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
2,701
roots
easy
What is the square root of 1521?
39
Find number that when squared gives 1521. 39*39=1521, so sqrt(1521)=39.
square_roots
2,702
algebra
medium
Solve for x: x^2 + 3x - 18 = 0
x = 3, -6
Factor: (x - 3)(x - -6) = x^2 -(-3)x + -18 = 0. So x = 3 or -6. Check sum = -3, product = -18.
quadratic
2,703
exponents
easy
What is 11^4?
14641
11^4 means multiply 11 by itself 4 times: 11*11*11*11 = 14641.
exponents
2,704
number_theory
medium
What is the LCM (least common multiple) of 14 and 35?
70
LCM = |14*35| / GCD(14,35). GCD=7, so LCM=490/7=70.
lcm
2,705
number_theory
medium
What is the GCD (greatest common divisor) of 34 and 92?
2
Find greatest number dividing both 34 and 92. Divisors common, greatest is 2.
gcd
2,706
arithmetic
easy
What is 19 + 41 * 20? Remember order of operations.
839
Order of operations (PEMDAS): first 41*20=820, then 19+820=839.
basic_operations
2,707
word_problems
easy
If you have 97 apples and you buy 31 more apples, how many apples do you have in total?
128
Add initial 97 plus bought 31: 97+31=128.
addition_word
2,708
arithmetic
easy
What is 16425 / 75?
219
Divide: 16425 ÷ 75 = 219 because 75*219=16425.
division
2,709
arithmetic
easy
What is 331 - 131?
200
Subtract: 331 - 131 = 200.
basic_operations
2,710
statistics
easy
What is the mean (average) of 62, 89, 53, 78?
70.5
Mean = sum/count. Sum = 62+89+53+78=282. Count=4. Mean=282/4=70.5.
mean
2,711
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
2,712
percentages
easy
What is 50% of 429?
214.5
Calculate 50/100 * 429 = 0.5*429 = 214.5.
percentages
2,713
statistics
easy
What is the mean (average) of 69, 64, 69, 69, 30?
60.2
Mean = sum/count. Sum = 69+64+69+69+30=301. Count=5. Mean=301/5=60.2.
mean
2,714
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
2,715
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
2,716
percentages
easy
What is 90% of 90?
81
Calculate 90/100 * 90 = 0.9*90 = 81.
percentages
2,717
percentages
easy
What is 47% of 3?
1.41
Calculate 47/100 * 3 = 0.47*3 = 1.41.
percentages
2,718
fractions
medium
What is 1/13 + 18/17? Give as simplified fraction.
251/221
Common denominator 13*17=221. 1/13=17/221, 18/17=234/221. Sum = 251/221 = 251/221 simplified.
fraction_operations
2,719
arithmetic
easy
What is 4203 / 9?
467
Divide: 4203 ÷ 9 = 467 because 9*467=4203.
division
2,720
algebra
easy
Solve for x: 10x + 8 = -102
-11
Subtract 8 from both sides: 10x = -102-8=-110. Then divide by 10: x = -110/10 = -11.
linear_equation
2,721
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
2,722
fractions
medium
What is 8/3 * 5/5? Give as simplified fraction.
8/3
Multiply numerators: 8*5=40. Denominators: 3*5=15. Simplify by gcd 5 to get 8/3.
fraction_operations
2,723
algebra
easy
Solve for x: 13x + 43 = -204
-19
Subtract 43 from both sides: 13x = -204-43=-247. Then divide by 13: x = -247/13 = -19.
linear_equation
2,724
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
2,725
arithmetic
easy
What is 10 * 62?
620
Multiply: 10 * 62 = 620.
basic_operations
2,726
algebra
medium
Solve for x: x^2 + 16x + 60 = 0
x = -10, -6
Factor: (x - -10)(x - -6) = x^2 -(-16)x + 60 = 0. So x = -10 or -6. Check sum = -16, product = 60.
quadratic
2,727
number_theory
medium
What is the GCD (greatest common divisor) of 19 and 11?
1
Find greatest number dividing both 19 and 11. Divisors common, greatest is 1.
gcd
2,728
arithmetic
easy
What is 13 + 583?
596
Add the two numbers: 13 + 583 = 596.
basic_operations
2,729
statistics
easy
What is the mean (average) of 18, 96, 68, 90, 39?
62.2
Mean = sum/count. Sum = 18+96+68+90+39=311. Count=5. Mean=311/5=62.2.
mean
2,730
statistics
easy
What is the mean (average) of 93, 44, 57, 83?
69.25
Mean = sum/count. Sum = 93+44+57+83=277. Count=4. Mean=277/4=69.25.
mean
2,731
arithmetic
easy
What is 294 + 114?
408
Add the two numbers: 294 + 114 = 408.
basic_operations
2,732
arithmetic
easy
What is 21 * 2?
42
Multiply: 21 * 2 = 42.
basic_operations
2,733
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
2,734
word_problems
easy
If you have 75 dollars and you buy 46 more dollars, how many dollars do you have in total?
121
Add initial 75 plus bought 46: 75+46=121.
addition_word
2,735
exponents
easy
What is 5^5?
3125
5^5 means multiply 5 by itself 5 times: 5*5*5*5*5 = 3125.
exponents
2,736
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
2,737
calculus
medium
What is the derivative of 4x^3 with respect to x?
12x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^3] = 4*3*x^2 = 12x^2.
derivative
2,738
calculus
medium
What is the derivative of 1x^6 with respect to x?
6x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^6] = 1*6*x^5 = 6x^5.
derivative
2,739
percentages
easy
What is 51% of 189?
96.39
Calculate 51/100 * 189 = 0.51*189 = 96.39.
percentages
2,740
arithmetic
easy
What is 837 - 710?
127
Subtract: 837 - 710 = 127.
basic_operations
2,741
calculus
medium
What is the derivative of 7x^8 with respect to x?
56x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^8] = 7*8*x^7 = 56x^7.
derivative
2,742
algebra
medium
Solve for x: x^2 + 8x - 9 = 0
x = -9, 1
Factor: (x - -9)(x - 1) = x^2 -(-8)x + -9 = 0. So x = -9 or 1. Check sum = -8, product = -9.
quadratic
2,743
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
2,744
geometry
easy
Find the area of a rectangle with length 14 and width 10.
140
Area = length * width = 14*10 = 140.
rectangle_area
2,745
number_theory
medium
What is the LCM (least common multiple) of 78 and 100?
3900
LCM = |78*100| / GCD(78,100). GCD=2, so LCM=7800/2=3900.
lcm
2,746
arithmetic
easy
What is 14 + 9 * 21? Remember order of operations.
203
Order of operations (PEMDAS): first 9*21=189, then 14+189=203.
basic_operations
2,747
arithmetic
easy
What is 775 + 932?
1707
Add the two numbers: 775 + 932 = 1707.
basic_operations
2,748
arithmetic
easy
What is 73 * 6?
438
Multiply: 73 * 6 = 438.
basic_operations
2,749
statistics
easy
What is the mean (average) of 7, 41, 12?
20
Mean = sum/count. Sum = 7+41+12=60. Count=3. Mean=60/3=20.0.
mean
2,750
exponents
easy
What is 2^4?
16
2^4 means multiply 2 by itself 4 times: 2*2*2*2 = 16.
exponents
2,751
exponents
easy
What is 8^3?
512
8^3 means multiply 8 by itself 3 times: 8*8*8 = 512.
exponents
2,752
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
2,753
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
2,754
algebra
easy
Solve for x: 4x - 8 = 16
6
Add 8 to both sides: 4x = 16+8=24. Then x = 24/4 = 6.
linear_equation
2,755
arithmetic
easy
What is 27324 / 66?
414
Divide: 27324 ÷ 66 = 414 because 66*414=27324.
division
2,756
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
2,757
arithmetic
easy
What is 60 * 11?
660
Multiply: 60 * 11 = 660.
basic_operations
2,758
arithmetic
easy
What is 976 + 736?
1712
Add the two numbers: 976 + 736 = 1712.
basic_operations
2,759
algebra
easy
Solve for x: 6x + 14 = 92
13
Subtract 14 from both sides: 6x = 92-14=78. Then divide by 6: x = 78/6 = 13.
linear_equation
2,760
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
2,761
algebra
easy
Solve for x: 11x - 13 = 20
3
Add 13 to both sides: 11x = 20+13=33. Then x = 33/11 = 3.
linear_equation
2,762
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
2,763
calculus
medium
What is the derivative of 4x^3 with respect to x?
12x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^3] = 4*3*x^2 = 12x^2.
derivative
2,764
arithmetic
easy
What is 64 * 13?
832
Multiply: 64 * 13 = 832.
basic_operations
2,765
algebra
easy
Solve for x: 10x + 20 = -130
-15
Subtract 20 from both sides: 10x = -130-20=-150. Then divide by 10: x = -150/10 = -15.
linear_equation
2,766
statistics
easy
What is the mean (average) of 59, 41, 22?
40.67
Mean = sum/count. Sum = 59+41+22=122. Count=3. Mean=122/3=40.67.
mean
2,767
exponents
easy
What is 4^2?
16
4^2 means multiply 4 by itself 2 times: 4*4 = 16.
exponents
2,768
geometry
easy
Find the area of a triangle with base 47 and height 46.
1081
Area = 0.5*base*height = 0.5*47*46 = 1081.
triangle_area
2,769
arithmetic
easy
What is 184 + 73 * 91? Remember order of operations.
6827
Order of operations (PEMDAS): first 73*91=6643, then 184+6643=6827.
basic_operations
2,770
statistics
easy
What is the mean (average) of 98, 57, 84, 18?
64.25
Mean = sum/count. Sum = 98+57+84+18=257. Count=4. Mean=257/4=64.25.
mean
2,771
arithmetic
easy
What is 18500 / 74?
250
Divide: 18500 ÷ 74 = 250 because 74*250=18500.
division
2,772
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
2,773
algebra
easy
Solve for x: 15x - 4 = 176
12
Add 4 to both sides: 15x = 176+4=180. Then x = 180/15 = 12.
linear_equation
2,774
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
2,775
arithmetic
easy
What is 699 + 424 * 65? Remember order of operations.
28259
Order of operations (PEMDAS): first 424*65=27560, then 699+27560=28259.
basic_operations
2,776
arithmetic
easy
What is 32 * 90?
2880
Multiply: 32 * 90 = 2880.
basic_operations
2,777
arithmetic
easy
What is 874 - 159?
715
Subtract: 874 - 159 = 715.
basic_operations
2,778
calculus
medium
What is the derivative of 2x^8 with respect to x?
16x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^8] = 2*8*x^7 = 16x^7.
derivative
2,779
percentages
easy
What is 50% of 896?
448
Calculate 50/100 * 896 = 0.5*896 = 448.
percentages
2,780
word_problems
easy
If you have 90 dollars and you buy 6 more dollars, how many dollars do you have in total?
96
Add initial 90 plus bought 6: 90+6=96.
addition_word
2,781
word_problems
easy
If you have 64 pencils and you buy 42 more pencils, how many pencils do you have in total?
106
Add initial 64 plus bought 42: 64+42=106.
addition_word
2,782
word_problems
easy
If you have 18 books and you buy 6 more books, how many books do you have in total?
24
Add initial 18 plus bought 6: 18+6=24.
addition_word
2,783
arithmetic
easy
What is 20488 / 52?
394
Divide: 20488 ÷ 52 = 394 because 52*394=20488.
division
2,784
calculus
medium
What is the derivative of 2x^4 with respect to x?
8x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^4] = 2*4*x^3 = 8x^3.
derivative
2,785
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
2,786
statistics
easy
What is the mean (average) of 90, 95, 61?
82
Mean = sum/count. Sum = 90+95+61=246. Count=3. Mean=246/3=82.0.
mean
2,787
arithmetic
easy
What is 8621 / 37?
233
Divide: 8621 ÷ 37 = 233 because 37*233=8621.
division
2,788
statistics
easy
What is the mean (average) of 82, 28, 41?
50.33
Mean = sum/count. Sum = 82+28+41=151. Count=3. Mean=151/3=50.33.
mean
2,789
arithmetic
easy
What is 616 + 793?
1409
Add the two numbers: 616 + 793 = 1409.
basic_operations
2,790
number_theory
medium
What is the GCD (greatest common divisor) of 56 and 61?
1
Find greatest number dividing both 56 and 61. Divisors common, greatest is 1.
gcd
2,791
arithmetic
easy
What is 55 + 35 * 3? Remember order of operations.
160
Order of operations (PEMDAS): first 35*3=105, then 55+105=160.
basic_operations
2,792
algebra
medium
Solve for x: x^2 + 14x + 48 = 0
x = -8, -6
Factor: (x - -8)(x - -6) = x^2 -(-14)x + 48 = 0. So x = -8 or -6. Check sum = -14, product = 48.
quadratic
2,793
arithmetic
easy
What is 415 - 281?
134
Subtract: 415 - 281 = 134.
basic_operations
2,794
word_problems
easy
If you have 58 books and you buy 34 more books, how many books do you have in total?
92
Add initial 58 plus bought 34: 58+34=92.
addition_word
2,795
geometry
easy
Find the perimeter of a rectangle with length 7 and width 12.
38
Perimeter = 2*(length+width) = 2*(7+12) = 2*19 = 38.
rectangle_perim
2,796
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
2,797
exponents
easy
What is 4^3?
64
4^3 means multiply 4 by itself 3 times: 4*4*4 = 64.
exponents
2,798
number_theory
medium
What is the LCM (least common multiple) of 54 and 62?
1674
LCM = |54*62| / GCD(54,62). GCD=2, so LCM=3348/2=1674.
lcm
2,799
algebra
medium
Solve for x: x^2 - 4x + 3 = 0
x = 3, 1
Factor: (x - 3)(x - 1) = x^2 -(4)x + 3 = 0. So x = 3 or 1. Check sum = 4, product = 3.
quadratic
2,800
calculus
medium
What is the derivative of 1x^8 with respect to x?
8x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^8] = 1*8*x^7 = 8x^7.
derivative