*151=1057.
division
730,611
number_theory
medium
What is the GCD (greatest common divisor) of 41 and 92?
1
Find greatest number dividing both 41 and 92. Divisors common, greatest is 1.
gcd
730,612
roots
easy
What is the square root of 841?
29
Find number that when squared gives 841. 29*29=841, so sqrt(841)=29.
square_roots
730,613
roots
easy
What is the square root of 169?
13
Find number that when squared gives 169. 13*13=169, so sqrt(169)=13.
square_roots
730,614
calculus
medium
What is the derivative of 4x^2 with respect to x?
8x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^2] = 4*2*x^1 = 8x.
derivative
730,615
arithmetic
easy
What is 1372 / 28?
49
Divide: 1372 ÷ 28 = 49 because 28*49=1372.
division
730,616
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
730,617
exponents
easy
What is 2^3?
8
2^3 means multiply 2 by itself 3 times: 2*2*2 = 8.
exponents
730,618
algebra
easy
Solve for x: 7x - 27 = 85
16
Add 27 to both sides: 7x = 85+27=112. Then x = 112/7 = 16.
linear_equation
730,619
arithmetic
easy
What is 12740 / 70?
182
Divide: 12740 ÷ 70 = 182 because 70*182=12740.
division
730,620
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
730,621
statistics
easy
What is the mean (average) of 45, 47, 95?
62.33
Mean = sum/count. Sum = 45+47+95=187. Count=3. Mean=187/3=62.33.
mean
730,622
percentages
easy
What is 79% of 221?
174.59
Calculate 79/100 * 221 = 0.79*221 = 174.59.
percentages
730,623
arithmetic
easy
What is 71 * 100?
7100
Multiply: 71 * 100 = 7100.
basic_operations
730,624
arithmetic
easy
What is 64 * 88?
5632
Multiply: 64 * 88 = 5632.
basic_operations
730,625
algebra
medium
Solve for x: x^2 - 12x + 32 = 0
x = 4, 8
Factor: (x - 4)(x - 8) = x^2 -(12)x + 32 = 0. So x = 4 or 8. Check sum = 12, product = 32.
quadratic
730,626
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
730,627
arithmetic
easy
What is 91 * 100?
9100
Multiply: 91 * 100 = 9100.
basic_operations
730,628
arithmetic
easy
What is 14695 divided by 99? Give answer to 2 decimal places.
148.43
Calculate 14695/ 99 = 148.4343, rounded to 2 decimals is 148.43.
division
730,629
arithmetic
easy
What is 908 - 456?
452
Subtract: 908 - 456 = 452.
basic_operations
730,630
number_theory
medium
What is the GCD (greatest common divisor) of 66 and 68?
2
Find greatest number dividing both 66 and 68. Divisors common, greatest is 2.
gcd
730,631
arithmetic
easy
What is 12 * 72?
864
Multiply: 12 * 72 = 864.
basic_operations
730,632
geometry
easy
Find the perimeter of a rectangle with length 33 and width 93.
252
Perimeter = 2*(length+width) = 2*(33+93) = 2*126 = 252.
rectangle_perim
730,633
algebra
easy
Solve for x: 15x - 31 = -136
-7
Add 31 to both sides: 15x = -136+31=-105. Then x = -105/15 = -7.
linear_equation
730,634
statistics
easy
What is the mean (average) of 17, 91, 76, 42, 27?
50.6
Mean = sum/count. Sum = 17+91+76+42+27=253. Count=5. Mean=253/5=50.6.
mean
730,635
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
730,636
geometry
easy
Find the circumference of a circle with radius 30. Use pi=3.14159, round to 2 decimals.
188.5
Circumference = 2*pi*r = 2*3.14159*30 = 188.5.
circle_circum
730,637
calculus
medium
What is the derivative of 3x^8 with respect to x?
24x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^8] = 3*8*x^7 = 24x^7.
derivative
730,638
fractions
medium
What is 18/13 + 15/15? Give as simplified fraction.
31/13
Common denominator 13*15=195. 18/13=270/195, 15/15=195/195. Sum = 465/195 = 31/13 simplified.
fraction_operations
730,639
arithmetic
easy
What is 74 * 61?
4514
Multiply: 74 * 61 = 4514.
basic_operations
730,640
algebra
easy
Solve for x: 6x + 13 = -83
-16
Subtract 13 from both sides: 6x = -83-13=-96. Then divide by 6: x = -96/6 = -16.
linear_equation
730,641
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
730,642
algebra
medium
Solve for x: x^2 - 4x = 0
x = 0, 4
Factor: (x - 0)(x - 4) = x^2 -(4)x + 0 = 0. So x = 0 or 4. Check sum = 4, product = 0.
quadratic
730,643
algebra
easy
Solve for x: 12x + 19 = 67
4
Subtract 19 from both sides: 12x = 67-19=48. Then divide by 12: x = 48/12 = 4.
linear_equation
730,644
geometry
easy
Find the area of a triangle with base 14 and height 44.
308
Area = 0.5*base*height = 0.5*14*44 = 308.
triangle_area
730,645
word_problems
easy
If you have 26 apples and you buy 14 more apples, how many apples do you have in total?
40
Add initial 26 plus bought 14: 26+14=40.
addition_word
730,646
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
730,647
word_problems
easy
If you have 30 dollars and you buy 15 more dollars, how many dollars do you have in total?
45
Add initial 30 plus bought 15: 30+15=45.
addition_word
730,648
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
730,649
arithmetic
easy
What is 368 + 629?
997
Add the two numbers: 368 + 629 = 997.
basic_operations
730,650
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
730,651
algebra
medium
Solve for x: x^2 - 3x - 18 = 0
x = 6, -3
Factor: (x - 6)(x - -3) = x^2 -(3)x + -18 = 0. So x = 6 or -3. Check sum = 3, product = -18.
quadratic
730,652
roots
easy
What is the square root of 784?
28
Find number that when squared gives 784. 28*28=784, so sqrt(784)=28.
square_roots
730,653
fractions
medium
What is 15/10 - 10/4? Give as simplified fraction.
-1
Common denominator 40. Numerator 60-100=-40. So -40/40 simplifies to -1.
fraction_operations
730,654
algebra
medium
Solve for x: x^2 - 49 = 0
x = -7, 7
Factor: (x - -7)(x - 7) = x^2 -(0)x + -49 = 0. So x = -7 or 7. Check sum = 0, product = -49.
quadratic
730,655
arithmetic
easy
What is 28 * 49?
1372
Multiply: 28 * 49 = 1372.
basic_operations
730,656
percentages
easy
What is 39% of 752?
293.28
Calculate 39/100 * 752 = 0.39*752 = 293.28.
percentages
730,657
calculus
medium
What is the derivative of 10x^4 with respect to x?
40x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^4] = 10*4*x^3 = 40x^3.
derivative
730,658
arithmetic
easy
What is 84 * 51?
4284
Multiply: 84 * 51 = 4284.
basic_operations
730,659
algebra
easy
Solve for x: 8x + 50 = 122
9
Subtract 50 from both sides: 8x = 122-50=72. Then divide by 8: x = 72/8 = 9.
linear_equation
730,660
percentages
easy
What is 59% of 749?
441.91
Calculate 59/100 * 749 = 0.59*749 = 441.91.
percentages
730,661
word_problems
easy
If you have 87 apples and you buy 22 more apples, how many apples do you have in total?
109
Add initial 87 plus bought 22: 87+22=109.
addition_word
730,662
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
730,663
exponents
easy
What is 12^4?
20736
12^4 means multiply 12 by itself 4 times: 12*12*12*12 = 20736.
exponents
730,664
arithmetic
easy
What is 3190 / 22?
145
Divide: 3190 ÷ 22 = 145 because 22*145=3190.
division
730,665
arithmetic
easy
What is 13656 divided by 75? Give answer to 2 decimal places.
182.08
Calculate 13656/ 75 = 182.0800, rounded to 2 decimals is 182.08.
division
730,666
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
730,667
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
730,668
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
730,669
roots
easy
What is the square root of 100?
10
Find number that when squared gives 100. 10*10=100, so sqrt(100)=10.
square_roots
730,670
number_theory
medium
What is the LCM (least common multiple) of 5 and 41?
205
LCM = |5*41| / GCD(5,41). GCD=1, so LCM=205/1=205.
lcm
730,671
arithmetic
easy
What is 317 + 65 * 92? Remember order of operations.
6297
Order of operations (PEMDAS): first 65*92=5980, then 317+5980=6297.
basic_operations
730,672
arithmetic
easy
What is 2408 / 7?
344
Divide: 2408 ÷ 7 = 344 because 7*344=2408.
division
730,673
statistics
easy
What is the mean (average) of 77, 65, 44, 91?
69.25
Mean = sum/count. Sum = 77+65+44+91=277. Count=4. Mean=277/4=69.25.
mean
730,674
word_problems
easy
If you have 64 apples and you buy 47 more apples, how many apples do you have in total?
111
Add initial 64 plus bought 47: 64+47=111.
addition_word
730,675
algebra
easy
Solve for x: 13x - 11 = 67
6
Add 11 to both sides: 13x = 67+11=78. Then x = 78/13 = 6.
linear_equation
730,676
number_theory
medium
What is the GCD (greatest common divisor) of 70 and 78?
2
Find greatest number dividing both 70 and 78. Divisors common, greatest is 2.
gcd
730,677
geometry
easy
Find the area of a circle with radius 9. Use pi=3.14159, round to 2 decimals.
254.47
Area = pi*r^2 = 3.14159*9^2 = 3.14159*81 = 254.47.
circle_area
730,678
geometry
easy
Find the area of a triangle with base 20 and height 40.
400
Area = 0.5*base*height = 0.5*20*40 = 400.
triangle_area
730,679
geometry
easy
Find the perimeter of a rectangle with length 7 and width 17.
48
Perimeter = 2*(length+width) = 2*(7+17) = 2*24 = 48.
rectangle_perim
730,680
algebra
easy
Solve for x: 4x + 4 = 80
19
Subtract 4 from both sides: 4x = 80-4=76. Then divide by 4: x = 76/4 = 19.
linear_equation
730,681
statistics
easy
What is the mean (average) of 32, 71, 49, 56?
52
Mean = sum/count. Sum = 32+71+49+56=208. Count=4. Mean=208/4=52.0.
mean
730,682
percentages
easy
What is 66% of 455?
300.3
Calculate 66/100 * 455 = 0.66*455 = 300.3.
percentages
730,683
fractions
medium
What is 19/6 + 20/3? Give as simplified fraction.
59/6
Common denominator 6*3=18. 19/6=57/18, 20/3=120/18. Sum = 177/18 = 59/6 simplified.
fraction_operations
730,684
number_theory
medium
What is the GCD (greatest common divisor) of 46 and 20?
2
Find greatest number dividing both 46 and 20. Divisors common, greatest is 2.
gcd
730,685
statistics
easy
What is the mean (average) of 15, 39, 83, 66, 60?
52.6
Mean = sum/count. Sum = 15+39+83+66+60=263. Count=5. Mean=263/5=52.6.
mean
730,686
number_theory
medium
What is the LCM (least common multiple) of 73 and 66?
4818
LCM = |73*66| / GCD(73,66). GCD=1, so LCM=4818/1=4818.
lcm
730,687
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
730,688
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
730,689
statistics
easy
What is the mean (average) of 13, 55, 25?
31
Mean = sum/count. Sum = 13+55+25=93. Count=3. Mean=93/3=31.0.
mean
730,690
exponents
easy
What is 5^4?
625
5^4 means multiply 5 by itself 4 times: 5*5*5*5 = 625.
exponents
730,691
statistics
easy
What is the mean (average) of 51, 78, 20, 30?
44.75
Mean = sum/count. Sum = 51+78+20+30=179. Count=4. Mean=179/4=44.75.
mean
730,692
algebra
medium
Solve for x: x^2 + 11x + 10 = 0
x = -10, -1
Factor: (x - -10)(x - -1) = x^2 -(-11)x + 10 = 0. So x = -10 or -1. Check sum = -11, product = 10.
quadratic
730,693
roots
easy
What is the square root of 484?
22
Find number that when squared gives 484. 22*22=484, so sqrt(484)=22.
square_roots
730,694
arithmetic
easy
What is 15050 / 50?
301
Divide: 15050 ÷ 50 = 301 because 50*301=15050.
division
730,695
arithmetic
easy
What is 16863 / 77?
219
Divide: 16863 ÷ 77 = 219 because 77*219=16863.
division
730,696
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
730,697
word_problems
easy
If you have 54 dollars and you buy 38 more dollars, how many dollars do you have in total?
92
Add initial 54 plus bought 38: 54+38=92.
addition_word
730,698
exponents
easy
What is 3^3?
27
3^3 means multiply 3 by itself 3 times: 3*3*3 = 27.
exponents
730,699
statistics
easy
What is the mean (average) of 43, 13, 5, 80?
35.25
Mean = sum/count. Sum = 43+13+5+80=141. Count=4. Mean=141/4=35.25.
mean
730,700
geometry
easy
Find the area of a rectangle with length 30 and width 31.
930
Area = length * width = 30*31 = 930.
rectangle_area