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
3,501
statistics
easy
What is the mean (average) of 73, 2, 75, 56?
51.5
Mean = sum/count. Sum = 73+2+75+56=206. Count=4. Mean=206/4=51.5.
mean
3,502
arithmetic
easy
What is 42676 / 94?
454
Divide: 42676 ÷ 94 = 454 because 94*454=42676.
division
3,503
word_problems
easy
If you have 5 candies and you buy 17 more candies, how many candies do you have in total?
22
Add initial 5 plus bought 17: 5+17=22.
addition_word
3,504
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
3,505
algebra
medium
Solve for x: x^2 - 6x = 0
x = 0, 6
Factor: (x - 0)(x - 6) = x^2 -(6)x + 0 = 0. So x = 0 or 6. Check sum = 6, product = 0.
quadratic
3,506
statistics
easy
What is the mean (average) of 37, 83, 39, 34, 69?
52.4
Mean = sum/count. Sum = 37+83+39+34+69=262. Count=5. Mean=262/5=52.4.
mean
3,507
percentages
easy
What is 44% of 282?
124.08
Calculate 44/100 * 282 = 0.44*282 = 124.08.
percentages
3,508
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
3,509
arithmetic
easy
What is 47554 divided by 98? Give answer to 2 decimal places.
485.24
Calculate 47554/ 98 = 485.2449, rounded to 2 decimals is 485.24.
division
3,510
arithmetic
easy
What is 915 - 327?
588
Subtract: 915 - 327 = 588.
basic_operations
3,511
algebra
medium
Solve for x: x^2 + 5x - 24 = 0
x = -8, 3
Factor: (x - -8)(x - 3) = x^2 -(-5)x + -24 = 0. So x = -8 or 3. Check sum = -5, product = -24.
quadratic
3,512
exponents
easy
What is 3^5?
243
3^5 means multiply 3 by itself 5 times: 3*3*3*3*3 = 243.
exponents
3,513
roots
easy
What is the square root of 1681?
41
Find number that when squared gives 1681. 41*41=1681, so sqrt(1681)=41.
square_roots
3,514
algebra
medium
Solve for x: x^2 + 11x + 28 = 0
x = -4, -7
Factor: (x - -4)(x - -7) = x^2 -(-11)x + 28 = 0. So x = -4 or -7. Check sum = -11, product = 28.
quadratic
3,515
percentages
easy
What is 28% of 315?
88.2
Calculate 28/100 * 315 = 0.28*315 = 88.2.
percentages
3,516
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
3,517
arithmetic
easy
What is 13706 / 89?
154
Divide: 13706 ÷ 89 = 154 because 89*154=13706.
division
3,518
algebra
easy
Solve for x: 11x - 30 = -118
-8
Add 30 to both sides: 11x = -118+30=-88. Then x = -88/11 = -8.
linear_equation
3,519
calculus
medium
What is the derivative of 3x^8 with respect to x?
24x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^8] = 3*8*x^7 = 24x^7.
derivative
3,520
algebra
medium
Solve for x: x^2 - 4x - 45 = 0
x = 9, -5
Factor: (x - 9)(x - -5) = x^2 -(4)x + -45 = 0. So x = 9 or -5. Check sum = 4, product = -45.
quadratic
3,521
roots
easy
What is the square root of 1156?
34
Find number that when squared gives 1156. 34*34=1156, so sqrt(1156)=34.
square_roots
3,522
statistics
easy
What is the mean (average) of 77, 54, 100, 93, 35?
71.8
Mean = sum/count. Sum = 77+54+100+93+35=359. Count=5. Mean=359/5=71.8.
mean
3,523
percentages
easy
What is 34% of 484?
164.56
Calculate 34/100 * 484 = 0.34*484 = 164.56.
percentages
3,524
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
3,525
exponents
easy
What is 7^4?
2401
7^4 means multiply 7 by itself 4 times: 7*7*7*7 = 2401.
exponents
3,526
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
3,527
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
3,528
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
3,529
calculus
medium
What is the derivative of 7x^2 with respect to x?
14x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^2] = 7*2*x^1 = 14x.
derivative
3,530
number_theory
medium
What is the LCM (least common multiple) of 83 and 18?
1494
LCM = |83*18| / GCD(83,18). GCD=1, so LCM=1494/1=1494.
lcm
3,531
geometry
easy
Find the area of a rectangle with length 91 and width 26.
2366
Area = length * width = 91*26 = 2366.
rectangle_area
3,532
fractions
medium
What is 9/11 - 12/2? Give as simplified fraction.
-57/11
Common denominator 22. Numerator 18-132=-114. So -114/22 simplifies to -57/11.
fraction_operations
3,533
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
3,534
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
3,535
fractions
medium
What is 7/18 + 15/10? Give as simplified fraction.
17/9
Common denominator 18*10=180. 7/18=70/180, 15/10=270/180. Sum = 340/180 = 17/9 simplified.
fraction_operations
3,536
arithmetic
easy
What is 62 * 93?
5766
Multiply: 62 * 93 = 5766.
basic_operations
3,537
arithmetic
easy
What is 91 + 63 * 50? Remember order of operations.
3241
Order of operations (PEMDAS): first 63*50=3150, then 91+3150=3241.
basic_operations
3,538
calculus
medium
What is the derivative of 2x^2 with respect to x?
4x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^2] = 2*2*x^1 = 4x.
derivative
3,539
arithmetic
easy
What is 48 * 57?
2736
Multiply: 48 * 57 = 2736.
basic_operations
3,540
arithmetic
easy
What is 4278 / 62?
69
Divide: 4278 ÷ 62 = 69 because 62*69=4278.
division
3,541
roots
easy
What is the square root of 2500?
50
Find number that when squared gives 2500. 50*50=2500, so sqrt(2500)=50.
square_roots
3,542
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
3,543
algebra
easy
Solve for x: 5x + 25 = 20
-1
Subtract 25 from both sides: 5x = 20-25=-5. Then divide by 5: x = -5/5 = -1.
linear_equation
3,544
fractions
medium
What is 18/4 - 15/9? Give as simplified fraction.
17/6
Common denominator 36. Numerator 162-60=102. So 102/36 simplifies to 17/6.
fraction_operations
3,545
geometry
easy
Find the area of a triangle with base 68 and height 38.
1292
Area = 0.5*base*height = 0.5*68*38 = 1292.
triangle_area
3,546
arithmetic
easy
What is 144 + 791?
935
Add the two numbers: 144 + 791 = 935.
basic_operations
3,547
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
3,548
word_problems
easy
If you have 100 books and you buy 14 more books, how many books do you have in total?
114
Add initial 100 plus bought 14: 100+14=114.
addition_word
3,549
roots
easy
What is the square root of 900?
30
Find number that when squared gives 900. 30*30=900, so sqrt(900)=30.
square_roots
3,550
percentages
easy
What is 59% of 371?
218.89
Calculate 59/100 * 371 = 0.59*371 = 218.89.
percentages
3,551
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
3,552
geometry
easy
Find the area of a circle with radius 39. Use pi=3.14159, round to 2 decimals.
4778.36
Area = pi*r^2 = 3.14159*39^2 = 3.14159*1521 = 4778.36.
circle_area
3,553
arithmetic
easy
What is 144 - 123?
21
Subtract: 144 - 123 = 21.
basic_operations
3,554
statistics
easy
What is the mean (average) of 68, 8, 66?
47.33
Mean = sum/count. Sum = 68+8+66=142. Count=3. Mean=142/3=47.33.
mean
3,555
number_theory
medium
What is the LCM (least common multiple) of 3 and 73?
219
LCM = |3*73| / GCD(3,73). GCD=1, so LCM=219/1=219.
lcm
3,556
arithmetic
easy
What is 63 * 37?
2331
Multiply: 63 * 37 = 2331.
basic_operations
3,557
arithmetic
easy
What is 753 + 78?
831
Add the two numbers: 753 + 78 = 831.
basic_operations
3,558
arithmetic
easy
What is 5740 / 70?
82
Divide: 5740 ÷ 70 = 82 because 70*82=5740.
division
3,559
word_problems
easy
If you have 83 books and you buy 42 more books, how many books do you have in total?
125
Add initial 83 plus bought 42: 83+42=125.
addition_word
3,560
arithmetic
easy
What is 786 - 701?
85
Subtract: 786 - 701 = 85.
basic_operations
3,561
algebra
easy
Solve for x: 11x - 41 = -140
-9
Add 41 to both sides: 11x = -140+41=-99. Then x = -99/11 = -9.
linear_equation
3,562
roots
easy
What is the square root of 900?
30
Find number that when squared gives 900. 30*30=900, so sqrt(900)=30.
square_roots
3,563
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
3,564
calculus
medium
What is the derivative of 5x^6 with respect to x?
30x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^6] = 5*6*x^5 = 30x^5.
derivative
3,565
arithmetic
easy
What is 639 + 849 * 50? Remember order of operations.
43089
Order of operations (PEMDAS): first 849*50=42450, then 639+42450=43089.
basic_operations
3,566
roots
easy
What is the square root of 784?
28
Find number that when squared gives 784. 28*28=784, so sqrt(784)=28.
square_roots
3,567
algebra
easy
Solve for x: 9x - 22 = 131
17
Add 22 to both sides: 9x = 131+22=153. Then x = 153/9 = 17.
linear_equation
3,568
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
3,569
word_problems
easy
If you have 88 books and you buy 43 more books, how many books do you have in total?
131
Add initial 88 plus bought 43: 88+43=131.
addition_word
3,570
number_theory
medium
What is the GCD (greatest common divisor) of 92 and 74?
2
Find greatest number dividing both 92 and 74. Divisors common, greatest is 2.
gcd
3,571
fractions
medium
What is 5/8 + 10/7? Give as simplified fraction.
115/56
Common denominator 8*7=56. 5/8=35/56, 10/7=80/56. Sum = 115/56 = 115/56 simplified.
fraction_operations
3,572
arithmetic
easy
What is 547 + 617?
1164
Add the two numbers: 547 + 617 = 1164.
basic_operations
3,573
arithmetic
easy
What is 336 + 892?
1228
Add the two numbers: 336 + 892 = 1228.
basic_operations
3,574
fractions
medium
What is 10/7 + 14/10? Give as simplified fraction.
99/35
Common denominator 7*10=70. 10/7=100/70, 14/10=98/70. Sum = 198/70 = 99/35 simplified.
fraction_operations
3,575
fractions
medium
What is 12/2 + 5/16? Give as simplified fraction.
101/16
Common denominator 2*16=32. 12/2=192/32, 5/16=10/32. Sum = 202/32 = 101/16 simplified.
fraction_operations
3,576
calculus
medium
What is the derivative of 8x^2 with respect to x?
16x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^2] = 8*2*x^1 = 16x.
derivative
3,577
fractions
medium
What is 13/3 - 15/16? Give as simplified fraction.
163/48
Common denominator 48. Numerator 208-45=163. So 163/48 simplifies to 163/48.
fraction_operations
3,578
fractions
medium
What is 7/14 + 19/5? Give as simplified fraction.
43/10
Common denominator 14*5=70. 7/14=35/70, 19/5=266/70. Sum = 301/70 = 43/10 simplified.
fraction_operations
3,579
algebra
medium
Solve for x: x^2 - 14x + 48 = 0
x = 6, 8
Factor: (x - 6)(x - 8) = x^2 -(14)x + 48 = 0. So x = 6 or 8. Check sum = 14, product = 48.
quadratic
3,580
arithmetic
easy
What is 8536 / 22?
388
Divide: 8536 ÷ 22 = 388 because 22*388=8536.
division
3,581
statistics
easy
What is the mean (average) of 78, 46, 96, 41, 54?
63
Mean = sum/count. Sum = 78+46+96+41+54=315. Count=5. Mean=315/5=63.0.
mean
3,582
fractions
medium
What is 7/4 - 17/13? Give as simplified fraction.
23/52
Common denominator 52. Numerator 91-68=23. So 23/52 simplifies to 23/52.
fraction_operations
3,583
geometry
easy
Find the area of a triangle with base 15 and height 59.
442.5
Area = 0.5*base*height = 0.5*15*59 = 442.5.
triangle_area
3,584
arithmetic
easy
What is 390 - 8?
382
Subtract: 390 - 8 = 382.
basic_operations
3,585
arithmetic
easy
What is 8695 / 47?
185
Divide: 8695 ÷ 47 = 185 because 47*185=8695.
division
3,586
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
3,587
exponents
easy
What is 5^2?
25
5^2 means multiply 5 by itself 2 times: 5*5 = 25.
exponents
3,588
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
3,589
geometry
easy
Find the area of a circle with radius 3. Use pi=3.14159, round to 2 decimals.
28.27
Area = pi*r^2 = 3.14159*3^2 = 3.14159*9 = 28.27.
circle_area
3,590
algebra
easy
Solve for x: 8x - 28 = 100
16
Add 28 to both sides: 8x = 100+28=128. Then x = 128/8 = 16.
linear_equation
3,591
arithmetic
easy
What is 132 + 532?
664
Add the two numbers: 132 + 532 = 664.
basic_operations
3,592
arithmetic
easy
What is 85 * 38?
3230
Multiply: 85 * 38 = 3230.
basic_operations
3,593
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
3,594
algebra
medium
Solve for x: x^2 + 2x - 15 = 0
x = 3, -5
Factor: (x - 3)(x - -5) = x^2 -(-2)x + -15 = 0. So x = 3 or -5. Check sum = -2, product = -15.
quadratic
3,595
algebra
medium
Solve for x: x^2 - 36 = 0
x = 6, -6
Factor: (x - 6)(x - -6) = x^2 -(0)x + -36 = 0. So x = 6 or -6. Check sum = 0, product = -36.
quadratic
3,596
algebra
medium
Solve for x: x^2 + 6x - 7 = 0
x = 1, -7
Factor: (x - 1)(x - -7) = x^2 -(-6)x + -7 = 0. So x = 1 or -7. Check sum = -6, product = -7.
quadratic
3,597
algebra
medium
Solve for x: x^2 + 5x - 50 = 0
x = -10, 5
Factor: (x - -10)(x - 5) = x^2 -(-5)x + -50 = 0. So x = -10 or 5. Check sum = -5, product = -50.
quadratic
3,598
fractions
medium
What is 10/14 * 12/10? Give as simplified fraction.
6/7
Multiply numerators: 10*12=120. Denominators: 14*10=140. Simplify by gcd 20 to get 6/7.
fraction_operations
3,599
roots
easy
What is the square root of 4?
2
Find number that when squared gives 4. 2*2=4, so sqrt(4)=2.
square_roots
3,600
arithmetic
easy
What is 340 + 30?
370
Add the two numbers: 340 + 30 = 370.
basic_operations