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
601
arithmetic
easy
What is 555 + 62 * 9? Remember order of operations.
1113
Order of operations (PEMDAS): first 62*9=558, then 555+558=1113.
basic_operations
602
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
603
algebra
easy
Solve for x: 14x - 3 = 53
4
Add 3 to both sides: 14x = 53+3=56. Then x = 56/14 = 4.
linear_equation
604
word_problems
easy
If you have 53 apples and you buy 25 more apples, how many apples do you have in total?
78
Add initial 53 plus bought 25: 53+25=78.
addition_word
605
algebra
easy
Solve for x: 12x - 35 = -143
-9
Add 35 to both sides: 12x = -143+35=-108. Then x = -108/12 = -9.
linear_equation
606
calculus
medium
What is the derivative of 3x^6 with respect to x?
18x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^6] = 3*6*x^5 = 18x^5.
derivative
607
percentages
easy
What is 1% of 775?
7.75
Calculate 1/100 * 775 = 0.01*775 = 7.75.
percentages
608
arithmetic
easy
What is 70 * 55?
3850
Multiply: 70 * 55 = 3850.
basic_operations
609
percentages
easy
What is 32% of 472?
151.04
Calculate 32/100 * 472 = 0.32*472 = 151.04.
percentages
610
number_theory
medium
What is the GCD (greatest common divisor) of 20 and 36?
4
Find greatest number dividing both 20 and 36. Divisors common, greatest is 4.
gcd
611
arithmetic
easy
What is 2490 / 6?
415
Divide: 2490 ÷ 6 = 415 because 6*415=2490.
division
612
percentages
easy
What is 27% of 69?
18.63
Calculate 27/100 * 69 = 0.27*69 = 18.63.
percentages
613
arithmetic
easy
What is 1404 / 78?
18
Divide: 1404 ÷ 78 = 18 because 78*18=1404.
division
614
percentages
easy
What is 95% of 46?
43.7
Calculate 95/100 * 46 = 0.95*46 = 43.7.
percentages
615
calculus
medium
What is the derivative of 4x^5 with respect to x?
20x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^5] = 4*5*x^4 = 20x^4.
derivative
616
fractions
medium
What is 2/6 + 17/11? Give as simplified fraction.
62/33
Common denominator 6*11=66. 2/6=22/66, 17/11=102/66. Sum = 124/66 = 62/33 simplified.
fraction_operations
617
roots
easy
What is the square root of 1369?
37
Find number that when squared gives 1369. 37*37=1369, so sqrt(1369)=37.
square_roots
618
roots
easy
What is the square root of 256?
16
Find number that when squared gives 256. 16*16=256, so sqrt(256)=16.
square_roots
619
exponents
easy
What is 4^3?
64
4^3 means multiply 4 by itself 3 times: 4*4*4 = 64.
exponents
620
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
621
geometry
easy
Find the area of a rectangle with length 72 and width 76.
5472
Area = length * width = 72*76 = 5472.
rectangle_area
622
algebra
medium
Solve for x: x^2 - 13x + 30 = 0
x = 10, 3
Factor: (x - 10)(x - 3) = x^2 -(13)x + 30 = 0. So x = 10 or 3. Check sum = 13, product = 30.
quadratic
623
statistics
easy
What is the mean (average) of 45, 83, 86?
71.33
Mean = sum/count. Sum = 45+83+86=214. Count=3. Mean=214/3=71.33.
mean
624
calculus
medium
What is the derivative of 9x^8 with respect to x?
72x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^8] = 9*8*x^7 = 72x^7.
derivative
625
roots
easy
What is the square root of 2025?
45
Find number that when squared gives 2025. 45*45=2025, so sqrt(2025)=45.
square_roots
626
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
627
algebra
easy
Solve for x: 10x - 2 = -92
-9
Add 2 to both sides: 10x = -92+2=-90. Then x = -90/10 = -9.
linear_equation
628
statistics
easy
What is the mean (average) of 29, 39, 91?
53
Mean = sum/count. Sum = 29+39+91=159. Count=3. Mean=159/3=53.0.
mean
629
algebra
easy
Solve for x: 15x - 43 = 182
15
Add 43 to both sides: 15x = 182+43=225. Then x = 225/15 = 15.
linear_equation
630
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
631
algebra
easy
Solve for x: 13x - 19 = -71
-4
Add 19 to both sides: 13x = -71+19=-52. Then x = -52/13 = -4.
linear_equation
632
fractions
medium
What is 11/4 + 15/13? Give as simplified fraction.
203/52
Common denominator 4*13=52. 11/4=143/52, 15/13=60/52. Sum = 203/52 = 203/52 simplified.
fraction_operations
633
fractions
medium
What is 2/10 + 13/3? Give as simplified fraction.
68/15
Common denominator 10*3=30. 2/10=6/30, 13/3=130/30. Sum = 136/30 = 68/15 simplified.
fraction_operations
634
fractions
medium
What is 19/19 + 7/17? Give as simplified fraction.
24/17
Common denominator 19*17=323. 19/19=323/323, 7/17=133/323. Sum = 456/323 = 24/17 simplified.
fraction_operations
635
roots
easy
What is the square root of 400?
20
Find number that when squared gives 400. 20*20=400, so sqrt(400)=20.
square_roots
636
arithmetic
easy
What is 16 * 96?
1536
Multiply: 16 * 96 = 1536.
basic_operations
637
statistics
easy
What is the mean (average) of 90, 78, 91?
86.33
Mean = sum/count. Sum = 90+78+91=259. Count=3. Mean=259/3=86.33.
mean
638
fractions
medium
What is 13/9 - 18/12? Give as simplified fraction.
-1/18
Common denominator 108. Numerator 156-162=-6. So -6/108 simplifies to -1/18.
fraction_operations
639
calculus
medium
What is the derivative of 9x^5 with respect to x?
45x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^5] = 9*5*x^4 = 45x^4.
derivative
640
number_theory
medium
What is the LCM (least common multiple) of 40 and 34?
680
LCM = |40*34| / GCD(40,34). GCD=2, so LCM=1360/2=680.
lcm
641
statistics
easy
What is the mean (average) of 13, 93, 61, 98?
66.25
Mean = sum/count. Sum = 13+93+61+98=265. Count=4. Mean=265/4=66.25.
mean
642
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
643
number_theory
medium
What is the GCD (greatest common divisor) of 41 and 53?
1
Find greatest number dividing both 41 and 53. Divisors common, greatest is 1.
gcd
644
percentages
easy
What is 95% of 150?
142.5
Calculate 95/100 * 150 = 0.95*150 = 142.5.
percentages
645
arithmetic
easy
What is 93 + 54 * 75? Remember order of operations.
4143
Order of operations (PEMDAS): first 54*75=4050, then 93+4050=4143.
basic_operations
646
fractions
medium
What is 11/9 + 13/20? Give as simplified fraction.
337/180
Common denominator 9*20=180. 11/9=220/180, 13/20=117/180. Sum = 337/180 = 337/180 simplified.
fraction_operations
647
statistics
easy
What is the mean (average) of 84, 88, 44, 33, 98?
69.4
Mean = sum/count. Sum = 84+88+44+33+98=347. Count=5. Mean=347/5=69.4.
mean
648
statistics
easy
What is the mean (average) of 83, 95, 63, 59, 22?
64.4
Mean = sum/count. Sum = 83+95+63+59+22=322. Count=5. Mean=322/5=64.4.
mean
649
number_theory
medium
What is the LCM (least common multiple) of 22 and 18?
198
LCM = |22*18| / GCD(22,18). GCD=2, so LCM=396/2=198.
lcm
650
algebra
medium
Solve for x: x^2 - 17x + 70 = 0
x = 7, 10
Factor: (x - 7)(x - 10) = x^2 -(17)x + 70 = 0. So x = 7 or 10. Check sum = 17, product = 70.
quadratic
651
arithmetic
easy
What is 7 + 98 * 10? Remember order of operations.
987
Order of operations (PEMDAS): first 98*10=980, then 7+980=987.
basic_operations
652
algebra
easy
Solve for x: 8x - 42 = -130
-11
Add 42 to both sides: 8x = -130+42=-88. Then x = -88/8 = -11.
linear_equation
653
arithmetic
easy
What is 518 + 224 * 59? Remember order of operations.
13734
Order of operations (PEMDAS): first 224*59=13216, then 518+13216=13734.
basic_operations
654
statistics
easy
What is the mean (average) of 63, 3, 1, 69, 71?
41.4
Mean = sum/count. Sum = 63+3+1+69+71=207. Count=5. Mean=207/5=41.4.
mean
655
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
656
arithmetic
easy
What is 37 * 3?
111
Multiply: 37 * 3 = 111.
basic_operations
657
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
658
algebra
medium
Solve for x: x^2 + 14x + 49 = 0
x = -7
Factor as (x - -7)^2 = 0, so root is -7 (double root). Sum of roots = -14, product = 49.
quadratic
659
algebra
easy
Solve for x: 8x - 26 = 126
19
Add 26 to both sides: 8x = 126+26=152. Then x = 152/8 = 19.
linear_equation
660
geometry
easy
Find the area of a circle with radius 18. Use pi=3.14159, round to 2 decimals.
1017.88
Area = pi*r^2 = 3.14159*18^2 = 3.14159*324 = 1017.88.
circle_area
661
calculus
medium
What is the derivative of 6x^2 with respect to x?
12x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [6x^2] = 6*2*x^1 = 12x.
derivative
662
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
663
percentages
easy
What is 90% of 232?
208.8
Calculate 90/100 * 232 = 0.9*232 = 208.8.
percentages
664
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
665
arithmetic
easy
What is 416 - 96?
320
Subtract: 416 - 96 = 320.
basic_operations
666
arithmetic
easy
What is 653 + 10 * 90? Remember order of operations.
1553
Order of operations (PEMDAS): first 10*90=900, then 653+900=1553.
basic_operations
667
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
668
roots
easy
What is the square root of 1369?
37
Find number that when squared gives 1369. 37*37=1369, so sqrt(1369)=37.
square_roots
669
arithmetic
easy
What is 32499 / 69?
471
Divide: 32499 ÷ 69 = 471 because 69*471=32499.
division
670
fractions
medium
What is 19/17 + 9/3? Give as simplified fraction.
70/17
Common denominator 17*3=51. 19/17=57/51, 9/3=153/51. Sum = 210/51 = 70/17 simplified.
fraction_operations
671
geometry
easy
Find the area of a triangle with base 73 and height 85.
3102.5
Area = 0.5*base*height = 0.5*73*85 = 3102.5.
triangle_area
672
arithmetic
easy
What is 184 + 952?
1136
Add the two numbers: 184 + 952 = 1136.
basic_operations
673
algebra
easy
Solve for x: 13x - 41 = -54
-1
Add 41 to both sides: 13x = -54+41=-13. Then x = -13/13 = -1.
linear_equation
674
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
675
calculus
medium
What is the derivative of 9x^7 with respect to x?
63x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^7] = 9*7*x^6 = 63x^6.
derivative
676
roots
easy
What is the square root of 625?
25
Find number that when squared gives 625. 25*25=625, so sqrt(625)=25.
square_roots
677
algebra
easy
Solve for x: 3x + 14 = 20
2
Subtract 14 from both sides: 3x = 20-14=6. Then divide by 3: x = 6/3 = 2.
linear_equation
678
arithmetic
easy
What is 101 + 448?
549
Add the two numbers: 101 + 448 = 549.
basic_operations
679
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
680
arithmetic
easy
What is 650 + 280 * 58? Remember order of operations.
16890
Order of operations (PEMDAS): first 280*58=16240, then 650+16240=16890.
basic_operations
681
calculus
medium
What is the derivative of 3x^5 with respect to x?
15x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^5] = 3*5*x^4 = 15x^4.
derivative
682
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
683
exponents
easy
What is 5^2?
25
5^2 means multiply 5 by itself 2 times: 5*5 = 25.
exponents
684
arithmetic
easy
What is 82 * 20?
1640
Multiply: 82 * 20 = 1640.
basic_operations
685
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
686
arithmetic
easy
What is 44 divided by 13? Give answer to 2 decimal places.
3.38
Calculate 44/ 13 = 3.3846, rounded to 2 decimals is 3.38.
division
687
number_theory
medium
What is the GCD (greatest common divisor) of 98 and 35?
7
Find greatest number dividing both 98 and 35. Divisors common, greatest is 7.
gcd
688
algebra
easy
Solve for x: 3x - 27 = -6
7
Add 27 to both sides: 3x = -6+27=21. Then x = 21/3 = 7.
linear_equation
689
word_problems
easy
If you have 76 pencils and you buy 36 more pencils, how many pencils do you have in total?
112
Add initial 76 plus bought 36: 76+36=112.
addition_word
690
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
691
arithmetic
easy
What is 92 + 363?
455
Add the two numbers: 92 + 363 = 455.
basic_operations
692
roots
easy
What is the square root of 625?
25
Find number that when squared gives 625. 25*25=625, so sqrt(625)=25.
square_roots
693
arithmetic
easy
What is 299 + 424?
723
Add the two numbers: 299 + 424 = 723.
basic_operations
694
percentages
easy
What is 74% of 534?
395.16
Calculate 74/100 * 534 = 0.74*534 = 395.16.
percentages
695
algebra
medium
Solve for x: x^2 + 3x - 10 = 0
x = 2, -5
Factor: (x - 2)(x - -5) = x^2 -(-3)x + -10 = 0. So x = 2 or -5. Check sum = -3, product = -10.
quadratic
696
algebra
easy
Solve for x: 9x - 12 = -39
-3
Add 12 to both sides: 9x = -39+12=-27. Then x = -27/9 = -3.
linear_equation
697
statistics
easy
What is the mean (average) of 9, 22, 56?
29
Mean = sum/count. Sum = 9+22+56=87. Count=3. Mean=87/3=29.0.
mean
698
geometry
easy
Find the circumference of a circle with radius 20. Use pi=3.14159, round to 2 decimals.
125.66
Circumference = 2*pi*r = 2*3.14159*20 = 125.66.
circle_circum
699
statistics
easy
What is the mean (average) of 47, 33, 32?
37.33
Mean = sum/count. Sum = 47+33+32=112. Count=3. Mean=112/3=37.33.
mean
700
statistics
easy
What is the mean (average) of 79, 26, 59, 14, 18?
39.2
Mean = sum/count. Sum = 79+26+59+14+18=196. Count=5. Mean=196/5=39.2.
mean