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
3,601
algebra
easy
Solve for x: 14x - 45 = 151
14
Add 45 to both sides: 14x = 151+45=196. Then x = 196/14 = 14.
linear_equation
3,602
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
3,603
algebra
medium
Solve for x: x^2 + 12x + 35 = 0
x = -5, -7
Factor: (x - -5)(x - -7) = x^2 -(-12)x + 35 = 0. So x = -5 or -7. Check sum = -12, product = 35.
quadratic
3,604
arithmetic
easy
What is 358 + 919?
1277
Add the two numbers: 358 + 919 = 1277.
basic_operations
3,605
arithmetic
easy
What is 992 - 116?
876
Subtract: 992 - 116 = 876.
basic_operations
3,606
word_problems
easy
If you have 22 apples and you buy 39 more apples, how many apples do you have in total?
61
Add initial 22 plus bought 39: 22+39=61.
addition_word
3,607
exponents
easy
What is 9^5?
59049
9^5 means multiply 9 by itself 5 times: 9*9*9*9*9 = 59049.
exponents
3,608
geometry
easy
Find the perimeter of a rectangle with length 42 and width 85.
254
Perimeter = 2*(length+width) = 2*(42+85) = 2*127 = 254.
rectangle_perim
3,609
number_theory
medium
What is the GCD (greatest common divisor) of 79 and 86?
1
Find greatest number dividing both 79 and 86. Divisors common, greatest is 1.
gcd
3,610
statistics
easy
What is the mean (average) of 96, 74, 26, 17?
53.25
Mean = sum/count. Sum = 96+74+26+17=213. Count=4. Mean=213/4=53.25.
mean
3,611
percentages
easy
What is 66% of 133?
87.78
Calculate 66/100 * 133 = 0.66*133 = 87.78.
percentages
3,612
algebra
easy
Solve for x: 8x + 34 = -86
-15
Subtract 34 from both sides: 8x = -86-34=-120. Then divide by 8: x = -120/8 = -15.
linear_equation
3,613
arithmetic
easy
What is 19251 / 93?
207
Divide: 19251 ÷ 93 = 207 because 93*207=19251.
division
3,614
percentages
easy
What is 29% of 257?
74.53
Calculate 29/100 * 257 = 0.29*257 = 74.53.
percentages
3,615
algebra
medium
Solve for x: x^2 + 1x = 0
x = -1, 0
Factor: (x - -1)(x - 0) = x^2 -(-1)x + 0 = 0. So x = -1 or 0. Check sum = -1, product = 0.
quadratic
3,616
word_problems
easy
If you have 90 pencils and you buy 38 more pencils, how many pencils do you have in total?
128
Add initial 90 plus bought 38: 90+38=128.
addition_word
3,617
geometry
easy
Find the perimeter of a rectangle with length 42 and width 55.
194
Perimeter = 2*(length+width) = 2*(42+55) = 2*97 = 194.
rectangle_perim
3,618
number_theory
medium
What is the GCD (greatest common divisor) of 85 and 19?
1
Find greatest number dividing both 85 and 19. Divisors common, greatest is 1.
gcd
3,619
calculus
medium
What is the derivative of 1x^7 with respect to x?
7x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^7] = 1*7*x^6 = 7x^6.
derivative
3,620
fractions
medium
What is 6/2 + 5/3? Give as simplified fraction.
14/3
Common denominator 2*3=6. 6/2=18/6, 5/3=10/6. Sum = 28/6 = 14/3 simplified.
fraction_operations
3,621
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
3,622
arithmetic
easy
What is 586 + 493 * 62? Remember order of operations.
31152
Order of operations (PEMDAS): first 493*62=30566, then 586+30566=31152.
basic_operations
3,623
calculus
medium
What is the derivative of 4x^5 with respect to x?
20x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^5] = 4*5*x^4 = 20x^4.
derivative
3,624
word_problems
easy
If you have 84 pencils and you buy 17 more pencils, how many pencils do you have in total?
101
Add initial 84 plus bought 17: 84+17=101.
addition_word
3,625
word_problems
easy
If you have 20 dollars and you buy 48 more dollars, how many dollars do you have in total?
68
Add initial 20 plus bought 48: 20+48=68.
addition_word
3,626
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
3,627
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
3,628
statistics
easy
What is the mean (average) of 59, 85, 13, 86, 44?
57.4
Mean = sum/count. Sum = 59+85+13+86+44=287. Count=5. Mean=287/5=57.4.
mean
3,629
geometry
easy
Find the area of a rectangle with length 47 and width 55.
2585
Area = length * width = 47*55 = 2585.
rectangle_area
3,630
arithmetic
easy
What is 988 + 557 * 17? Remember order of operations.
10457
Order of operations (PEMDAS): first 557*17=9469, then 988+9469=10457.
basic_operations
3,631
word_problems
easy
If you have 19 pencils and you buy 8 more pencils, how many pencils do you have in total?
27
Add initial 19 plus bought 8: 19+8=27.
addition_word
3,632
exponents
easy
What is 4^4?
256
4^4 means multiply 4 by itself 4 times: 4*4*4*4 = 256.
exponents
3,633
exponents
easy
What is 9^5?
59049
9^5 means multiply 9 by itself 5 times: 9*9*9*9*9 = 59049.
exponents
3,634
arithmetic
easy
What is 990 + 888?
1878
Add the two numbers: 990 + 888 = 1878.
basic_operations
3,635
fractions
medium
What is 5/9 * 1/8? Give as simplified fraction.
5/72
Multiply numerators: 5*1=5. Denominators: 9*8=72. Simplify by gcd 1 to get 5/72.
fraction_operations
3,636
number_theory
medium
What is the GCD (greatest common divisor) of 68 and 77?
1
Find greatest number dividing both 68 and 77. Divisors common, greatest is 1.
gcd
3,637
arithmetic
easy
What is 30 * 89?
2670
Multiply: 30 * 89 = 2670.
basic_operations
3,638
algebra
medium
Solve for x: x^2 + 4x - 5 = 0
x = 1, -5
Factor: (x - 1)(x - -5) = x^2 -(-4)x + -5 = 0. So x = 1 or -5. Check sum = -4, product = -5.
quadratic
3,639
arithmetic
easy
What is 7565 / 89?
85
Divide: 7565 ÷ 89 = 85 because 89*85=7565.
division
3,640
algebra
easy
Solve for x: 18x + 28 = 154
7
Subtract 28 from both sides: 18x = 154-28=126. Then divide by 18: x = 126/18 = 7.
linear_equation
3,641
fractions
medium
What is 9/3 - 13/11? Give as simplified fraction.
20/11
Common denominator 33. Numerator 99-39=60. So 60/33 simplifies to 20/11.
fraction_operations
3,642
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
3,643
word_problems
easy
If you have 46 dollars and you buy 9 more dollars, how many dollars do you have in total?
55
Add initial 46 plus bought 9: 46+9=55.
addition_word
3,644
arithmetic
easy
What is 86 + 40 * 91? Remember order of operations.
3726
Order of operations (PEMDAS): first 40*91=3640, then 86+3640=3726.
basic_operations
3,645
arithmetic
easy
What is 61 + 774 * 53? Remember order of operations.
41083
Order of operations (PEMDAS): first 774*53=41022, then 61+41022=41083.
basic_operations
3,646
algebra
medium
Solve for x: x^2 + 1x - 6 = 0
x = -3, 2
Factor: (x - -3)(x - 2) = x^2 -(-1)x + -6 = 0. So x = -3 or 2. Check sum = -1, product = -6.
quadratic
3,647
algebra
medium
Solve for x: x^2 - 13x + 30 = 0
x = 10, 3
Factor: (x - 10)(x - 3) = x^2 -(13)x + 30 = 0. So x = 10 or 3. Check sum = 13, product = 30.
quadratic
3,648
calculus
medium
What is the derivative of 4x^6 with respect to x?
24x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^6] = 4*6*x^5 = 24x^5.
derivative
3,649
percentages
easy
What is 45% of 73?
32.85
Calculate 45/100 * 73 = 0.45*73 = 32.85.
percentages
3,650
percentages
easy
What is 36% of 144?
51.84
Calculate 36/100 * 144 = 0.36*144 = 51.84.
percentages
3,651
calculus
medium
What is the derivative of 10x^2 with respect to x?
20x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^2] = 10*2*x^1 = 20x.
derivative
3,652
algebra
easy
Solve for x: 7x + 6 = -71
-11
Subtract 6 from both sides: 7x = -71-6=-77. Then divide by 7: x = -77/7 = -11.
linear_equation
3,653
geometry
easy
Find the area of a circle with radius 1. Use pi=3.14159, round to 2 decimals.
3.14
Area = pi*r^2 = 3.14159*1^2 = 3.14159*1 = 3.14.
circle_area
3,654
arithmetic
easy
What is 10894 divided by 68? Give answer to 2 decimal places.
160.21
Calculate 10894/ 68 = 160.2059, rounded to 2 decimals is 160.21.
division
3,655
percentages
easy
What is 85% of 449?
381.65
Calculate 85/100 * 449 = 0.85*449 = 381.65.
percentages
3,656
exponents
easy
What is 3^5?
243
3^5 means multiply 3 by itself 5 times: 3*3*3*3*3 = 243.
exponents
3,657
algebra
easy
Solve for x: 3x + 46 = 49
1
Subtract 46 from both sides: 3x = 49-46=3. Then divide by 3: x = 3/3 = 1.
linear_equation
3,658
geometry
easy
Find the area of a rectangle with length 49 and width 33.
1617
Area = length * width = 49*33 = 1617.
rectangle_area
3,659
arithmetic
easy
What is 19598 / 82?
239
Divide: 19598 ÷ 82 = 239 because 82*239=19598.
division
3,660
statistics
easy
What is the mean (average) of 29, 67, 14, 12?
30.5
Mean = sum/count. Sum = 29+67+14+12=122. Count=4. Mean=122/4=30.5.
mean
3,661
number_theory
medium
What is the LCM (least common multiple) of 31 and 86?
2666
LCM = |31*86| / GCD(31,86). GCD=1, so LCM=2666/1=2666.
lcm
3,662
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
3,663
arithmetic
easy
What is 654 - 108?
546
Subtract: 654 - 108 = 546.
basic_operations
3,664
geometry
easy
Find the area of a circle with radius 41. Use pi=3.14159, round to 2 decimals.
5281.02
Area = pi*r^2 = 3.14159*41^2 = 3.14159*1681 = 5281.02.
circle_area
3,665
roots
easy
What is the square root of 729?
27
Find number that when squared gives 729. 27*27=729, so sqrt(729)=27.
square_roots
3,666
geometry
easy
Find the area of a circle with radius 6. Use pi=3.14159, round to 2 decimals.
113.1
Area = pi*r^2 = 3.14159*6^2 = 3.14159*36 = 113.1.
circle_area
3,667
arithmetic
easy
What is 104 + 731?
835
Add the two numbers: 104 + 731 = 835.
basic_operations
3,668
percentages
easy
What is 76% of 445?
338.2
Calculate 76/100 * 445 = 0.76*445 = 338.2.
percentages
3,669
geometry
easy
Find the area of a rectangle with length 100 and width 91.
9100
Area = length * width = 100*91 = 9100.
rectangle_area
3,670
statistics
easy
What is the mean (average) of 78, 73, 49, 78, 67?
69
Mean = sum/count. Sum = 78+73+49+78+67=345. Count=5. Mean=345/5=69.0.
mean
3,671
calculus
medium
What is the derivative of 10x^2 with respect to x?
20x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^2] = 10*2*x^1 = 20x.
derivative
3,672
arithmetic
easy
What is 33110 / 77?
430
Divide: 33110 ÷ 77 = 430 because 77*430=33110.
division
3,673
arithmetic
easy
What is 12224 divided by 99? Give answer to 2 decimal places.
123.47
Calculate 12224/ 99 = 123.4747, rounded to 2 decimals is 123.47.
division
3,674
calculus
medium
What is the derivative of 1x^7 with respect to x?
7x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^7] = 1*7*x^6 = 7x^6.
derivative
3,675
number_theory
medium
What is the LCM (least common multiple) of 83 and 57?
4731
LCM = |83*57| / GCD(83,57). GCD=1, so LCM=4731/1=4731.
lcm
3,676
arithmetic
easy
What is 100 * 56?
5600
Multiply: 100 * 56 = 5600.
basic_operations
3,677
arithmetic
easy
What is 222 + 581?
803
Add the two numbers: 222 + 581 = 803.
basic_operations
3,678
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
3,679
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
3,680
word_problems
easy
If you have 37 dollars and you buy 23 more dollars, how many dollars do you have in total?
60
Add initial 37 plus bought 23: 37+23=60.
addition_word
3,681
number_theory
medium
What is the LCM (least common multiple) of 32 and 36?
288
LCM = |32*36| / GCD(32,36). GCD=4, so LCM=1152/4=288.
lcm
3,682
arithmetic
easy
What is 34 * 99?
3366
Multiply: 34 * 99 = 3366.
basic_operations
3,683
fractions
medium
What is 18/19 - 11/14? Give as simplified fraction.
43/266
Common denominator 266. Numerator 252-209=43. So 43/266 simplifies to 43/266.
fraction_operations
3,684
algebra
medium
Solve for x: x^2 + 3x - 40 = 0
x = 5, -8
Factor: (x - 5)(x - -8) = x^2 -(-3)x + -40 = 0. So x = 5 or -8. Check sum = -3, product = -40.
quadratic
3,685
roots
easy
What is the square root of 529?
23
Find number that when squared gives 529. 23*23=529, so sqrt(529)=23.
square_roots
3,686
percentages
easy
What is 41% of 849?
348.09
Calculate 41/100 * 849 = 0.41*849 = 348.09.
percentages
3,687
exponents
easy
What is 3^2?
9
3^2 means multiply 3 by itself 2 times: 3*3 = 9.
exponents
3,688
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
3,689
statistics
easy
What is the mean (average) of 24, 97, 49, 26, 34?
46
Mean = sum/count. Sum = 24+97+49+26+34=230. Count=5. Mean=230/5=46.0.
mean
3,690
statistics
easy
What is the mean (average) of 44, 57, 47, 97?
61.25
Mean = sum/count. Sum = 44+57+47+97=245. Count=4. Mean=245/4=61.25.
mean
3,691
algebra
medium
Solve for x: x^2 + 5x = 0
x = -5, 0
Factor: (x - -5)(x - 0) = x^2 -(-5)x + 0 = 0. So x = -5 or 0. Check sum = -5, product = 0.
quadratic
3,692
arithmetic
easy
What is 195 - 115?
80
Subtract: 195 - 115 = 80.
basic_operations
3,693
exponents
easy
What is 10^3?
1000
10^3 means multiply 10 by itself 3 times: 10*10*10 = 1000.
exponents
3,694
calculus
medium
What is the derivative of 2x^6 with respect to x?
12x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^6] = 2*6*x^5 = 12x^5.
derivative
3,695
fractions
medium
What is 3/4 - 20/14? Give as simplified fraction.
-19/28
Common denominator 56. Numerator 42-80=-38. So -38/56 simplifies to -19/28.
fraction_operations
3,696
algebra
easy
Solve for x: 11x + 18 = 40
2
Subtract 18 from both sides: 11x = 40-18=22. Then divide by 11: x = 22/11 = 2.
linear_equation
3,697
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
3,698
arithmetic
easy
What is 40128 / 96?
418
Divide: 40128 ÷ 96 = 418 because 96*418=40128.
division
3,699
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
3,700
word_problems
easy
If you have 10 pencils and you buy 16 more pencils, how many pencils do you have in total?
26
Add initial 10 plus bought 16: 10+16=26.
addition_word