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
901
roots
easy
What is the square root of 2304?
48
Find number that when squared gives 2304. 48*48=2304, so sqrt(2304)=48.
square_roots
902
number_theory
medium
What is the LCM (least common multiple) of 76 and 4?
76
LCM = |76*4| / GCD(76,4). GCD=4, so LCM=304/4=76.
lcm
903
algebra
easy
Solve for x: 19x - 26 = 183
11
Add 26 to both sides: 19x = 183+26=209. Then x = 209/19 = 11.
linear_equation
904
exponents
easy
What is 4^5?
1024
4^5 means multiply 4 by itself 5 times: 4*4*4*4*4 = 1024.
exponents
905
arithmetic
easy
What is 29 * 3?
87
Multiply: 29 * 3 = 87.
basic_operations
906
arithmetic
easy
What is 340 + 940?
1280
Add the two numbers: 340 + 940 = 1280.
basic_operations
907
roots
easy
What is the square root of 2116?
46
Find number that when squared gives 2116. 46*46=2116, so sqrt(2116)=46.
square_roots
908
algebra
medium
Solve for x: x^2 + 9x = 0
x = 0, -9
Factor: (x - 0)(x - -9) = x^2 -(-9)x + 0 = 0. So x = 0 or -9. Check sum = -9, product = 0.
quadratic
909
arithmetic
easy
What is 152 + 601?
753
Add the two numbers: 152 + 601 = 753.
basic_operations
910
number_theory
medium
What is the LCM (least common multiple) of 10 and 48?
240
LCM = |10*48| / GCD(10,48). GCD=2, so LCM=480/2=240.
lcm
911
arithmetic
easy
What is 6975 / 45?
155
Divide: 6975 ÷ 45 = 155 because 45*155=6975.
division
912
algebra
medium
Solve for x: x^2 - 13x + 30 = 0
x = 3, 10
Factor: (x - 3)(x - 10) = x^2 -(13)x + 30 = 0. So x = 3 or 10. Check sum = 13, product = 30.
quadratic
913
statistics
easy
What is the mean (average) of 41, 23, 91, 72, 89?
63.2
Mean = sum/count. Sum = 41+23+91+72+89=316. Count=5. Mean=316/5=63.2.
mean
914
number_theory
medium
What is the GCD (greatest common divisor) of 29 and 86?
1
Find greatest number dividing both 29 and 86. Divisors common, greatest is 1.
gcd
915
calculus
medium
What is the derivative of 5x^4 with respect to x?
20x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^4] = 5*4*x^3 = 20x^3.
derivative
916
algebra
easy
Solve for x: 6x + 43 = -77
-20
Subtract 43 from both sides: 6x = -77-43=-120. Then divide by 6: x = -120/6 = -20.
linear_equation
917
calculus
medium
What is the derivative of 10x^8 with respect to x?
80x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^8] = 10*8*x^7 = 80x^7.
derivative
918
arithmetic
easy
What is 29 * 82?
2378
Multiply: 29 * 82 = 2378.
basic_operations
919
statistics
easy
What is the mean (average) of 43, 96, 10?
49.67
Mean = sum/count. Sum = 43+96+10=149. Count=3. Mean=149/3=49.67.
mean
920
percentages
easy
What is 45% of 328?
147.6
Calculate 45/100 * 328 = 0.45*328 = 147.6.
percentages
921
algebra
medium
Solve for x: x^2 - 2x - 80 = 0
x = 10, -8
Factor: (x - 10)(x - -8) = x^2 -(2)x + -80 = 0. So x = 10 or -8. Check sum = 2, product = -80.
quadratic
922
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
923
arithmetic
easy
What is 9 + 45 * 32? Remember order of operations.
1449
Order of operations (PEMDAS): first 45*32=1440, then 9+1440=1449.
basic_operations
924
arithmetic
easy
What is 101 divided by 94? Give answer to 2 decimal places.
1.07
Calculate 101/ 94 = 1.0745, rounded to 2 decimals is 1.07.
division
925
word_problems
easy
If you have 98 books and you buy 27 more books, how many books do you have in total?
125
Add initial 98 plus bought 27: 98+27=125.
addition_word
926
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
927
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
928
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
929
percentages
easy
What is 21% of 463?
97.23
Calculate 21/100 * 463 = 0.21*463 = 97.23.
percentages
930
arithmetic
easy
What is 867 + 819 * 5? Remember order of operations.
4962
Order of operations (PEMDAS): first 819*5=4095, then 867+4095=4962.
basic_operations
931
geometry
easy
Find the area of a rectangle with length 10 and width 44.
440
Area = length * width = 10*44 = 440.
rectangle_area
932
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
933
arithmetic
easy
What is 965 - 561?
404
Subtract: 965 - 561 = 404.
basic_operations
934
statistics
easy
What is the mean (average) of 4, 56, 84, 22, 78?
48.8
Mean = sum/count. Sum = 4+56+84+22+78=244. Count=5. Mean=244/5=48.8.
mean
935
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
936
arithmetic
easy
What is 104 + 340?
444
Add the two numbers: 104 + 340 = 444.
basic_operations
937
geometry
easy
Find the area of a circle with radius 20. Use pi=3.14159, round to 2 decimals.
1256.64
Area = pi*r^2 = 3.14159*20^2 = 3.14159*400 = 1256.64.
circle_area
938
percentages
easy
What is 13% of 51?
6.63
Calculate 13/100 * 51 = 0.13*51 = 6.63.
percentages
939
calculus
medium
What is the derivative of 9x^6 with respect to x?
54x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^6] = 9*6*x^5 = 54x^5.
derivative
940
statistics
easy
What is the mean (average) of 7, 47, 1?
18.33
Mean = sum/count. Sum = 7+47+1=55. Count=3. Mean=55/3=18.33.
mean
941
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
942
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
943
fractions
medium
What is 4/2 * 7/7? Give as simplified fraction.
2
Multiply numerators: 4*7=28. Denominators: 2*7=14. Simplify by gcd 14 to get 2.
fraction_operations
944
exponents
easy
What is 3^5?
243
3^5 means multiply 3 by itself 5 times: 3*3*3*3*3 = 243.
exponents
945
arithmetic
easy
What is 16508 divided by 41? Give answer to 2 decimal places.
402.63
Calculate 16508/ 41 = 402.6341, rounded to 2 decimals is 402.63.
division
946
statistics
easy
What is the mean (average) of 34, 12, 83, 70, 50?
49.8
Mean = sum/count. Sum = 34+12+83+70+50=249. Count=5. Mean=249/5=49.8.
mean
947
algebra
medium
Solve for x: x^2 - 3x + 2 = 0
x = 1, 2
Factor: (x - 1)(x - 2) = x^2 -(3)x + 2 = 0. So x = 1 or 2. Check sum = 3, product = 2.
quadratic
948
number_theory
medium
What is the GCD (greatest common divisor) of 24 and 58?
2
Find greatest number dividing both 24 and 58. Divisors common, greatest is 2.
gcd
949
geometry
easy
Find the circumference of a circle with radius 30. Use pi=3.14159, round to 2 decimals.
188.5
Circumference = 2*pi*r = 2*3.14159*30 = 188.5.
circle_circum
950
geometry
easy
Find the perimeter of a rectangle with length 35 and width 73.
216
Perimeter = 2*(length+width) = 2*(35+73) = 2*108 = 216.
rectangle_perim
951
arithmetic
easy
What is 13 * 11?
143
Multiply: 13 * 11 = 143.
basic_operations
952
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
953
percentages
easy
What is 71% of 63?
44.73
Calculate 71/100 * 63 = 0.71*63 = 44.73.
percentages
954
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
955
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
956
statistics
easy
What is the mean (average) of 31, 61, 39, 11, 51?
38.6
Mean = sum/count. Sum = 31+61+39+11+51=193. Count=5. Mean=193/5=38.6.
mean
957
arithmetic
easy
What is 87 + 80 * 67? Remember order of operations.
5447
Order of operations (PEMDAS): first 80*67=5360, then 87+5360=5447.
basic_operations
958
word_problems
easy
If you have 27 books and you buy 11 more books, how many books do you have in total?
38
Add initial 27 plus bought 11: 27+11=38.
addition_word
959
fractions
medium
What is 5/3 * 14/4? Give as simplified fraction.
35/6
Multiply numerators: 5*14=70. Denominators: 3*4=12. Simplify by gcd 2 to get 35/6.
fraction_operations
960
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
961
algebra
easy
Solve for x: 20x - 17 = -17
0
Add 17 to both sides: 20x = -17+17=0. Then x = 0/20 = 0.
linear_equation
962
arithmetic
easy
What is 398 - 90?
308
Subtract: 398 - 90 = 308.
basic_operations
963
geometry
easy
Find the area of a triangle with base 59 and height 2.
59
Area = 0.5*base*height = 0.5*59*2 = 59.
triangle_area
964
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
965
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
966
algebra
easy
Solve for x: 19x + 25 = 348
17
Subtract 25 from both sides: 19x = 348-25=323. Then divide by 19: x = 323/19 = 17.
linear_equation
967
arithmetic
easy
What is 4335 / 15?
289
Divide: 4335 ÷ 15 = 289 because 15*289=4335.
division
968
exponents
easy
What is 10^4?
10000
10^4 means multiply 10 by itself 4 times: 10*10*10*10 = 10000.
exponents
969
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
970
calculus
medium
What is the derivative of 8x^7 with respect to x?
56x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^7] = 8*7*x^6 = 56x^6.
derivative
971
statistics
easy
What is the mean (average) of 23, 36, 52?
37
Mean = sum/count. Sum = 23+36+52=111. Count=3. Mean=111/3=37.0.
mean
972
algebra
easy
Solve for x: 20x + 27 = 127
5
Subtract 27 from both sides: 20x = 127-27=100. Then divide by 20: x = 100/20 = 5.
linear_equation
973
arithmetic
easy
What is 31 * 7?
217
Multiply: 31 * 7 = 217.
basic_operations
974
geometry
easy
Find the area of a circle with radius 2. Use pi=3.14159, round to 2 decimals.
12.57
Area = pi*r^2 = 3.14159*2^2 = 3.14159*4 = 12.57.
circle_area
975
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
976
exponents
easy
What is 6^5?
7776
6^5 means multiply 6 by itself 5 times: 6*6*6*6*6 = 7776.
exponents
977
arithmetic
easy
What is 2149 divided by 31? Give answer to 2 decimal places.
69.32
Calculate 2149/ 31 = 69.3226, rounded to 2 decimals is 69.32.
division
978
roots
easy
What is the square root of 324?
18
Find number that when squared gives 324. 18*18=324, so sqrt(324)=18.
square_roots
979
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
980
arithmetic
easy
What is 453 - 193?
260
Subtract: 453 - 193 = 260.
basic_operations
981
number_theory
medium
What is the GCD (greatest common divisor) of 8 and 66?
2
Find greatest number dividing both 8 and 66. Divisors common, greatest is 2.
gcd
982
arithmetic
easy
What is 727 + 319 * 65? Remember order of operations.
21462
Order of operations (PEMDAS): first 319*65=20735, then 727+20735=21462.
basic_operations
983
arithmetic
easy
What is 178 + 198 * 26? Remember order of operations.
5326
Order of operations (PEMDAS): first 198*26=5148, then 178+5148=5326.
basic_operations
984
word_problems
easy
If you have 11 books and you buy 24 more books, how many books do you have in total?
35
Add initial 11 plus bought 24: 11+24=35.
addition_word
985
geometry
easy
Find the area of a circle with radius 30. Use pi=3.14159, round to 2 decimals.
2827.43
Area = pi*r^2 = 3.14159*30^2 = 3.14159*900 = 2827.43.
circle_area
986
calculus
medium
What is the derivative of 2x^7 with respect to x?
14x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^7] = 2*7*x^6 = 14x^6.
derivative
987
arithmetic
easy
What is 58 * 23?
1334
Multiply: 58 * 23 = 1334.
basic_operations
988
statistics
easy
What is the mean (average) of 71, 45, 45, 21, 34?
43.2
Mean = sum/count. Sum = 71+45+45+21+34=216. Count=5. Mean=216/5=43.2.
mean
989
arithmetic
easy
What is 292 + 29 * 50? Remember order of operations.
1742
Order of operations (PEMDAS): first 29*50=1450, then 292+1450=1742.
basic_operations
990
fractions
medium
What is 8/9 * 7/10? Give as simplified fraction.
28/45
Multiply numerators: 8*7=56. Denominators: 9*10=90. Simplify by gcd 2 to get 28/45.
fraction_operations
991
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
992
arithmetic
easy
What is 2 * 61?
122
Multiply: 2 * 61 = 122.
basic_operations
993
algebra
medium
Solve for x: x^2 + 1x - 90 = 0
x = 9, -10
Factor: (x - 9)(x - -10) = x^2 -(-1)x + -90 = 0. So x = 9 or -10. Check sum = -1, product = -90.
quadratic
994
percentages
easy
What is 33% of 623?
205.59
Calculate 33/100 * 623 = 0.33*623 = 205.59.
percentages
995
exponents
easy
What is 12^4?
20736
12^4 means multiply 12 by itself 4 times: 12*12*12*12 = 20736.
exponents
996
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
997
number_theory
medium
What is the GCD (greatest common divisor) of 59 and 33?
1
Find greatest number dividing both 59 and 33. Divisors common, greatest is 1.
gcd
998
word_problems
easy
If you have 43 pencils and you buy 44 more pencils, how many pencils do you have in total?
87
Add initial 43 plus bought 44: 43+44=87.
addition_word
999
calculus
medium
What is the derivative of 2x^6 with respect to x?
12x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^6] = 2*6*x^5 = 12x^5.
derivative
1,000
arithmetic
easy
What is 83 * 77?
6391
Multiply: 83 * 77 = 6391.
basic_operations