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
5,701
statistics
easy
What is the mean (average) of 2, 37, 72?
37
Mean = sum/count. Sum = 2+37+72=111. Count=3. Mean=111/3=37.0.
mean
5,702
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
5,703
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
5,704
arithmetic
easy
What is 321 - 186?
135
Subtract: 321 - 186 = 135.
basic_operations
5,705
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
5,706
fractions
medium
What is 11/9 + 16/18? Give as simplified fraction.
19/9
Common denominator 9*18=162. 11/9=198/162, 16/18=144/162. Sum = 342/162 = 19/9 simplified.
fraction_operations
5,707
arithmetic
easy
What is 19430 / 67?
290
Divide: 19430 ÷ 67 = 290 because 67*290=19430.
division
5,708
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
5,709
statistics
easy
What is the mean (average) of 38, 36, 49?
41
Mean = sum/count. Sum = 38+36+49=123. Count=3. Mean=123/3=41.0.
mean
5,710
statistics
easy
What is the mean (average) of 95, 62, 57?
71.33
Mean = sum/count. Sum = 95+62+57=214. Count=3. Mean=214/3=71.33.
mean
5,711
calculus
medium
What is the derivative of 10x^3 with respect to x?
30x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^3] = 10*3*x^2 = 30x^2.
derivative
5,712
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
5,713
exponents
easy
What is 5^3?
125
5^3 means multiply 5 by itself 3 times: 5*5*5 = 125.
exponents
5,714
calculus
medium
What is the derivative of 10x^3 with respect to x?
30x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^3] = 10*3*x^2 = 30x^2.
derivative
5,715
geometry
easy
Find the circumference of a circle with radius 41. Use pi=3.14159, round to 2 decimals.
257.61
Circumference = 2*pi*r = 2*3.14159*41 = 257.61.
circle_circum
5,716
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
5,717
roots
easy
What is the square root of 16?
4
Find number that when squared gives 16. 4*4=16, so sqrt(16)=4.
square_roots
5,718
arithmetic
easy
What is 707 + 38?
745
Add the two numbers: 707 + 38 = 745.
basic_operations
5,719
roots
easy
What is the square root of 961?
31
Find number that when squared gives 961. 31*31=961, so sqrt(961)=31.
square_roots
5,720
percentages
easy
What is 74% of 18?
13.32
Calculate 74/100 * 18 = 0.74*18 = 13.32.
percentages
5,721
percentages
easy
What is 88% of 726?
638.88
Calculate 88/100 * 726 = 0.88*726 = 638.88.
percentages
5,722
roots
easy
What is the square root of 121?
11
Find number that when squared gives 121. 11*11=121, so sqrt(121)=11.
square_roots
5,723
arithmetic
easy
What is 4118 divided by 92? Give answer to 2 decimal places.
44.76
Calculate 4118/ 92 = 44.7609, rounded to 2 decimals is 44.76.
division
5,724
exponents
easy
What is 6^3?
216
6^3 means multiply 6 by itself 3 times: 6*6*6 = 216.
exponents
5,725
exponents
easy
What is 8^4?
4096
8^4 means multiply 8 by itself 4 times: 8*8*8*8 = 4096.
exponents
5,726
exponents
easy
What is 11^5?
161051
11^5 means multiply 11 by itself 5 times: 11*11*11*11*11 = 161051.
exponents
5,727
number_theory
medium
What is the LCM (least common multiple) of 57 and 22?
1254
LCM = |57*22| / GCD(57,22). GCD=1, so LCM=1254/1=1254.
lcm
5,728
statistics
easy
What is the mean (average) of 82, 91, 74, 45?
73
Mean = sum/count. Sum = 82+91+74+45=292. Count=4. Mean=292/4=73.0.
mean
5,729
algebra
easy
Solve for x: 17x + 44 = -177
-13
Subtract 44 from both sides: 17x = -177-44=-221. Then divide by 17: x = -221/17 = -13.
linear_equation
5,730
arithmetic
easy
What is 184 - 147?
37
Subtract: 184 - 147 = 37.
basic_operations
5,731
word_problems
easy
If you have 98 pencils and you buy 35 more pencils, how many pencils do you have in total?
133
Add initial 98 plus bought 35: 98+35=133.
addition_word
5,732
arithmetic
easy
What is 70 * 25?
1750
Multiply: 70 * 25 = 1750.
basic_operations
5,733
word_problems
easy
If you have 15 apples and you buy 30 more apples, how many apples do you have in total?
45
Add initial 15 plus bought 30: 15+30=45.
addition_word
5,734
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
5,735
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
5,736
arithmetic
easy
What is 14666 divided by 36? Give answer to 2 decimal places.
407.39
Calculate 14666/ 36 = 407.3889, rounded to 2 decimals is 407.39.
division
5,737
statistics
easy
What is the mean (average) of 67, 51, 67?
61.67
Mean = sum/count. Sum = 67+51+67=185. Count=3. Mean=185/3=61.67.
mean
5,738
arithmetic
easy
What is 1128 / 12?
94
Divide: 1128 ÷ 12 = 94 because 12*94=1128.
division
5,739
fractions
medium
What is 17/18 * 11/15? Give as simplified fraction.
187/270
Multiply numerators: 17*11=187. Denominators: 18*15=270. Simplify by gcd 1 to get 187/270.
fraction_operations
5,740
arithmetic
easy
What is 3556 divided by 12? Give answer to 2 decimal places.
296.33
Calculate 3556/ 12 = 296.3333, rounded to 2 decimals is 296.33.
division
5,741
arithmetic
easy
What is 2 * 3?
6
Multiply: 2 * 3 = 6.
basic_operations
5,742
algebra
medium
Solve for x: x^2 + 3x - 28 = 0
x = -7, 4
Factor: (x - -7)(x - 4) = x^2 -(-3)x + -28 = 0. So x = -7 or 4. Check sum = -3, product = -28.
quadratic
5,743
word_problems
easy
If you have 78 dollars and you buy 4 more dollars, how many dollars do you have in total?
82
Add initial 78 plus bought 4: 78+4=82.
addition_word
5,744
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
5,745
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
5,746
fractions
medium
What is 8/13 * 3/12? Give as simplified fraction.
2/13
Multiply numerators: 8*3=24. Denominators: 13*12=156. Simplify by gcd 12 to get 2/13.
fraction_operations
5,747
arithmetic
easy
What is 2 * 99?
198
Multiply: 2 * 99 = 198.
basic_operations
5,748
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
5,749
algebra
easy
Solve for x: 13x - 48 = -217
-13
Add 48 to both sides: 13x = -217+48=-169. Then x = -169/13 = -13.
linear_equation
5,750
arithmetic
easy
What is 9300 / 75?
124
Divide: 9300 ÷ 75 = 124 because 75*124=9300.
division
5,751
percentages
easy
What is 69% of 129?
89.01
Calculate 69/100 * 129 = 0.69*129 = 89.01.
percentages
5,752
statistics
easy
What is the mean (average) of 18, 83, 41, 45?
46.75
Mean = sum/count. Sum = 18+83+41+45=187. Count=4. Mean=187/4=46.75.
mean
5,753
arithmetic
easy
What is 12243 / 33?
371
Divide: 12243 ÷ 33 = 371 because 33*371=12243.
division
5,754
arithmetic
easy
What is 13 * 65?
845
Multiply: 13 * 65 = 845.
basic_operations
5,755
arithmetic
easy
What is 291 + 336 * 8? Remember order of operations.
2979
Order of operations (PEMDAS): first 336*8=2688, then 291+2688=2979.
basic_operations
5,756
word_problems
easy
If you have 31 apples and you buy 26 more apples, how many apples do you have in total?
57
Add initial 31 plus bought 26: 31+26=57.
addition_word
5,757
roots
easy
What is the square root of 2025?
45
Find number that when squared gives 2025. 45*45=2025, so sqrt(2025)=45.
square_roots
5,758
statistics
easy
What is the mean (average) of 49, 97, 52?
66
Mean = sum/count. Sum = 49+97+52=198. Count=3. Mean=198/3=66.0.
mean
5,759
algebra
easy
Solve for x: 15x - 40 = -145
-7
Add 40 to both sides: 15x = -145+40=-105. Then x = -105/15 = -7.
linear_equation
5,760
number_theory
medium
What is the LCM (least common multiple) of 66 and 93?
2046
LCM = |66*93| / GCD(66,93). GCD=3, so LCM=6138/3=2046.
lcm
5,761
percentages
easy
What is 27% of 362?
97.74
Calculate 27/100 * 362 = 0.27*362 = 97.74.
percentages
5,762
percentages
easy
What is 80% of 62?
49.6
Calculate 80/100 * 62 = 0.8*62 = 49.6.
percentages
5,763
arithmetic
easy
What is 642 - 342?
300
Subtract: 642 - 342 = 300.
basic_operations
5,764
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
5,765
number_theory
medium
What is the LCM (least common multiple) of 82 and 38?
1558
LCM = |82*38| / GCD(82,38). GCD=2, so LCM=3116/2=1558.
lcm
5,766
percentages
easy
What is 12% of 667?
80.04
Calculate 12/100 * 667 = 0.12*667 = 80.04.
percentages
5,767
roots
easy
What is the square root of 625?
25
Find number that when squared gives 625. 25*25=625, so sqrt(625)=25.
square_roots
5,768
calculus
medium
What is the derivative of 10x^3 with respect to x?
30x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^3] = 10*3*x^2 = 30x^2.
derivative
5,769
statistics
easy
What is the mean (average) of 24, 46, 45, 15, 13?
28.6
Mean = sum/count. Sum = 24+46+45+15+13=143. Count=5. Mean=143/5=28.6.
mean
5,770
calculus
medium
What is the derivative of 4x^4 with respect to x?
16x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^4] = 4*4*x^3 = 16x^3.
derivative
5,771
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
5,772
arithmetic
easy
What is 676 + 138?
814
Add the two numbers: 676 + 138 = 814.
basic_operations
5,773
algebra
medium
Solve for x: x^2 + 6x - 40 = 0
x = 4, -10
Factor: (x - 4)(x - -10) = x^2 -(-6)x + -40 = 0. So x = 4 or -10. Check sum = -6, product = -40.
quadratic
5,774
algebra
medium
Solve for x: x^2 - 16x + 63 = 0
x = 7, 9
Factor: (x - 7)(x - 9) = x^2 -(16)x + 63 = 0. So x = 7 or 9. Check sum = 16, product = 63.
quadratic
5,775
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
5,776
calculus
medium
What is the derivative of 1x^5 with respect to x?
5x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^5] = 1*5*x^4 = 5x^4.
derivative
5,777
roots
easy
What is the square root of 256?
16
Find number that when squared gives 256. 16*16=256, so sqrt(256)=16.
square_roots
5,778
exponents
easy
What is 4^2?
16
4^2 means multiply 4 by itself 2 times: 4*4 = 16.
exponents
5,779
calculus
medium
What is the derivative of 5x^8 with respect to x?
40x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^8] = 5*8*x^7 = 40x^7.
derivative
5,780
geometry
easy
Find the area of a rectangle with length 91 and width 88.
8008
Area = length * width = 91*88 = 8008.
rectangle_area
5,781
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
5,782
arithmetic
easy
What is 60 * 42?
2520
Multiply: 60 * 42 = 2520.
basic_operations
5,783
fractions
medium
What is 11/19 - 10/15? Give as simplified fraction.
-5/57
Common denominator 285. Numerator 165-190=-25. So -25/285 simplifies to -5/57.
fraction_operations
5,784
arithmetic
easy
What is 999 + 383 * 16? Remember order of operations.
7127
Order of operations (PEMDAS): first 383*16=6128, then 999+6128=7127.
basic_operations
5,785
arithmetic
easy
What is 139 + 503 * 28? Remember order of operations.
14223
Order of operations (PEMDAS): first 503*28=14084, then 139+14084=14223.
basic_operations
5,786
statistics
easy
What is the mean (average) of 27, 55, 18, 66?
41.5
Mean = sum/count. Sum = 27+55+18+66=166. Count=4. Mean=166/4=41.5.
mean
5,787
arithmetic
easy
What is 11375 / 35?
325
Divide: 11375 ÷ 35 = 325 because 35*325=11375.
division
5,788
word_problems
easy
If you have 19 pencils and you buy 34 more pencils, how many pencils do you have in total?
53
Add initial 19 plus bought 34: 19+34=53.
addition_word
5,789
percentages
easy
What is 76% of 325?
247
Calculate 76/100 * 325 = 0.76*325 = 247.
percentages
5,790
fractions
medium
What is 1/20 + 14/20? Give as simplified fraction.
3/4
Common denominator 20*20=400. 1/20=20/400, 14/20=280/400. Sum = 300/400 = 3/4 simplified.
fraction_operations
5,791
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
5,792
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
5,793
arithmetic
easy
What is 69 * 98?
6762
Multiply: 69 * 98 = 6762.
basic_operations
5,794
word_problems
easy
If you have 39 dollars and you buy 21 more dollars, how many dollars do you have in total?
60
Add initial 39 plus bought 21: 39+21=60.
addition_word
5,795
arithmetic
easy
What is 11267 divided by 92? Give answer to 2 decimal places.
122.47
Calculate 11267/ 92 = 122.4674, rounded to 2 decimals is 122.47.
division
5,796
algebra
easy
Solve for x: 16x - 35 = 109
9
Add 35 to both sides: 16x = 109+35=144. Then x = 144/16 = 9.
linear_equation
5,797
geometry
easy
Find the perimeter of a rectangle with length 3 and width 83.
172
Perimeter = 2*(length+width) = 2*(3+83) = 2*86 = 172.
rectangle_perim
5,798
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
5,799
arithmetic
easy
What is 5820 / 15?
388
Divide: 5820 ÷ 15 = 388 because 15*388=5820.
division
5,800
arithmetic
easy
What is 65 * 98?
6370
Multiply: 65 * 98 = 6370.
basic_operations