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
734,701
statistics
easy
What is the mean (average) of 32, 27, 65, 8?
33
Mean = sum/count. Sum = 32+27+65+8=132. Count=4. Mean=132/4=33.0.
mean
734,702
arithmetic
easy
What is 643 - 618?
25
Subtract: 643 - 618 = 25.
basic_operations
734,703
exponents
easy
What is 5^3?
125
5^3 means multiply 5 by itself 3 times: 5*5*5 = 125.
exponents
734,704
algebra
medium
Solve for x: x^2 + 10x = 0
x = -10, 0
Factor: (x - -10)(x - 0) = x^2 -(-10)x + 0 = 0. So x = -10 or 0. Check sum = -10, product = 0.
quadratic
734,705
arithmetic
easy
What is 824 - 24?
800
Subtract: 824 - 24 = 800.
basic_operations
734,706
arithmetic
easy
What is 398 - 285?
113
Subtract: 398 - 285 = 113.
basic_operations
734,707
statistics
easy
What is the mean (average) of 97, 81, 60, 44, 6?
57.6
Mean = sum/count. Sum = 97+81+60+44+6=288. Count=5. Mean=288/5=57.6.
mean
734,708
algebra
medium
Solve for x: x^2 - 8x - 20 = 0
x = 10, -2
Factor: (x - 10)(x - -2) = x^2 -(8)x + -20 = 0. So x = 10 or -2. Check sum = 8, product = -20.
quadratic
734,709
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
734,710
arithmetic
easy
What is 214 + 376?
590
Add the two numbers: 214 + 376 = 590.
basic_operations
734,711
number_theory
medium
What is the LCM (least common multiple) of 69 and 62?
4278
LCM = |69*62| / GCD(69,62). GCD=1, so LCM=4278/1=4278.
lcm
734,712
statistics
easy
What is the mean (average) of 19, 59, 17, 87, 93?
55
Mean = sum/count. Sum = 19+59+17+87+93=275. Count=5. Mean=275/5=55.0.
mean
734,713
geometry
easy
Find the area of a triangle with base 60 and height 85.
2550
Area = 0.5*base*height = 0.5*60*85 = 2550.
triangle_area
734,714
geometry
easy
Find the area of a circle with radius 26. Use pi=3.14159, round to 2 decimals.
2123.72
Area = pi*r^2 = 3.14159*26^2 = 3.14159*676 = 2123.72.
circle_area
734,715
algebra
easy
Solve for x: 20x - 7 = -247
-12
Add 7 to both sides: 20x = -247+7=-240. Then x = -240/20 = -12.
linear_equation
734,716
geometry
easy
Find the area of a rectangle with length 18 and width 97.
1746
Area = length * width = 18*97 = 1746.
rectangle_area
734,717
word_problems
easy
If you have 40 apples and you buy 49 more apples, how many apples do you have in total?
89
Add initial 40 plus bought 49: 40+49=89.
addition_word
734,718
percentages
easy
What is 36% of 602?
216.72
Calculate 36/100 * 602 = 0.36*602 = 216.72.
percentages
734,719
arithmetic
easy
What is 17052 / 98?
174
Divide: 17052 ÷ 98 = 174 because 98*174=17052.
division
734,720
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
734,721
geometry
easy
Find the circumference of a circle with radius 23. Use pi=3.14159, round to 2 decimals.
144.51
Circumference = 2*pi*r = 2*3.14159*23 = 144.51.
circle_circum
734,722
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
734,723
arithmetic
easy
What is 58 * 88?
5104
Multiply: 58 * 88 = 5104.
basic_operations
734,724
fractions
medium
What is 20/4 * 1/11? Give as simplified fraction.
5/11
Multiply numerators: 20*1=20. Denominators: 4*11=44. Simplify by gcd 4 to get 5/11.
fraction_operations
734,725
arithmetic
easy
What is 16878 / 58?
291
Divide: 16878 ÷ 58 = 291 because 58*291=16878.
division
734,726
number_theory
medium
What is the GCD (greatest common divisor) of 41 and 17?
1
Find greatest number dividing both 41 and 17. Divisors common, greatest is 1.
gcd
734,727
algebra
medium
Solve for x: x^2 + 17x + 72 = 0
x = -9, -8
Factor: (x - -9)(x - -8) = x^2 -(-17)x + 72 = 0. So x = -9 or -8. Check sum = -17, product = 72.
quadratic
734,728
arithmetic
easy
What is 62 * 17?
1054
Multiply: 62 * 17 = 1054.
basic_operations
734,729
arithmetic
easy
What is 20646 / 93?
222
Divide: 20646 ÷ 93 = 222 because 93*222=20646.
division
734,730
arithmetic
easy
What is 833 + 265 * 29? Remember order of operations.
8518
Order of operations (PEMDAS): first 265*29=7685, then 833+7685=8518.
basic_operations
734,731
arithmetic
easy
What is 23387 / 91?
257
Divide: 23387 ÷ 91 = 257 because 91*257=23387.
division
734,732
geometry
easy
Find the circumference of a circle with radius 33. Use pi=3.14159, round to 2 decimals.
207.35
Circumference = 2*pi*r = 2*3.14159*33 = 207.35.
circle_circum
734,733
statistics
easy
What is the mean (average) of 71, 93, 15, 62, 82?
64.6
Mean = sum/count. Sum = 71+93+15+62+82=323. Count=5. Mean=323/5=64.6.
mean
734,734
algebra
easy
Solve for x: 15x + 21 = 51
2
Subtract 21 from both sides: 15x = 51-21=30. Then divide by 15: x = 30/15 = 2.
linear_equation
734,735
fractions
medium
What is 5/4 * 4/7? Give as simplified fraction.
5/7
Multiply numerators: 5*4=20. Denominators: 4*7=28. Simplify by gcd 4 to get 5/7.
fraction_operations
734,736
arithmetic
easy
What is 269 + 989?
1258
Add the two numbers: 269 + 989 = 1258.
basic_operations
734,737
arithmetic
easy
What is 17313 / 87?
199
Divide: 17313 ÷ 87 = 199 because 87*199=17313.
division
734,738
percentages
easy
What is 79% of 637?
503.23
Calculate 79/100 * 637 = 0.79*637 = 503.23.
percentages
734,739
percentages
easy
What is 2% of 595?
11.9
Calculate 2/100 * 595 = 0.02*595 = 11.9.
percentages
734,740
percentages
easy
What is 79% of 787?
621.73
Calculate 79/100 * 787 = 0.79*787 = 621.73.
percentages
734,741
statistics
easy
What is the mean (average) of 65, 40, 5?
36.67
Mean = sum/count. Sum = 65+40+5=110. Count=3. Mean=110/3=36.67.
mean
734,742
arithmetic
easy
What is 579 + 358?
937
Add the two numbers: 579 + 358 = 937.
basic_operations
734,743
statistics
easy
What is the mean (average) of 44, 93, 73, 79, 34?
64.6
Mean = sum/count. Sum = 44+93+73+79+34=323. Count=5. Mean=323/5=64.6.
mean
734,744
exponents
easy
What is 2^3?
8
2^3 means multiply 2 by itself 3 times: 2*2*2 = 8.
exponents
734,745
fractions
medium
What is 11/13 + 13/15? Give as simplified fraction.
334/195
Common denominator 13*15=195. 11/13=165/195, 13/15=169/195. Sum = 334/195 = 334/195 simplified.
fraction_operations
734,746
word_problems
easy
If you have 47 apples and you buy 45 more apples, how many apples do you have in total?
92
Add initial 47 plus bought 45: 47+45=92.
addition_word
734,747
percentages
easy
What is 86% of 317?
272.62
Calculate 86/100 * 317 = 0.86*317 = 272.62.
percentages
734,748
fractions
medium
What is 2/7 - 15/8? Give as simplified fraction.
-89/56
Common denominator 56. Numerator 16-105=-89. So -89/56 simplifies to -89/56.
fraction_operations
734,749
geometry
easy
Find the area of a rectangle with length 7 and width 74.
518
Area = length * width = 7*74 = 518.
rectangle_area
734,750
exponents
easy
What is 3^2?
9
3^2 means multiply 3 by itself 2 times: 3*3 = 9.
exponents
734,751
arithmetic
easy
What is 659 + 533?
1192
Add the two numbers: 659 + 533 = 1192.
basic_operations
734,752
fractions
medium
What is 2/2 * 10/19? Give as simplified fraction.
10/19
Multiply numerators: 2*10=20. Denominators: 2*19=38. Simplify by gcd 2 to get 10/19.
fraction_operations
734,753
number_theory
medium
What is the LCM (least common multiple) of 63 and 65?
4095
LCM = |63*65| / GCD(63,65). GCD=1, so LCM=4095/1=4095.
lcm
734,754
algebra
easy
Solve for x: 6x - 36 = -48
-2
Add 36 to both sides: 6x = -48+36=-12. Then x = -12/6 = -2.
linear_equation
734,755
percentages
easy
What is 46% of 706?
324.76
Calculate 46/100 * 706 = 0.46*706 = 324.76.
percentages
734,756
number_theory
medium
What is the LCM (least common multiple) of 54 and 60?
540
LCM = |54*60| / GCD(54,60). GCD=6, so LCM=3240/6=540.
lcm
734,757
arithmetic
easy
What is 42 + 655 * 18? Remember order of operations.
11832
Order of operations (PEMDAS): first 655*18=11790, then 42+11790=11832.
basic_operations
734,758
arithmetic
easy
What is 410 + 800?
1210
Add the two numbers: 410 + 800 = 1210.
basic_operations
734,759
statistics
easy
What is the mean (average) of 4, 29, 60?
31
Mean = sum/count. Sum = 4+29+60=93. Count=3. Mean=93/3=31.0.
mean
734,760
algebra
medium
Solve for x: x^2 - 2x - 24 = 0
x = 6, -4
Factor: (x - 6)(x - -4) = x^2 -(2)x + -24 = 0. So x = 6 or -4. Check sum = 2, product = -24.
quadratic
734,761
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
734,762
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
734,763
arithmetic
easy
What is 697 + 64 * 31? Remember order of operations.
2681
Order of operations (PEMDAS): first 64*31=1984, then 697+1984=2681.
basic_operations
734,764
number_theory
medium
What is the LCM (least common multiple) of 23 and 83?
1909
LCM = |23*83| / GCD(23,83). GCD=1, so LCM=1909/1=1909.
lcm
734,765
roots
easy
What is the square root of 1849?
43
Find number that when squared gives 1849. 43*43=1849, so sqrt(1849)=43.
square_roots
734,766
exponents
easy
What is 2^5?
32
2^5 means multiply 2 by itself 5 times: 2*2*2*2*2 = 32.
exponents
734,767
statistics
easy
What is the mean (average) of 73, 10, 29?
37.33
Mean = sum/count. Sum = 73+10+29=112. Count=3. Mean=112/3=37.33.
mean
734,768
fractions
medium
What is 10/5 + 6/8? Give as simplified fraction.
11/4
Common denominator 5*8=40. 10/5=80/40, 6/8=30/40. Sum = 110/40 = 11/4 simplified.
fraction_operations
734,769
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
734,770
number_theory
medium
What is the GCD (greatest common divisor) of 88 and 98?
2
Find greatest number dividing both 88 and 98. Divisors common, greatest is 2.
gcd
734,771
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
734,772
fractions
medium
What is 5/16 + 1/14? Give as simplified fraction.
43/112
Common denominator 16*14=224. 5/16=70/224, 1/14=16/224. Sum = 86/224 = 43/112 simplified.
fraction_operations
734,773
arithmetic
easy
What is 13904 / 88?
158
Divide: 13904 ÷ 88 = 158 because 88*158=13904.
division
734,774
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
734,775
number_theory
medium
What is the GCD (greatest common divisor) of 19 and 58?
1
Find greatest number dividing both 19 and 58. Divisors common, greatest is 1.
gcd
734,776
calculus
medium
What is the derivative of 6x^5 with respect to x?
30x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^5] = 6*5*x^4 = 30x^4.
derivative
734,777
arithmetic
easy
What is 84 * 31?
2604
Multiply: 84 * 31 = 2604.
basic_operations
734,778
arithmetic
easy
What is 51 * 41?
2091
Multiply: 51 * 41 = 2091.
basic_operations
734,779
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
734,780
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
734,781
fractions
medium
What is 12/6 + 17/4? Give as simplified fraction.
25/4
Common denominator 6*4=24. 12/6=48/24, 17/4=102/24. Sum = 150/24 = 25/4 simplified.
fraction_operations
734,782
word_problems
easy
If you have 87 pencils and you buy 38 more pencils, how many pencils do you have in total?
125
Add initial 87 plus bought 38: 87+38=125.
addition_word
734,783
number_theory
medium
What is the GCD (greatest common divisor) of 44 and 6?
2
Find greatest number dividing both 44 and 6. Divisors common, greatest is 2.
gcd
734,784
word_problems
easy
If you have 65 apples and you buy 42 more apples, how many apples do you have in total?
107
Add initial 65 plus bought 42: 65+42=107.
addition_word
734,785
arithmetic
easy
What is 57 * 57?
3249
Multiply: 57 * 57 = 3249.
basic_operations
734,786
calculus
medium
What is the derivative of 8x^3 with respect to x?
24x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^3] = 8*3*x^2 = 24x^2.
derivative
734,787
percentages
easy
What is 44% of 334?
146.96
Calculate 44/100 * 334 = 0.44*334 = 146.96.
percentages
734,788
arithmetic
easy
What is 7290 / 90?
81
Divide: 7290 ÷ 90 = 81 because 90*81=7290.
division
734,789
word_problems
easy
If you have 36 apples and you buy 13 more apples, how many apples do you have in total?
49
Add initial 36 plus bought 13: 36+13=49.
addition_word
734,790
arithmetic
easy
What is 590 + 33?
623
Add the two numbers: 590 + 33 = 623.
basic_operations
734,791
statistics
easy
What is the mean (average) of 11, 21, 31, 39, 98?
40
Mean = sum/count. Sum = 11+21+31+39+98=200. Count=5. Mean=200/5=40.0.
mean
734,792
arithmetic
easy
What is 1669 divided by 42? Give answer to 2 decimal places.
39.74
Calculate 1669/ 42 = 39.7381, rounded to 2 decimals is 39.74.
division
734,793
exponents
easy
What is 2^3?
8
2^3 means multiply 2 by itself 3 times: 2*2*2 = 8.
exponents
734,794
arithmetic
easy
What is 666 - 421?
245
Subtract: 666 - 421 = 245.
basic_operations
734,795
arithmetic
easy
What is 326 + 699?
1025
Add the two numbers: 326 + 699 = 1025.
basic_operations
734,796
arithmetic
easy
What is 17101 / 49?
349
Divide: 17101 ÷ 49 = 349 because 49*349=17101.
division
734,797
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
734,798
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
734,799
arithmetic
easy
What is 20880 / 72?
290
Divide: 20880 ÷ 72 = 290 because 72*290=20880.
division
734,800
arithmetic
easy
What is 840 - 383?
457
Subtract: 840 - 383 = 457.
basic_operations