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
5,601
algebra
medium
Solve for x: x^2 - 13x + 36 = 0
x = 4, 9
Factor: (x - 4)(x - 9) = x^2 -(13)x + 36 = 0. So x = 4 or 9. Check sum = 13, product = 36.
quadratic
5,602
arithmetic
easy
What is 98 * 95?
9310
Multiply: 98 * 95 = 9310.
basic_operations
5,603
arithmetic
easy
What is 976 - 416?
560
Subtract: 976 - 416 = 560.
basic_operations
5,604
arithmetic
easy
What is 48 + 75 * 81? Remember order of operations.
6123
Order of operations (PEMDAS): first 75*81=6075, then 48+6075=6123.
basic_operations
5,605
arithmetic
easy
What is 35445 / 85?
417
Divide: 35445 ÷ 85 = 417 because 85*417=35445.
division
5,606
arithmetic
easy
What is 57 + 53 * 60? Remember order of operations.
3237
Order of operations (PEMDAS): first 53*60=3180, then 57+3180=3237.
basic_operations
5,607
arithmetic
easy
What is 23397 divided by 47? Give answer to 2 decimal places.
497.81
Calculate 23397/ 47 = 497.8085, rounded to 2 decimals is 497.81.
division
5,608
percentages
easy
What is 70% of 710?
497
Calculate 70/100 * 710 = 0.7*710 = 497.
percentages
5,609
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
5,610
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
5,611
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
5,612
calculus
medium
What is the derivative of 7x^6 with respect to x?
42x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^6] = 7*6*x^5 = 42x^5.
derivative
5,613
algebra
medium
Solve for x: x^2 - 10x + 9 = 0
x = 9, 1
Factor: (x - 9)(x - 1) = x^2 -(10)x + 9 = 0. So x = 9 or 1. Check sum = 10, product = 9.
quadratic
5,614
arithmetic
easy
What is 3154 / 19?
166
Divide: 3154 ÷ 19 = 166 because 19*166=3154.
division
5,615
exponents
easy
What is 11^3?
1331
11^3 means multiply 11 by itself 3 times: 11*11*11 = 1331.
exponents
5,616
roots
easy
What is the square root of 441?
21
Find number that when squared gives 441. 21*21=441, so sqrt(441)=21.
square_roots
5,617
percentages
easy
What is 78% of 280?
218.4
Calculate 78/100 * 280 = 0.78*280 = 218.4.
percentages
5,618
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
5,619
arithmetic
easy
What is 783 - 456?
327
Subtract: 783 - 456 = 327.
basic_operations
5,620
arithmetic
easy
What is 456 + 275 * 81? Remember order of operations.
22731
Order of operations (PEMDAS): first 275*81=22275, then 456+22275=22731.
basic_operations
5,621
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
5,622
exponents
easy
What is 3^5?
243
3^5 means multiply 3 by itself 5 times: 3*3*3*3*3 = 243.
exponents
5,623
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
5,624
arithmetic
easy
What is 801 - 567?
234
Subtract: 801 - 567 = 234.
basic_operations
5,625
statistics
easy
What is the mean (average) of 72, 46, 88, 80?
71.5
Mean = sum/count. Sum = 72+46+88+80=286. Count=4. Mean=286/4=71.5.
mean
5,626
exponents
easy
What is 8^4?
4096
8^4 means multiply 8 by itself 4 times: 8*8*8*8 = 4096.
exponents
5,627
arithmetic
easy
What is 65 + 39 * 25? Remember order of operations.
1040
Order of operations (PEMDAS): first 39*25=975, then 65+975=1040.
basic_operations
5,628
word_problems
easy
If you have 36 candies and you buy 19 more candies, how many candies do you have in total?
55
Add initial 36 plus bought 19: 36+19=55.
addition_word
5,629
roots
easy
What is the square root of 196?
14
Find number that when squared gives 196. 14*14=196, so sqrt(196)=14.
square_roots
5,630
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
5,631
arithmetic
easy
What is 7500 / 50?
150
Divide: 7500 ÷ 50 = 150 because 50*150=7500.
division
5,632
geometry
easy
Find the area of a circle with radius 21. Use pi=3.14159, round to 2 decimals.
1385.44
Area = pi*r^2 = 3.14159*21^2 = 3.14159*441 = 1385.44.
circle_area
5,633
arithmetic
easy
What is 82 * 66?
5412
Multiply: 82 * 66 = 5412.
basic_operations
5,634
arithmetic
easy
What is 335 + 989?
1324
Add the two numbers: 335 + 989 = 1324.
basic_operations
5,635
arithmetic
easy
What is 409 + 168 * 18? Remember order of operations.
3433
Order of operations (PEMDAS): first 168*18=3024, then 409+3024=3433.
basic_operations
5,636
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
5,637
arithmetic
easy
What is 19 + 861 * 70? Remember order of operations.
60289
Order of operations (PEMDAS): first 861*70=60270, then 19+60270=60289.
basic_operations
5,638
geometry
easy
Find the area of a circle with radius 34. Use pi=3.14159, round to 2 decimals.
3631.68
Area = pi*r^2 = 3.14159*34^2 = 3.14159*1156 = 3631.68.
circle_area
5,639
arithmetic
easy
What is 11400 / 100?
114
Divide: 11400 ÷ 100 = 114 because 100*114=11400.
division
5,640
arithmetic
easy
What is 70 + 71 * 40? Remember order of operations.
2910
Order of operations (PEMDAS): first 71*40=2840, then 70+2840=2910.
basic_operations
5,641
statistics
easy
What is the mean (average) of 96, 14, 71, 45?
56.5
Mean = sum/count. Sum = 96+14+71+45=226. Count=4. Mean=226/4=56.5.
mean
5,642
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
5,643
percentages
easy
What is 2% of 153?
3.06
Calculate 2/100 * 153 = 0.02*153 = 3.06.
percentages
5,644
word_problems
easy
If you have 52 apples and you buy 1 more apples, how many apples do you have in total?
53
Add initial 52 plus bought 1: 52+1=53.
addition_word
5,645
arithmetic
easy
What is 218 - 48?
170
Subtract: 218 - 48 = 170.
basic_operations
5,646
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
5,647
number_theory
medium
What is the GCD (greatest common divisor) of 83 and 27?
1
Find greatest number dividing both 83 and 27. Divisors common, greatest is 1.
gcd
5,648
number_theory
medium
What is the GCD (greatest common divisor) of 50 and 38?
2
Find greatest number dividing both 50 and 38. Divisors common, greatest is 2.
gcd
5,649
geometry
easy
Find the area of a triangle with base 25 and height 57.
712.5
Area = 0.5*base*height = 0.5*25*57 = 712.5.
triangle_area
5,650
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
5,651
arithmetic
easy
What is 3 + 84 * 62? Remember order of operations.
5211
Order of operations (PEMDAS): first 84*62=5208, then 3+5208=5211.
basic_operations
5,652
statistics
easy
What is the mean (average) of 54, 83, 5?
47.33
Mean = sum/count. Sum = 54+83+5=142. Count=3. Mean=142/3=47.33.
mean
5,653
arithmetic
easy
What is 116 + 647?
763
Add the two numbers: 116 + 647 = 763.
basic_operations
5,654
arithmetic
easy
What is 952 / 8?
119
Divide: 952 ÷ 8 = 119 because 8*119=952.
division
5,655
exponents
easy
What is 6^3?
216
6^3 means multiply 6 by itself 3 times: 6*6*6 = 216.
exponents
5,656
arithmetic
easy
What is 44 * 55?
2420
Multiply: 44 * 55 = 2420.
basic_operations
5,657
calculus
medium
What is the derivative of 6x^8 with respect to x?
48x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^8] = 6*8*x^7 = 48x^7.
derivative
5,658
algebra
medium
Solve for x: x^2 + 10x + 9 = 0
x = -1, -9
Factor: (x - -1)(x - -9) = x^2 -(-10)x + 9 = 0. So x = -1 or -9. Check sum = -10, product = 9.
quadratic
5,659
calculus
medium
What is the derivative of 3x^3 with respect to x?
9x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^3] = 3*3*x^2 = 9x^2.
derivative
5,660
arithmetic
easy
What is 20104 divided by 43? Give answer to 2 decimal places.
467.53
Calculate 20104/ 43 = 467.5349, rounded to 2 decimals is 467.53.
division
5,661
statistics
easy
What is the mean (average) of 41, 55, 99?
65
Mean = sum/count. Sum = 41+55+99=195. Count=3. Mean=195/3=65.0.
mean
5,662
algebra
medium
Solve for x: x^2 + 10x + 25 = 0
x = -5
Factor as (x - -5)^2 = 0, so root is -5 (double root). Sum of roots = -10, product = 25.
quadratic
5,663
arithmetic
easy
What is 395 / 79?
5
Divide: 395 ÷ 79 = 5 because 79*5=395.
division
5,664
fractions
medium
What is 10/16 - 1/10? Give as simplified fraction.
21/40
Common denominator 160. Numerator 100-16=84. So 84/160 simplifies to 21/40.
fraction_operations
5,665
exponents
easy
What is 9^5?
59049
9^5 means multiply 9 by itself 5 times: 9*9*9*9*9 = 59049.
exponents
5,666
exponents
easy
What is 10^4?
10000
10^4 means multiply 10 by itself 4 times: 10*10*10*10 = 10000.
exponents
5,667
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
5,668
percentages
easy
What is 77% of 448?
344.96
Calculate 77/100 * 448 = 0.77*448 = 344.96.
percentages
5,669
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
5,670
arithmetic
easy
What is 8494 / 31?
274
Divide: 8494 ÷ 31 = 274 because 31*274=8494.
division
5,671
arithmetic
easy
What is 501 + 851 * 11? Remember order of operations.
9862
Order of operations (PEMDAS): first 851*11=9361, then 501+9361=9862.
basic_operations
5,672
number_theory
medium
What is the GCD (greatest common divisor) of 28 and 14?
14
Find greatest number dividing both 28 and 14. Divisors common, greatest is 14.
gcd
5,673
arithmetic
easy
What is 759 + 4 * 32? Remember order of operations.
887
Order of operations (PEMDAS): first 4*32=128, then 759+128=887.
basic_operations
5,674
algebra
medium
Solve for x: x^2 + 16x + 64 = 0
x = -8
Factor as (x - -8)^2 = 0, so root is -8 (double root). Sum of roots = -16, product = 64.
quadratic
5,675
statistics
easy
What is the mean (average) of 100, 82, 19?
67
Mean = sum/count. Sum = 100+82+19=201. Count=3. Mean=201/3=67.0.
mean
5,676
word_problems
easy
If you have 68 candies and you buy 11 more candies, how many candies do you have in total?
79
Add initial 68 plus bought 11: 68+11=79.
addition_word
5,677
geometry
easy
Find the area of a triangle with base 83 and height 70.
2905
Area = 0.5*base*height = 0.5*83*70 = 2905.
triangle_area
5,678
percentages
easy
What is 80% of 355?
284
Calculate 80/100 * 355 = 0.8*355 = 284.
percentages
5,679
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
5,680
roots
easy
What is the square root of 1296?
36
Find number that when squared gives 1296. 36*36=1296, so sqrt(1296)=36.
square_roots
5,681
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
5,682
algebra
medium
Solve for x: x^2 - 7x - 8 = 0
x = 8, -1
Factor: (x - 8)(x - -1) = x^2 -(7)x + -8 = 0. So x = 8 or -1. Check sum = 7, product = -8.
quadratic
5,683
algebra
medium
Solve for x: x^2 + 5x - 6 = 0
x = 1, -6
Factor: (x - 1)(x - -6) = x^2 -(-5)x + -6 = 0. So x = 1 or -6. Check sum = -5, product = -6.
quadratic
5,684
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
5,685
calculus
medium
What is the derivative of 9x^2 with respect to x?
18x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^2] = 9*2*x^1 = 18x.
derivative
5,686
roots
easy
What is the square root of 1024?
32
Find number that when squared gives 1024. 32*32=1024, so sqrt(1024)=32.
square_roots
5,687
number_theory
medium
What is the LCM (least common multiple) of 79 and 11?
869
LCM = |79*11| / GCD(79,11). GCD=1, so LCM=869/1=869.
lcm
5,688
arithmetic
easy
What is 82 * 7?
574
Multiply: 82 * 7 = 574.
basic_operations
5,689
arithmetic
easy
What is 459 + 265 * 59? Remember order of operations.
16094
Order of operations (PEMDAS): first 265*59=15635, then 459+15635=16094.
basic_operations
5,690
percentages
easy
What is 98% of 375?
367.5
Calculate 98/100 * 375 = 0.98*375 = 367.5.
percentages
5,691
fractions
medium
What is 12/6 * 10/16? Give as simplified fraction.
5/4
Multiply numerators: 12*10=120. Denominators: 6*16=96. Simplify by gcd 24 to get 5/4.
fraction_operations
5,692
exponents
easy
What is 3^5?
243
3^5 means multiply 3 by itself 5 times: 3*3*3*3*3 = 243.
exponents
5,693
arithmetic
easy
What is 14026 divided by 47? Give answer to 2 decimal places.
298.43
Calculate 14026/ 47 = 298.4255, rounded to 2 decimals is 298.43.
division
5,694
fractions
medium
What is 9/11 + 20/8? Give as simplified fraction.
73/22
Common denominator 11*8=88. 9/11=72/88, 20/8=220/88. Sum = 292/88 = 73/22 simplified.
fraction_operations
5,695
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
5,696
statistics
easy
What is the mean (average) of 69, 4, 29, 25, 16?
28.6
Mean = sum/count. Sum = 69+4+29+25+16=143. Count=5. Mean=143/5=28.6.
mean
5,697
fractions
medium
What is 14/4 + 3/8? Give as simplified fraction.
31/8
Common denominator 4*8=32. 14/4=112/32, 3/8=12/32. Sum = 124/32 = 31/8 simplified.
fraction_operations
5,698
algebra
medium
Solve for x: x^2 + 6x - 27 = 0
x = 3, -9
Factor: (x - 3)(x - -9) = x^2 -(-6)x + -27 = 0. So x = 3 or -9. Check sum = -6, product = -27.
quadratic
5,699
statistics
easy
What is the mean (average) of 69, 23, 72, 9, 46?
43.8
Mean = sum/count. Sum = 69+23+72+9+46=219. Count=5. Mean=219/5=43.8.
mean
5,700
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