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
731,701
roots
easy
What is the square root of 361?
19
Find number that when squared gives 361. 19*19=361, so sqrt(361)=19.
square_roots
731,702
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
731,703
geometry
easy
Find the area of a circle with radius 44. Use pi=3.14159, round to 2 decimals.
6082.12
Area = pi*r^2 = 3.14159*44^2 = 3.14159*1936 = 6082.12.
circle_area
731,704
algebra
easy
Solve for x: 20x + 25 = 265
12
Subtract 25 from both sides: 20x = 265-25=240. Then divide by 20: x = 240/20 = 12.
linear_equation
731,705
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
731,706
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
731,707
calculus
medium
What is the derivative of 2x^7 with respect to x?
14x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^7] = 2*7*x^6 = 14x^6.
derivative
731,708
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
731,709
arithmetic
easy
What is 149 + 330?
479
Add the two numbers: 149 + 330 = 479.
basic_operations
731,710
number_theory
medium
What is the LCM (least common multiple) of 80 and 8?
80
LCM = |80*8| / GCD(80,8). GCD=8, so LCM=640/8=80.
lcm
731,711
roots
easy
What is the square root of 2116?
46
Find number that when squared gives 2116. 46*46=2116, so sqrt(2116)=46.
square_roots
731,712
algebra
medium
Solve for x: x^2 + 2x = 0
x = 0, -2
Factor: (x - 0)(x - -2) = x^2 -(-2)x + 0 = 0. So x = 0 or -2. Check sum = -2, product = 0.
quadratic
731,713
word_problems
easy
If you have 49 candies and you buy 33 more candies, how many candies do you have in total?
82
Add initial 49 plus bought 33: 49+33=82.
addition_word
731,714
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
731,715
calculus
medium
What is the derivative of 5x^4 with respect to x?
20x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^4] = 5*4*x^3 = 20x^3.
derivative
731,716
number_theory
medium
What is the GCD (greatest common divisor) of 60 and 52?
4
Find greatest number dividing both 60 and 52. Divisors common, greatest is 4.
gcd
731,717
statistics
easy
What is the mean (average) of 97, 70, 99, 45, 34?
69
Mean = sum/count. Sum = 97+70+99+45+34=345. Count=5. Mean=345/5=69.0.
mean
731,718
arithmetic
easy
What is 52 * 59?
3068
Multiply: 52 * 59 = 3068.
basic_operations
731,719
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
731,720
arithmetic
easy
What is 807 - 458?
349
Subtract: 807 - 458 = 349.
basic_operations
731,721
algebra
easy
Solve for x: 19x + 21 = 154
7
Subtract 21 from both sides: 19x = 154-21=133. Then divide by 19: x = 133/19 = 7.
linear_equation
731,722
word_problems
easy
If you have 80 dollars and you buy 39 more dollars, how many dollars do you have in total?
119
Add initial 80 plus bought 39: 80+39=119.
addition_word
731,723
arithmetic
easy
What is 896 - 563?
333
Subtract: 896 - 563 = 333.
basic_operations
731,724
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
731,725
percentages
easy
What is 27% of 757?
204.39
Calculate 27/100 * 757 = 0.27*757 = 204.39.
percentages
731,726
arithmetic
easy
What is 43610 / 98?
445
Divide: 43610 ÷ 98 = 445 because 98*445=43610.
division
731,727
percentages
easy
What is 82% of 506?
414.92
Calculate 82/100 * 506 = 0.82*506 = 414.92.
percentages
731,728
arithmetic
easy
What is 935 + 601?
1536
Add the two numbers: 935 + 601 = 1536.
basic_operations
731,729
number_theory
medium
What is the GCD (greatest common divisor) of 20 and 2?
2
Find greatest number dividing both 20 and 2. Divisors common, greatest is 2.
gcd
731,730
number_theory
medium
What is the GCD (greatest common divisor) of 51 and 21?
3
Find greatest number dividing both 51 and 21. Divisors common, greatest is 3.
gcd
731,731
arithmetic
easy
What is 61 * 49?
2989
Multiply: 61 * 49 = 2989.
basic_operations
731,732
arithmetic
easy
What is 88 * 100?
8800
Multiply: 88 * 100 = 8800.
basic_operations
731,733
arithmetic
easy
What is 570 + 114?
684
Add the two numbers: 570 + 114 = 684.
basic_operations
731,734
algebra
easy
Solve for x: 12x + 49 = -179
-19
Subtract 49 from both sides: 12x = -179-49=-228. Then divide by 12: x = -228/12 = -19.
linear_equation
731,735
arithmetic
easy
What is 857 - 577?
280
Subtract: 857 - 577 = 280.
basic_operations
731,736
statistics
easy
What is the mean (average) of 76, 51, 20, 63, 65?
55
Mean = sum/count. Sum = 76+51+20+63+65=275. Count=5. Mean=275/5=55.0.
mean
731,737
arithmetic
easy
What is 470 + 353 * 26? Remember order of operations.
9648
Order of operations (PEMDAS): first 353*26=9178, then 470+9178=9648.
basic_operations
731,738
number_theory
medium
What is the GCD (greatest common divisor) of 4 and 5?
1
Find greatest number dividing both 4 and 5. Divisors common, greatest is 1.
gcd
731,739
algebra
easy
Solve for x: 6x + 33 = 3
-5
Subtract 33 from both sides: 6x = 3-33=-30. Then divide by 6: x = -30/6 = -5.
linear_equation
731,740
arithmetic
easy
What is 576 / 64?
9
Divide: 576 ÷ 64 = 9 because 64*9=576.
division
731,741
percentages
easy
What is 42% of 987?
414.54
Calculate 42/100 * 987 = 0.42*987 = 414.54.
percentages
731,742
exponents
easy
What is 6^2?
36
6^2 means multiply 6 by itself 2 times: 6*6 = 36.
exponents
731,743
percentages
easy
What is 42% of 919?
385.98
Calculate 42/100 * 919 = 0.42*919 = 385.98.
percentages
731,744
arithmetic
easy
What is 754 - 387?
367
Subtract: 754 - 387 = 367.
basic_operations
731,745
statistics
easy
What is the mean (average) of 12, 8, 21, 29, 40?
22
Mean = sum/count. Sum = 12+8+21+29+40=110. Count=5. Mean=110/5=22.0.
mean
731,746
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
731,747
algebra
easy
Solve for x: 10x - 16 = -216
-20
Add 16 to both sides: 10x = -216+16=-200. Then x = -200/10 = -20.
linear_equation
731,748
algebra
easy
Solve for x: 9x + 15 = -39
-6
Subtract 15 from both sides: 9x = -39-15=-54. Then divide by 9: x = -54/9 = -6.
linear_equation
731,749
geometry
easy
Find the area of a triangle with base 44 and height 70.
1540
Area = 0.5*base*height = 0.5*44*70 = 1540.
triangle_area
731,750
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
731,751
word_problems
easy
If you have 97 books and you buy 42 more books, how many books do you have in total?
139
Add initial 97 plus bought 42: 97+42=139.
addition_word
731,752
roots
easy
What is the square root of 1089?
33
Find number that when squared gives 1089. 33*33=1089, so sqrt(1089)=33.
square_roots
731,753
exponents
easy
What is 7^2?
49
7^2 means multiply 7 by itself 2 times: 7*7 = 49.
exponents
731,754
roots
easy
What is the square root of 2116?
46
Find number that when squared gives 2116. 46*46=2116, so sqrt(2116)=46.
square_roots
731,755
arithmetic
easy
What is 51 + 52 * 81? Remember order of operations.
4263
Order of operations (PEMDAS): first 52*81=4212, then 51+4212=4263.
basic_operations
731,756
algebra
easy
Solve for x: 2x + 46 = 6
-20
Subtract 46 from both sides: 2x = 6-46=-40. Then divide by 2: x = -40/2 = -20.
linear_equation
731,757
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
731,758
algebra
easy
Solve for x: 14x - 35 = 161
14
Add 35 to both sides: 14x = 161+35=196. Then x = 196/14 = 14.
linear_equation
731,759
number_theory
medium
What is the LCM (least common multiple) of 61 and 53?
3233
LCM = |61*53| / GCD(61,53). GCD=1, so LCM=3233/1=3233.
lcm
731,760
arithmetic
easy
What is 93 * 41?
3813
Multiply: 93 * 41 = 3813.
basic_operations
731,761
roots
easy
What is the square root of 25?
5
Find number that when squared gives 25. 5*5=25, so sqrt(25)=5.
square_roots
731,762
exponents
easy
What is 9^4?
6561
9^4 means multiply 9 by itself 4 times: 9*9*9*9 = 6561.
exponents
731,763
geometry
easy
Find the perimeter of a rectangle with length 40 and width 50.
180
Perimeter = 2*(length+width) = 2*(40+50) = 2*90 = 180.
rectangle_perim
731,764
fractions
medium
What is 16/3 * 15/4? Give as simplified fraction.
20
Multiply numerators: 16*15=240. Denominators: 3*4=12. Simplify by gcd 12 to get 20.
fraction_operations
731,765
algebra
easy
Solve for x: 3x - 47 = -8
13
Add 47 to both sides: 3x = -8+47=39. Then x = 39/3 = 13.
linear_equation
731,766
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
731,767
calculus
medium
What is the derivative of 9x^4 with respect to x?
36x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^4] = 9*4*x^3 = 36x^3.
derivative
731,768
algebra
easy
Solve for x: 16x - 25 = -57
-2
Add 25 to both sides: 16x = -57+25=-32. Then x = -32/16 = -2.
linear_equation
731,769
number_theory
medium
What is the LCM (least common multiple) of 57 and 19?
57
LCM = |57*19| / GCD(57,19). GCD=19, so LCM=1083/19=57.
lcm
731,770
algebra
easy
Solve for x: 14x + 50 = -20
-5
Subtract 50 from both sides: 14x = -20-50=-70. Then divide by 14: x = -70/14 = -5.
linear_equation
731,771
algebra
easy
Solve for x: 5x + 24 = 104
16
Subtract 24 from both sides: 5x = 104-24=80. Then divide by 5: x = 80/5 = 16.
linear_equation
731,772
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
731,773
percentages
easy
What is 92% of 275?
253
Calculate 92/100 * 275 = 0.92*275 = 253.
percentages
731,774
statistics
easy
What is the mean (average) of 50, 82, 94, 27, 43?
59.2
Mean = sum/count. Sum = 50+82+94+27+43=296. Count=5. Mean=296/5=59.2.
mean
731,775
arithmetic
easy
What is 865 + 333 * 12? Remember order of operations.
4861
Order of operations (PEMDAS): first 333*12=3996, then 865+3996=4861.
basic_operations
731,776
algebra
medium
Solve for x: x^2 + 2x - 48 = 0
x = -8, 6
Factor: (x - -8)(x - 6) = x^2 -(-2)x + -48 = 0. So x = -8 or 6. Check sum = -2, product = -48.
quadratic
731,777
algebra
medium
Solve for x: x^2 - 2x + 1 = 0
x = 1
Factor as (x - 1)^2 = 0, so root is 1 (double root). Sum of roots = 2, product = 1.
quadratic
731,778
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
731,779
calculus
medium
What is the derivative of 5x^2 with respect to x?
10x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^2] = 5*2*x^1 = 10x.
derivative
731,780
arithmetic
easy
What is 730 - 328?
402
Subtract: 730 - 328 = 402.
basic_operations
731,781
exponents
easy
What is 4^2?
16
4^2 means multiply 4 by itself 2 times: 4*4 = 16.
exponents
731,782
word_problems
easy
If you have 23 apples and you buy 36 more apples, how many apples do you have in total?
59
Add initial 23 plus bought 36: 23+36=59.
addition_word
731,783
arithmetic
easy
What is 885 - 22?
863
Subtract: 885 - 22 = 863.
basic_operations
731,784
arithmetic
easy
What is 914 + 842?
1756
Add the two numbers: 914 + 842 = 1756.
basic_operations
731,785
statistics
easy
What is the mean (average) of 45, 60, 26, 11, 76?
43.6
Mean = sum/count. Sum = 45+60+26+11+76=218. Count=5. Mean=218/5=43.6.
mean
731,786
arithmetic
easy
What is 280 + 503?
783
Add the two numbers: 280 + 503 = 783.
basic_operations
731,787
arithmetic
easy
What is 24 + 80 * 58? Remember order of operations.
4664
Order of operations (PEMDAS): first 80*58=4640, then 24+4640=4664.
basic_operations
731,788
arithmetic
easy
What is 392 + 390 * 86? Remember order of operations.
33932
Order of operations (PEMDAS): first 390*86=33540, then 392+33540=33932.
basic_operations
731,789
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
731,790
arithmetic
easy
What is 729 - 338?
391
Subtract: 729 - 338 = 391.
basic_operations
731,791
percentages
easy
What is 99% of 95?
94.05
Calculate 99/100 * 95 = 0.99*95 = 94.05.
percentages
731,792
algebra
easy
Solve for x: 14x + 40 = 68
2
Subtract 40 from both sides: 14x = 68-40=28. Then divide by 14: x = 28/14 = 2.
linear_equation
731,793
fractions
medium
What is 13/20 - 16/13? Give as simplified fraction.
-151/260
Common denominator 260. Numerator 169-320=-151. So -151/260 simplifies to -151/260.
fraction_operations
731,794
arithmetic
easy
What is 35910 / 90?
399
Divide: 35910 ÷ 90 = 399 because 90*399=35910.
division
731,795
algebra
easy
Solve for x: 14x + 2 = 156
11
Subtract 2 from both sides: 14x = 156-2=154. Then divide by 14: x = 154/14 = 11.
linear_equation
731,796
arithmetic
easy
What is 82 * 22?
1804
Multiply: 82 * 22 = 1804.
basic_operations
731,797
algebra
medium
Solve for x: x^2 - 1x - 56 = 0
x = 8, -7
Factor: (x - 8)(x - -7) = x^2 -(1)x + -56 = 0. So x = 8 or -7. Check sum = 1, product = -56.
quadratic
731,798
algebra
medium
Solve for x: x^2 + 5x - 36 = 0
x = 4, -9
Factor: (x - 4)(x - -9) = x^2 -(-5)x + -36 = 0. So x = 4 or -9. Check sum = -5, product = -36.
quadratic
731,799
word_problems
easy
If you have 49 dollars and you buy 22 more dollars, how many dollars do you have in total?
71
Add initial 49 plus bought 22: 49+22=71.
addition_word
731,800
arithmetic
easy
What is 557 - 181?
376
Subtract: 557 - 181 = 376.
basic_operations