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
1,501
arithmetic
easy
What is 85 + 20 * 43? Remember order of operations.
945
Order of operations (PEMDAS): first 20*43=860, then 85+860=945.
basic_operations
1,502
algebra
easy
Solve for x: 6x + 48 = -54
-17
Subtract 48 from both sides: 6x = -54-48=-102. Then divide by 6: x = -102/6 = -17.
linear_equation
1,503
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
1,504
exponents
easy
What is 9^4?
6561
9^4 means multiply 9 by itself 4 times: 9*9*9*9 = 6561.
exponents
1,505
algebra
medium
Solve for x: x^2 + 13x + 42 = 0
x = -7, -6
Factor: (x - -7)(x - -6) = x^2 -(-13)x + 42 = 0. So x = -7 or -6. Check sum = -13, product = 42.
quadratic
1,506
fractions
medium
What is 1/10 - 1/16? Give as simplified fraction.
3/80
Common denominator 160. Numerator 16-10=6. So 6/160 simplifies to 3/80.
fraction_operations
1,507
statistics
easy
What is the mean (average) of 1, 78, 64, 31, 28?
40.4
Mean = sum/count. Sum = 1+78+64+31+28=202. Count=5. Mean=202/5=40.4.
mean
1,508
statistics
easy
What is the mean (average) of 53, 57, 11, 77?
49.5
Mean = sum/count. Sum = 53+57+11+77=198. Count=4. Mean=198/4=49.5.
mean
1,509
arithmetic
easy
What is 904 - 251?
653
Subtract: 904 - 251 = 653.
basic_operations
1,510
fractions
medium
What is 2/7 * 5/3? Give as simplified fraction.
10/21
Multiply numerators: 2*5=10. Denominators: 7*3=21. Simplify by gcd 1 to get 10/21.
fraction_operations
1,511
number_theory
medium
What is the GCD (greatest common divisor) of 5 and 19?
1
Find greatest number dividing both 5 and 19. Divisors common, greatest is 1.
gcd
1,512
exponents
easy
What is 7^2?
49
7^2 means multiply 7 by itself 2 times: 7*7 = 49.
exponents
1,513
arithmetic
easy
What is 112 + 427?
539
Add the two numbers: 112 + 427 = 539.
basic_operations
1,514
algebra
medium
Solve for x: x^2 - 12x + 32 = 0
x = 4, 8
Factor: (x - 4)(x - 8) = x^2 -(12)x + 32 = 0. So x = 4 or 8. Check sum = 12, product = 32.
quadratic
1,515
number_theory
medium
What is the LCM (least common multiple) of 5 and 12?
60
LCM = |5*12| / GCD(5,12). GCD=1, so LCM=60/1=60.
lcm
1,516
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
1,517
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
1,518
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
1,519
arithmetic
easy
What is 300 + 483?
783
Add the two numbers: 300 + 483 = 783.
basic_operations
1,520
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
1,521
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
1,522
fractions
medium
What is 7/3 * 4/20? Give as simplified fraction.
7/15
Multiply numerators: 7*4=28. Denominators: 3*20=60. Simplify by gcd 4 to get 7/15.
fraction_operations
1,523
arithmetic
easy
What is 91 * 37?
3367
Multiply: 91 * 37 = 3367.
basic_operations
1,524
roots
easy
What is the square root of 289?
17
Find number that when squared gives 289. 17*17=289, so sqrt(289)=17.
square_roots
1,525
number_theory
medium
What is the LCM (least common multiple) of 17 and 79?
1343
LCM = |17*79| / GCD(17,79). GCD=1, so LCM=1343/1=1343.
lcm
1,526
statistics
easy
What is the mean (average) of 24, 79, 30, 91?
56
Mean = sum/count. Sum = 24+79+30+91=224. Count=4. Mean=224/4=56.0.
mean
1,527
exponents
easy
What is 5^2?
25
5^2 means multiply 5 by itself 2 times: 5*5 = 25.
exponents
1,528
arithmetic
easy
What is 1195 / 5?
239
Divide: 1195 ÷ 5 = 239 because 5*239=1195.
division
1,529
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
1,530
arithmetic
easy
What is 28 * 2?
56
Multiply: 28 * 2 = 56.
basic_operations
1,531
exponents
easy
What is 6^2?
36
6^2 means multiply 6 by itself 2 times: 6*6 = 36.
exponents
1,532
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
1,533
arithmetic
easy
What is 703 - 117?
586
Subtract: 703 - 117 = 586.
basic_operations
1,534
arithmetic
easy
What is 853 - 180?
673
Subtract: 853 - 180 = 673.
basic_operations
1,535
statistics
easy
What is the mean (average) of 5, 83, 18, 62?
42
Mean = sum/count. Sum = 5+83+18+62=168. Count=4. Mean=168/4=42.0.
mean
1,536
algebra
easy
Solve for x: 15x + 18 = 33
1
Subtract 18 from both sides: 15x = 33-18=15. Then divide by 15: x = 15/15 = 1.
linear_equation
1,537
word_problems
easy
If you have 57 apples and you buy 48 more apples, how many apples do you have in total?
105
Add initial 57 plus bought 48: 57+48=105.
addition_word
1,538
exponents
easy
What is 11^4?
14641
11^4 means multiply 11 by itself 4 times: 11*11*11*11 = 14641.
exponents
1,539
arithmetic
easy
What is 592 - 214?
378
Subtract: 592 - 214 = 378.
basic_operations
1,540
number_theory
medium
What is the LCM (least common multiple) of 9 and 20?
180
LCM = |9*20| / GCD(9,20). GCD=1, so LCM=180/1=180.
lcm
1,541
arithmetic
easy
What is 22 * 74?
1628
Multiply: 22 * 74 = 1628.
basic_operations
1,542
algebra
medium
Solve for x: x^2 - 2x - 63 = 0
x = 9, -7
Factor: (x - 9)(x - -7) = x^2 -(2)x + -63 = 0. So x = 9 or -7. Check sum = 2, product = -63.
quadratic
1,543
exponents
easy
What is 7^2?
49
7^2 means multiply 7 by itself 2 times: 7*7 = 49.
exponents
1,544
geometry
easy
Find the circumference of a circle with radius 6. Use pi=3.14159, round to 2 decimals.
37.7
Circumference = 2*pi*r = 2*3.14159*6 = 37.7.
circle_circum
1,545
statistics
easy
What is the mean (average) of 48, 58, 39?
48.33
Mean = sum/count. Sum = 48+58+39=145. Count=3. Mean=145/3=48.33.
mean
1,546
fractions
medium
What is 17/11 - 6/5? Give as simplified fraction.
19/55
Common denominator 55. Numerator 85-66=19. So 19/55 simplifies to 19/55.
fraction_operations
1,547
arithmetic
easy
What is 797 - 207?
590
Subtract: 797 - 207 = 590.
basic_operations
1,548
statistics
easy
What is the mean (average) of 20, 25, 44, 62, 94?
49
Mean = sum/count. Sum = 20+25+44+62+94=245. Count=5. Mean=245/5=49.0.
mean
1,549
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
1,550
arithmetic
easy
What is 23596 / 68?
347
Divide: 23596 ÷ 68 = 347 because 68*347=23596.
division
1,551
arithmetic
easy
What is 15 * 1?
15
Multiply: 15 * 1 = 15.
basic_operations
1,552
arithmetic
easy
What is 704 + 869?
1573
Add the two numbers: 704 + 869 = 1573.
basic_operations
1,553
arithmetic
easy
What is 96 + 40 * 99? Remember order of operations.
4056
Order of operations (PEMDAS): first 40*99=3960, then 96+3960=4056.
basic_operations
1,554
exponents
easy
What is 12^3?
1728
12^3 means multiply 12 by itself 3 times: 12*12*12 = 1728.
exponents
1,555
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
1,556
fractions
medium
What is 10/10 - 18/12? Give as simplified fraction.
-1/2
Common denominator 120. Numerator 120-180=-60. So -60/120 simplifies to -1/2.
fraction_operations
1,557
arithmetic
easy
What is 2772 / 36?
77
Divide: 2772 ÷ 36 = 77 because 36*77=2772.
division
1,558
arithmetic
easy
What is 1473 / 3?
491
Divide: 1473 ÷ 3 = 491 because 3*491=1473.
division
1,559
number_theory
medium
What is the LCM (least common multiple) of 71 and 41?
2911
LCM = |71*41| / GCD(71,41). GCD=1, so LCM=2911/1=2911.
lcm
1,560
algebra
easy
Solve for x: 10x + 23 = -27
-5
Subtract 23 from both sides: 10x = -27-23=-50. Then divide by 10: x = -50/10 = -5.
linear_equation
1,561
algebra
medium
Solve for x: x^2 + 9x + 8 = 0
x = -8, -1
Factor: (x - -8)(x - -1) = x^2 -(-9)x + 8 = 0. So x = -8 or -1. Check sum = -9, product = 8.
quadratic
1,562
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
1,563
word_problems
easy
If you have 11 apples and you buy 9 more apples, how many apples do you have in total?
20
Add initial 11 plus bought 9: 11+9=20.
addition_word
1,564
statistics
easy
What is the mean (average) of 7, 14, 50, 7, 12?
18
Mean = sum/count. Sum = 7+14+50+7+12=90. Count=5. Mean=90/5=18.0.
mean
1,565
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
1,566
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
1,567
word_problems
easy
If you have 83 dollars and you buy 23 more dollars, how many dollars do you have in total?
106
Add initial 83 plus bought 23: 83+23=106.
addition_word
1,568
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
1,569
arithmetic
easy
What is 998 - 945?
53
Subtract: 998 - 945 = 53.
basic_operations
1,570
arithmetic
easy
What is 833 + 822 * 90? Remember order of operations.
74813
Order of operations (PEMDAS): first 822*90=73980, then 833+73980=74813.
basic_operations
1,571
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
1,572
statistics
easy
What is the mean (average) of 29, 19, 79?
42.33
Mean = sum/count. Sum = 29+19+79=127. Count=3. Mean=127/3=42.33.
mean
1,573
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
1,574
algebra
medium
Solve for x: x^2 = 0
x = 0
Factor as (x - 0)^2 = 0, so root is 0 (double root). Sum of roots = 0, product = 0.
quadratic
1,575
word_problems
easy
If you have 67 apples and you buy 2 more apples, how many apples do you have in total?
69
Add initial 67 plus bought 2: 67+2=69.
addition_word
1,576
statistics
easy
What is the mean (average) of 45, 62, 60?
55.67
Mean = sum/count. Sum = 45+62+60=167. Count=3. Mean=167/3=55.67.
mean
1,577
algebra
medium
Solve for x: x^2 - 1 = 0
x = -1, 1
Factor: (x - -1)(x - 1) = x^2 -(0)x + -1 = 0. So x = -1 or 1. Check sum = 0, product = -1.
quadratic
1,578
algebra
easy
Solve for x: 17x - 37 = 48
5
Add 37 to both sides: 17x = 48+37=85. Then x = 85/17 = 5.
linear_equation
1,579
arithmetic
easy
What is 12255 / 43?
285
Divide: 12255 ÷ 43 = 285 because 43*285=12255.
division
1,580
exponents
easy
What is 10^5?
100000
10^5 means multiply 10 by itself 5 times: 10*10*10*10*10 = 100000.
exponents
1,581
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
1,582
percentages
easy
What is 80% of 250?
200
Calculate 80/100 * 250 = 0.8*250 = 200.
percentages
1,583
algebra
medium
Solve for x: x^2 - 7x + 10 = 0
x = 5, 2
Factor: (x - 5)(x - 2) = x^2 -(7)x + 10 = 0. So x = 5 or 2. Check sum = 7, product = 10.
quadratic
1,584
arithmetic
easy
What is 56 * 56?
3136
Multiply: 56 * 56 = 3136.
basic_operations
1,585
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
1,586
percentages
easy
What is 23% of 679?
156.17
Calculate 23/100 * 679 = 0.23*679 = 156.17.
percentages
1,587
arithmetic
easy
What is 63 * 15?
945
Multiply: 63 * 15 = 945.
basic_operations
1,588
word_problems
easy
If you have 46 apples and you buy 36 more apples, how many apples do you have in total?
82
Add initial 46 plus bought 36: 46+36=82.
addition_word
1,589
word_problems
easy
If you have 27 candies and you buy 20 more candies, how many candies do you have in total?
47
Add initial 27 plus bought 20: 27+20=47.
addition_word
1,590
arithmetic
easy
What is 99 * 49?
4851
Multiply: 99 * 49 = 4851.
basic_operations
1,591
arithmetic
easy
What is 97 * 82?
7954
Multiply: 97 * 82 = 7954.
basic_operations
1,592
algebra
easy
Solve for x: 5x + 7 = 77
14
Subtract 7 from both sides: 5x = 77-7=70. Then divide by 5: x = 70/5 = 14.
linear_equation
1,593
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
1,594
fractions
medium
What is 7/12 * 10/20? Give as simplified fraction.
7/24
Multiply numerators: 7*10=70. Denominators: 12*20=240. Simplify by gcd 10 to get 7/24.
fraction_operations
1,595
exponents
easy
What is 8^4?
4096
8^4 means multiply 8 by itself 4 times: 8*8*8*8 = 4096.
exponents
1,596
arithmetic
easy
What is 52 * 17?
884
Multiply: 52 * 17 = 884.
basic_operations
1,597
arithmetic
easy
What is 379 + 923 * 71? Remember order of operations.
65912
Order of operations (PEMDAS): first 923*71=65533, then 379+65533=65912.
basic_operations
1,598
number_theory
medium
What is the GCD (greatest common divisor) of 15 and 37?
1
Find greatest number dividing both 15 and 37. Divisors common, greatest is 1.
gcd
1,599
percentages
easy
What is 56% of 720?
403.2
Calculate 56/100 * 720 = 0.56*720 = 403.2.
percentages
1,600
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