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
732,801
fractions
medium
What is 13/14 * 20/11? Give as simplified fraction.
130/77
Multiply numerators: 13*20=260. Denominators: 14*11=154. Simplify by gcd 2 to get 130/77.
fraction_operations
732,802
algebra
easy
Solve for x: 13x - 6 = 241
19
Add 6 to both sides: 13x = 241+6=247. Then x = 247/13 = 19.
linear_equation
732,803
fractions
medium
What is 16/18 * 15/5? Give as simplified fraction.
8/3
Multiply numerators: 16*15=240. Denominators: 18*5=90. Simplify by gcd 30 to get 8/3.
fraction_operations
732,804
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
732,805
statistics
easy
What is the mean (average) of 75, 75, 94, 26, 55?
65
Mean = sum/count. Sum = 75+75+94+26+55=325. Count=5. Mean=325/5=65.0.
mean
732,806
percentages
easy
What is 8% of 407?
32.56
Calculate 8/100 * 407 = 0.08*407 = 32.56.
percentages
732,807
percentages
easy
What is 70% of 855?
598.5
Calculate 70/100 * 855 = 0.7*855 = 598.5.
percentages
732,808
word_problems
easy
If you have 85 apples and you buy 40 more apples, how many apples do you have in total?
125
Add initial 85 plus bought 40: 85+40=125.
addition_word
732,809
arithmetic
easy
What is 818 - 102?
716
Subtract: 818 - 102 = 716.
basic_operations
732,810
algebra
medium
Solve for x: x^2 - 4x + 3 = 0
x = 1, 3
Factor: (x - 1)(x - 3) = x^2 -(4)x + 3 = 0. So x = 1 or 3. Check sum = 4, product = 3.
quadratic
732,811
statistics
easy
What is the mean (average) of 68, 39, 2, 28, 44?
36.2
Mean = sum/count. Sum = 68+39+2+28+44=181. Count=5. Mean=181/5=36.2.
mean
732,812
exponents
easy
What is 11^2?
121
11^2 means multiply 11 by itself 2 times: 11*11 = 121.
exponents
732,813
word_problems
easy
If you have 23 candies and you buy 39 more candies, how many candies do you have in total?
62
Add initial 23 plus bought 39: 23+39=62.
addition_word
732,814
algebra
medium
Solve for x: x^2 - 1x - 72 = 0
x = 9, -8
Factor: (x - 9)(x - -8) = x^2 -(1)x + -72 = 0. So x = 9 or -8. Check sum = 1, product = -72.
quadratic
732,815
arithmetic
easy
What is 13423 / 31?
433
Divide: 13423 ÷ 31 = 433 because 31*433=13423.
division
732,816
roots
easy
What is the square root of 25?
5
Find number that when squared gives 25. 5*5=25, so sqrt(25)=5.
square_roots
732,817
number_theory
medium
What is the GCD (greatest common divisor) of 5 and 33?
1
Find greatest number dividing both 5 and 33. Divisors common, greatest is 1.
gcd
732,818
algebra
medium
Solve for x: x^2 - 2x - 8 = 0
x = -2, 4
Factor: (x - -2)(x - 4) = x^2 -(2)x + -8 = 0. So x = -2 or 4. Check sum = 2, product = -8.
quadratic
732,819
word_problems
easy
If you have 74 apples and you buy 16 more apples, how many apples do you have in total?
90
Add initial 74 plus bought 16: 74+16=90.
addition_word
732,820
arithmetic
easy
What is 893 - 865?
28
Subtract: 893 - 865 = 28.
basic_operations
732,821
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
732,822
fractions
medium
What is 6/18 - 13/14? Give as simplified fraction.
-25/42
Common denominator 252. Numerator 84-234=-150. So -150/252 simplifies to -25/42.
fraction_operations
732,823
word_problems
easy
If you have 68 apples and you buy 22 more apples, how many apples do you have in total?
90
Add initial 68 plus bought 22: 68+22=90.
addition_word
732,824
arithmetic
easy
What is 92 * 44?
4048
Multiply: 92 * 44 = 4048.
basic_operations
732,825
arithmetic
easy
What is 54 + 61 * 48? Remember order of operations.
2982
Order of operations (PEMDAS): first 61*48=2928, then 54+2928=2982.
basic_operations
732,826
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
732,827
geometry
easy
Find the area of a triangle with base 16 and height 79.
632
Area = 0.5*base*height = 0.5*16*79 = 632.
triangle_area
732,828
fractions
medium
What is 11/3 * 4/20? Give as simplified fraction.
11/15
Multiply numerators: 11*4=44. Denominators: 3*20=60. Simplify by gcd 4 to get 11/15.
fraction_operations
732,829
arithmetic
easy
What is 31 * 9?
279
Multiply: 31 * 9 = 279.
basic_operations
732,830
roots
easy
What is the square root of 676?
26
Find number that when squared gives 676. 26*26=676, so sqrt(676)=26.
square_roots
732,831
algebra
medium
Solve for x: x^2 + 6x - 16 = 0
x = 2, -8
Factor: (x - 2)(x - -8) = x^2 -(-6)x + -16 = 0. So x = 2 or -8. Check sum = -6, product = -16.
quadratic
732,832
fractions
medium
What is 13/19 - 10/18? Give as simplified fraction.
22/171
Common denominator 342. Numerator 234-190=44. So 44/342 simplifies to 22/171.
fraction_operations
732,833
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
732,834
word_problems
easy
If you have 32 pencils and you buy 2 more pencils, how many pencils do you have in total?
34
Add initial 32 plus bought 2: 32+2=34.
addition_word
732,835
percentages
easy
What is 90% of 639?
575.1
Calculate 90/100 * 639 = 0.9*639 = 575.1.
percentages
732,836
arithmetic
easy
What is 459 + 448?
907
Add the two numbers: 459 + 448 = 907.
basic_operations
732,837
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
732,838
geometry
easy
Find the perimeter of a rectangle with length 29 and width 29.
116
Perimeter = 2*(length+width) = 2*(29+29) = 2*58 = 116.
rectangle_perim
732,839
algebra
easy
Solve for x: 4x - 10 = -66
-14
Add 10 to both sides: 4x = -66+10=-56. Then x = -56/4 = -14.
linear_equation
732,840
algebra
easy
Solve for x: 17x + 1 = -135
-8
Subtract 1 from both sides: 17x = -135-1=-136. Then divide by 17: x = -136/17 = -8.
linear_equation
732,841
word_problems
easy
If you have 89 pencils and you buy 27 more pencils, how many pencils do you have in total?
116
Add initial 89 plus bought 27: 89+27=116.
addition_word
732,842
fractions
medium
What is 4/9 + 7/11? Give as simplified fraction.
107/99
Common denominator 9*11=99. 4/9=44/99, 7/11=63/99. Sum = 107/99 = 107/99 simplified.
fraction_operations
732,843
exponents
easy
What is 11^5?
161051
11^5 means multiply 11 by itself 5 times: 11*11*11*11*11 = 161051.
exponents
732,844
fractions
medium
What is 17/5 * 11/10? Give as simplified fraction.
187/50
Multiply numerators: 17*11=187. Denominators: 5*10=50. Simplify by gcd 1 to get 187/50.
fraction_operations
732,845
arithmetic
easy
What is 458 - 146?
312
Subtract: 458 - 146 = 312.
basic_operations
732,846
percentages
easy
What is 97% of 744?
721.68
Calculate 97/100 * 744 = 0.97*744 = 721.68.
percentages
732,847
number_theory
medium
What is the GCD (greatest common divisor) of 30 and 88?
2
Find greatest number dividing both 30 and 88. Divisors common, greatest is 2.
gcd
732,848
arithmetic
easy
What is 607 + 515 * 69? Remember order of operations.
36142
Order of operations (PEMDAS): first 515*69=35535, then 607+35535=36142.
basic_operations
732,849
percentages
easy
What is 98% of 905?
886.9
Calculate 98/100 * 905 = 0.98*905 = 886.9.
percentages
732,850
arithmetic
easy
What is 60 + 12 * 20? Remember order of operations.
300
Order of operations (PEMDAS): first 12*20=240, then 60+240=300.
basic_operations
732,851
algebra
easy
Solve for x: 12x - 23 = 13
3
Add 23 to both sides: 12x = 13+23=36. Then x = 36/12 = 3.
linear_equation
732,852
statistics
easy
What is the mean (average) of 13, 89, 70, 98?
67.5
Mean = sum/count. Sum = 13+89+70+98=270. Count=4. Mean=270/4=67.5.
mean
732,853
statistics
easy
What is the mean (average) of 32, 57, 9, 50, 23?
34.2
Mean = sum/count. Sum = 32+57+9+50+23=171. Count=5. Mean=171/5=34.2.
mean
732,854
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
732,855
algebra
medium
Solve for x: x^2 + 4x + 4 = 0
x = -2
Factor as (x - -2)^2 = 0, so root is -2 (double root). Sum of roots = -4, product = 4.
quadratic
732,856
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
732,857
algebra
easy
Solve for x: 7x - 46 = 66
16
Add 46 to both sides: 7x = 66+46=112. Then x = 112/7 = 16.
linear_equation
732,858
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
732,859
calculus
medium
What is the derivative of 5x^3 with respect to x?
15x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^3] = 5*3*x^2 = 15x^2.
derivative
732,860
arithmetic
easy
What is 560 - 242?
318
Subtract: 560 - 242 = 318.
basic_operations
732,861
number_theory
medium
What is the LCM (least common multiple) of 76 and 7?
532
LCM = |76*7| / GCD(76,7). GCD=1, so LCM=532/1=532.
lcm
732,862
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
732,863
exponents
easy
What is 11^2?
121
11^2 means multiply 11 by itself 2 times: 11*11 = 121.
exponents
732,864
algebra
easy
Solve for x: 6x + 41 = -79
-20
Subtract 41 from both sides: 6x = -79-41=-120. Then divide by 6: x = -120/6 = -20.
linear_equation
732,865
arithmetic
easy
What is 84 * 43?
3612
Multiply: 84 * 43 = 3612.
basic_operations
732,866
exponents
easy
What is 8^2?
64
8^2 means multiply 8 by itself 2 times: 8*8 = 64.
exponents
732,867
arithmetic
easy
What is 969 - 480?
489
Subtract: 969 - 480 = 489.
basic_operations
732,868
arithmetic
easy
What is 63 * 21?
1323
Multiply: 63 * 21 = 1323.
basic_operations
732,869
percentages
easy
What is 66% of 462?
304.92
Calculate 66/100 * 462 = 0.66*462 = 304.92.
percentages
732,870
geometry
easy
Find the perimeter of a rectangle with length 12 and width 10.
44
Perimeter = 2*(length+width) = 2*(12+10) = 2*22 = 44.
rectangle_perim
732,871
exponents
easy
What is 10^4?
10000
10^4 means multiply 10 by itself 4 times: 10*10*10*10 = 10000.
exponents
732,872
statistics
easy
What is the mean (average) of 55, 10, 43, 68, 22?
39.6
Mean = sum/count. Sum = 55+10+43+68+22=198. Count=5. Mean=198/5=39.6.
mean
732,873
arithmetic
easy
What is 19250 / 50?
385
Divide: 19250 ÷ 50 = 385 because 50*385=19250.
division
732,874
algebra
easy
Solve for x: 17x + 49 = 372
19
Subtract 49 from both sides: 17x = 372-49=323. Then divide by 17: x = 323/17 = 19.
linear_equation
732,875
arithmetic
easy
What is 650 + 779?
1429
Add the two numbers: 650 + 779 = 1429.
basic_operations
732,876
arithmetic
easy
What is 854 + 665 * 53? Remember order of operations.
36099
Order of operations (PEMDAS): first 665*53=35245, then 854+35245=36099.
basic_operations
732,877
exponents
easy
What is 7^5?
16807
7^5 means multiply 7 by itself 5 times: 7*7*7*7*7 = 16807.
exponents
732,878
fractions
medium
What is 12/13 * 8/17? Give as simplified fraction.
96/221
Multiply numerators: 12*8=96. Denominators: 13*17=221. Simplify by gcd 1 to get 96/221.
fraction_operations
732,879
arithmetic
easy
What is 328 + 12?
340
Add the two numbers: 328 + 12 = 340.
basic_operations
732,880
algebra
easy
Solve for x: 10x + 9 = -161
-17
Subtract 9 from both sides: 10x = -161-9=-170. Then divide by 10: x = -170/10 = -17.
linear_equation
732,881
calculus
medium
What is the derivative of 5x^3 with respect to x?
15x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^3] = 5*3*x^2 = 15x^2.
derivative
732,882
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
732,883
arithmetic
easy
What is 827 - 449?
378
Subtract: 827 - 449 = 378.
basic_operations
732,884
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
732,885
arithmetic
easy
What is 2622 / 19?
138
Divide: 2622 ÷ 19 = 138 because 19*138=2622.
division
732,886
algebra
medium
Solve for x: x^2 - 7x + 10 = 0
x = 2, 5
Factor: (x - 2)(x - 5) = x^2 -(7)x + 10 = 0. So x = 2 or 5. Check sum = 7, product = 10.
quadratic
732,887
arithmetic
easy
What is 42 + 77 * 10? Remember order of operations.
812
Order of operations (PEMDAS): first 77*10=770, then 42+770=812.
basic_operations
732,888
word_problems
easy
If you have 33 pencils and you buy 14 more pencils, how many pencils do you have in total?
47
Add initial 33 plus bought 14: 33+14=47.
addition_word
732,889
word_problems
easy
If you have 31 candies and you buy 17 more candies, how many candies do you have in total?
48
Add initial 31 plus bought 17: 31+17=48.
addition_word
732,890
fractions
medium
What is 11/4 + 16/4? Give as simplified fraction.
27/4
Common denominator 4*4=16. 11/4=44/16, 16/4=64/16. Sum = 108/16 = 27/4 simplified.
fraction_operations
732,891
arithmetic
easy
What is 9588 / 51?
188
Divide: 9588 ÷ 51 = 188 because 51*188=9588.
division
732,892
geometry
easy
Find the area of a triangle with base 73 and height 26.
949
Area = 0.5*base*height = 0.5*73*26 = 949.
triangle_area
732,893
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
732,894
arithmetic
easy
What is 899 + 18 * 72? Remember order of operations.
2195
Order of operations (PEMDAS): first 18*72=1296, then 899+1296=2195.
basic_operations
732,895
roots
easy
What is the square root of 729?
27
Find number that when squared gives 729. 27*27=729, so sqrt(729)=27.
square_roots
732,896
arithmetic
easy
What is 831 + 146?
977
Add the two numbers: 831 + 146 = 977.
basic_operations
732,897
arithmetic
easy
What is 92 + 27 * 67? Remember order of operations.
1901
Order of operations (PEMDAS): first 27*67=1809, then 92+1809=1901.
basic_operations
732,898
word_problems
easy
If you have 10 candies and you buy 19 more candies, how many candies do you have in total?
29
Add initial 10 plus bought 19: 10+19=29.
addition_word
732,899
arithmetic
easy
What is 417 + 154 * 16? Remember order of operations.
2881
Order of operations (PEMDAS): first 154*16=2464, then 417+2464=2881.
basic_operations
732,900
arithmetic
easy
What is 40 * 48?
1920
Multiply: 40 * 48 = 1920.
basic_operations