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
729,801
fractions
medium
What is 2/7 - 18/10? Give as simplified fraction.
-53/35
Common denominator 70. Numerator 20-126=-106. So -106/70 simplifies to -53/35.
fraction_operations
729,802
number_theory
medium
What is the LCM (least common multiple) of 84 and 96?
672
LCM = |84*96| / GCD(84,96). GCD=12, so LCM=8064/12=672.
lcm
729,803
percentages
easy
What is 37% of 478?
176.86
Calculate 37/100 * 478 = 0.37*478 = 176.86.
percentages
729,804
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
729,805
arithmetic
easy
What is 332 + 321 * 37? Remember order of operations.
12209
Order of operations (PEMDAS): first 321*37=11877, then 332+11877=12209.
basic_operations
729,806
arithmetic
easy
What is 55 + 73 * 9? Remember order of operations.
712
Order of operations (PEMDAS): first 73*9=657, then 55+657=712.
basic_operations
729,807
algebra
medium
Solve for x: x^2 - 6x - 40 = 0
x = 10, -4
Factor: (x - 10)(x - -4) = x^2 -(6)x + -40 = 0. So x = 10 or -4. Check sum = 6, product = -40.
quadratic
729,808
geometry
easy
Find the area of a triangle with base 49 and height 23.
563.5
Area = 0.5*base*height = 0.5*49*23 = 563.5.
triangle_area
729,809
word_problems
easy
If you have 56 candies and you buy 26 more candies, how many candies do you have in total?
82
Add initial 56 plus bought 26: 56+26=82.
addition_word
729,810
calculus
medium
What is the derivative of 10x^4 with respect to x?
40x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^4] = 10*4*x^3 = 40x^3.
derivative
729,811
arithmetic
easy
What is 31872 / 96?
332
Divide: 31872 ÷ 96 = 332 because 96*332=31872.
division
729,812
number_theory
medium
What is the GCD (greatest common divisor) of 40 and 42?
2
Find greatest number dividing both 40 and 42. Divisors common, greatest is 2.
gcd
729,813
arithmetic
easy
What is 63 * 80?
5040
Multiply: 63 * 80 = 5040.
basic_operations
729,814
fractions
medium
What is 6/15 + 12/14? Give as simplified fraction.
44/35
Common denominator 15*14=210. 6/15=84/210, 12/14=180/210. Sum = 264/210 = 44/35 simplified.
fraction_operations
729,815
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
729,816
statistics
easy
What is the mean (average) of 41, 19, 43, 41?
36
Mean = sum/count. Sum = 41+19+43+41=144. Count=4. Mean=144/4=36.0.
mean
729,817
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
729,818
algebra
easy
Solve for x: 4x - 39 = -55
-4
Add 39 to both sides: 4x = -55+39=-16. Then x = -16/4 = -4.
linear_equation
729,819
arithmetic
easy
What is 47 + 43 * 49? Remember order of operations.
2154
Order of operations (PEMDAS): first 43*49=2107, then 47+2107=2154.
basic_operations
729,820
arithmetic
easy
What is 914 + 49?
963
Add the two numbers: 914 + 49 = 963.
basic_operations
729,821
fractions
medium
What is 19/14 * 12/7? Give as simplified fraction.
114/49
Multiply numerators: 19*12=228. Denominators: 14*7=98. Simplify by gcd 2 to get 114/49.
fraction_operations
729,822
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
729,823
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
729,824
geometry
easy
Find the perimeter of a rectangle with length 6 and width 62.
136
Perimeter = 2*(length+width) = 2*(6+62) = 2*68 = 136.
rectangle_perim
729,825
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
729,826
percentages
easy
What is 24% of 267?
64.08
Calculate 24/100 * 267 = 0.24*267 = 64.08.
percentages
729,827
algebra
easy
Solve for x: 8x - 26 = -90
-8
Add 26 to both sides: 8x = -90+26=-64. Then x = -64/8 = -8.
linear_equation
729,828
roots
easy
What is the square root of 484?
22
Find number that when squared gives 484. 22*22=484, so sqrt(484)=22.
square_roots
729,829
number_theory
medium
What is the GCD (greatest common divisor) of 68 and 48?
4
Find greatest number dividing both 68 and 48. Divisors common, greatest is 4.
gcd
729,830
arithmetic
easy
What is 603 - 174?
429
Subtract: 603 - 174 = 429.
basic_operations
729,831
number_theory
medium
What is the GCD (greatest common divisor) of 72 and 37?
1
Find greatest number dividing both 72 and 37. Divisors common, greatest is 1.
gcd
729,832
geometry
easy
Find the circumference of a circle with radius 1. Use pi=3.14159, round to 2 decimals.
6.28
Circumference = 2*pi*r = 2*3.14159*1 = 6.28.
circle_circum
729,833
fractions
medium
What is 8/6 - 6/10? Give as simplified fraction.
11/15
Common denominator 60. Numerator 80-36=44. So 44/60 simplifies to 11/15.
fraction_operations
729,834
statistics
easy
What is the mean (average) of 25, 21, 57, 40, 9?
30.4
Mean = sum/count. Sum = 25+21+57+40+9=152. Count=5. Mean=152/5=30.4.
mean
729,835
arithmetic
easy
What is 352 + 900?
1252
Add the two numbers: 352 + 900 = 1252.
basic_operations
729,836
percentages
easy
What is 78% of 986?
769.08
Calculate 78/100 * 986 = 0.78*986 = 769.08.
percentages
729,837
fractions
medium
What is 8/8 + 3/13? Give as simplified fraction.
16/13
Common denominator 8*13=104. 8/8=104/104, 3/13=24/104. Sum = 128/104 = 16/13 simplified.
fraction_operations
729,838
arithmetic
easy
What is 394 + 431?
825
Add the two numbers: 394 + 431 = 825.
basic_operations
729,839
statistics
easy
What is the mean (average) of 74, 41, 15?
43.33
Mean = sum/count. Sum = 74+41+15=130. Count=3. Mean=130/3=43.33.
mean
729,840
fractions
medium
What is 20/6 * 13/13? Give as simplified fraction.
10/3
Multiply numerators: 20*13=260. Denominators: 6*13=78. Simplify by gcd 26 to get 10/3.
fraction_operations
729,841
geometry
easy
Find the perimeter of a rectangle with length 19 and width 9.
56
Perimeter = 2*(length+width) = 2*(19+9) = 2*28 = 56.
rectangle_perim
729,842
calculus
medium
What is the derivative of 1x^7 with respect to x?
7x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^7] = 1*7*x^6 = 7x^6.
derivative
729,843
roots
easy
What is the square root of 1?
1
Find number that when squared gives 1. 1*1=1, so sqrt(1)=1.
square_roots
729,844
geometry
easy
Find the area of a circle with radius 5. Use pi=3.14159, round to 2 decimals.
78.54
Area = pi*r^2 = 3.14159*5^2 = 3.14159*25 = 78.54.
circle_area
729,845
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
729,846
geometry
easy
Find the perimeter of a rectangle with length 7 and width 4.
22
Perimeter = 2*(length+width) = 2*(7+4) = 2*11 = 22.
rectangle_perim
729,847
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
729,848
statistics
easy
What is the mean (average) of 46, 48, 61, 55, 86?
59.2
Mean = sum/count. Sum = 46+48+61+55+86=296. Count=5. Mean=296/5=59.2.
mean
729,849
word_problems
easy
If you have 27 dollars and you buy 27 more dollars, how many dollars do you have in total?
54
Add initial 27 plus bought 27: 27+27=54.
addition_word
729,850
fractions
medium
What is 8/19 - 2/10? Give as simplified fraction.
21/95
Common denominator 190. Numerator 80-38=42. So 42/190 simplifies to 21/95.
fraction_operations
729,851
arithmetic
easy
What is 802 + 450 * 61? Remember order of operations.
28252
Order of operations (PEMDAS): first 450*61=27450, then 802+27450=28252.
basic_operations
729,852
roots
easy
What is the square root of 64?
8
Find number that when squared gives 64. 8*8=64, so sqrt(64)=8.
square_roots
729,853
statistics
easy
What is the mean (average) of 5, 29, 77, 94?
51.25
Mean = sum/count. Sum = 5+29+77+94=205. Count=4. Mean=205/4=51.25.
mean
729,854
exponents
easy
What is 9^2?
81
9^2 means multiply 9 by itself 2 times: 9*9 = 81.
exponents
729,855
arithmetic
easy
What is 658 + 237 * 55? Remember order of operations.
13693
Order of operations (PEMDAS): first 237*55=13035, then 658+13035=13693.
basic_operations
729,856
algebra
medium
Solve for x: x^2 - 6x - 40 = 0
x = 10, -4
Factor: (x - 10)(x - -4) = x^2 -(6)x + -40 = 0. So x = 10 or -4. Check sum = 6, product = -40.
quadratic
729,857
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
729,858
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
729,859
statistics
easy
What is the mean (average) of 66, 79, 35, 77, 46?
60.6
Mean = sum/count. Sum = 66+79+35+77+46=303. Count=5. Mean=303/5=60.6.
mean
729,860
arithmetic
easy
What is 14141 / 79?
179
Divide: 14141 ÷ 79 = 179 because 79*179=14141.
division
729,861
arithmetic
easy
What is 325 - 86?
239
Subtract: 325 - 86 = 239.
basic_operations
729,862
statistics
easy
What is the mean (average) of 48, 21, 23, 95?
46.75
Mean = sum/count. Sum = 48+21+23+95=187. Count=4. Mean=187/4=46.75.
mean
729,863
exponents
easy
What is 7^3?
343
7^3 means multiply 7 by itself 3 times: 7*7*7 = 343.
exponents
729,864
word_problems
easy
If you have 81 dollars and you buy 43 more dollars, how many dollars do you have in total?
124
Add initial 81 plus bought 43: 81+43=124.
addition_word
729,865
algebra
easy
Solve for x: 1x + 20 = 3
-17
Subtract 20 from both sides: 1x = 3-20=-17. Then divide by 1: x = -17/1 = -17.
linear_equation
729,866
algebra
easy
Solve for x: 11x + 41 = 140
9
Subtract 41 from both sides: 11x = 140-41=99. Then divide by 11: x = 99/11 = 9.
linear_equation
729,867
algebra
medium
Solve for x: x^2 + 7x - 8 = 0
x = 1, -8
Factor: (x - 1)(x - -8) = x^2 -(-7)x + -8 = 0. So x = 1 or -8. Check sum = -7, product = -8.
quadratic
729,868
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
729,869
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
729,870
roots
easy
What is the square root of 16?
4
Find number that when squared gives 16. 4*4=16, so sqrt(16)=4.
square_roots
729,871
arithmetic
easy
What is 565 - 415?
150
Subtract: 565 - 415 = 150.
basic_operations
729,872
roots
easy
What is the square root of 484?
22
Find number that when squared gives 484. 22*22=484, so sqrt(484)=22.
square_roots
729,873
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
729,874
number_theory
medium
What is the LCM (least common multiple) of 61 and 58?
3538
LCM = |61*58| / GCD(61,58). GCD=1, so LCM=3538/1=3538.
lcm
729,875
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
729,876
geometry
easy
Find the area of a circle with radius 47. Use pi=3.14159, round to 2 decimals.
6939.78
Area = pi*r^2 = 3.14159*47^2 = 3.14159*2209 = 6939.78.
circle_area
729,877
arithmetic
easy
What is 39 + 533?
572
Add the two numbers: 39 + 533 = 572.
basic_operations
729,878
arithmetic
easy
What is 23128 / 49?
472
Divide: 23128 ÷ 49 = 472 because 49*472=23128.
division
729,879
arithmetic
easy
What is 68 * 50?
3400
Multiply: 68 * 50 = 3400.
basic_operations
729,880
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
729,881
arithmetic
easy
What is 274 - 28?
246
Subtract: 274 - 28 = 246.
basic_operations
729,882
arithmetic
easy
What is 913 - 241?
672
Subtract: 913 - 241 = 672.
basic_operations
729,883
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
729,884
arithmetic
easy
What is 76 * 75?
5700
Multiply: 76 * 75 = 5700.
basic_operations
729,885
arithmetic
easy
What is 878 - 171?
707
Subtract: 878 - 171 = 707.
basic_operations
729,886
roots
easy
What is the square root of 2209?
47
Find number that when squared gives 2209. 47*47=2209, so sqrt(2209)=47.
square_roots
729,887
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
729,888
arithmetic
easy
What is 378 - 300?
78
Subtract: 378 - 300 = 78.
basic_operations
729,889
word_problems
easy
If you have 33 apples and you buy 44 more apples, how many apples do you have in total?
77
Add initial 33 plus bought 44: 33+44=77.
addition_word
729,890
arithmetic
easy
What is 291 + 11?
302
Add the two numbers: 291 + 11 = 302.
basic_operations
729,891
arithmetic
easy
What is 13377 / 49?
273
Divide: 13377 ÷ 49 = 273 because 49*273=13377.
division
729,892
algebra
easy
Solve for x: 1x + 49 = 32
-17
Subtract 49 from both sides: 1x = 32-49=-17. Then divide by 1: x = -17/1 = -17.
linear_equation
729,893
number_theory
medium
What is the LCM (least common multiple) of 43 and 73?
3139
LCM = |43*73| / GCD(43,73). GCD=1, so LCM=3139/1=3139.
lcm
729,894
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
729,895
geometry
easy
Find the perimeter of a rectangle with length 93 and width 94.
374
Perimeter = 2*(length+width) = 2*(93+94) = 2*187 = 374.
rectangle_perim
729,896
algebra
medium
Solve for x: x^2 - 5x + 4 = 0
x = 4, 1
Factor: (x - 4)(x - 1) = x^2 -(5)x + 4 = 0. So x = 4 or 1. Check sum = 5, product = 4.
quadratic
729,897
number_theory
medium
What is the LCM (least common multiple) of 61 and 45?
2745
LCM = |61*45| / GCD(61,45). GCD=1, so LCM=2745/1=2745.
lcm
729,898
arithmetic
easy
What is 971 - 811?
160
Subtract: 971 - 811 = 160.
basic_operations
729,899
percentages
easy
What is 34% of 371?
126.14
Calculate 34/100 * 371 = 0.34*371 = 126.14.
percentages
729,900
arithmetic
easy
What is 25 * 51?
1275
Multiply: 25 * 51 = 1275.
basic_operations