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
4,801
arithmetic
easy
What is 42245 divided by 89? Give answer to 2 decimal places.
474.66
Calculate 42245/ 89 = 474.6629, rounded to 2 decimals is 474.66.
division
4,802
word_problems
easy
If you have 89 apples and you buy 9 more apples, how many apples do you have in total?
98
Add initial 89 plus bought 9: 89+9=98.
addition_word
4,803
arithmetic
easy
What is 31205 / 79?
395
Divide: 31205 ÷ 79 = 395 because 79*395=31205.
division
4,804
arithmetic
easy
What is 10350 / 50?
207
Divide: 10350 ÷ 50 = 207 because 50*207=10350.
division
4,805
algebra
medium
Solve for x: x^2 + 16x + 63 = 0
x = -9, -7
Factor: (x - -9)(x - -7) = x^2 -(-16)x + 63 = 0. So x = -9 or -7. Check sum = -16, product = 63.
quadratic
4,806
arithmetic
easy
What is 458 - 140?
318
Subtract: 458 - 140 = 318.
basic_operations
4,807
word_problems
easy
If you have 36 pencils and you buy 13 more pencils, how many pencils do you have in total?
49
Add initial 36 plus bought 13: 36+13=49.
addition_word
4,808
fractions
medium
What is 2/11 - 19/8? Give as simplified fraction.
-193/88
Common denominator 88. Numerator 16-209=-193. So -193/88 simplifies to -193/88.
fraction_operations
4,809
calculus
medium
What is the derivative of 4x^4 with respect to x?
16x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^4] = 4*4*x^3 = 16x^3.
derivative
4,810
arithmetic
easy
What is 86 * 39?
3354
Multiply: 86 * 39 = 3354.
basic_operations
4,811
arithmetic
easy
What is 8232 / 21?
392
Divide: 8232 ÷ 21 = 392 because 21*392=8232.
division
4,812
arithmetic
easy
What is 1899 divided by 13? Give answer to 2 decimal places.
146.08
Calculate 1899/ 13 = 146.0769, rounded to 2 decimals is 146.08.
division
4,813
algebra
easy
Solve for x: 11x - 49 = 127
16
Add 49 to both sides: 11x = 127+49=176. Then x = 176/11 = 16.
linear_equation
4,814
roots
easy
What is the square root of 81?
9
Find number that when squared gives 81. 9*9=81, so sqrt(81)=9.
square_roots
4,815
algebra
easy
Solve for x: 20x - 14 = 66
4
Add 14 to both sides: 20x = 66+14=80. Then x = 80/20 = 4.
linear_equation
4,816
algebra
easy
Solve for x: 1x + 25 = 17
-8
Subtract 25 from both sides: 1x = 17-25=-8. Then divide by 1: x = -8/1 = -8.
linear_equation
4,817
number_theory
medium
What is the LCM (least common multiple) of 45 and 93?
1395
LCM = |45*93| / GCD(45,93). GCD=3, so LCM=4185/3=1395.
lcm
4,818
arithmetic
easy
What is 1 * 28?
28
Multiply: 1 * 28 = 28.
basic_operations
4,819
number_theory
medium
What is the LCM (least common multiple) of 17 and 100?
1700
LCM = |17*100| / GCD(17,100). GCD=1, so LCM=1700/1=1700.
lcm
4,820
arithmetic
easy
What is 795 + 100 * 30? Remember order of operations.
3795
Order of operations (PEMDAS): first 100*30=3000, then 795+3000=3795.
basic_operations
4,821
geometry
easy
Find the perimeter of a rectangle with length 55 and width 46.
202
Perimeter = 2*(length+width) = 2*(55+46) = 2*101 = 202.
rectangle_perim
4,822
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
4,823
number_theory
medium
What is the GCD (greatest common divisor) of 50 and 40?
10
Find greatest number dividing both 50 and 40. Divisors common, greatest is 10.
gcd
4,824
fractions
medium
What is 1/10 + 3/6? Give as simplified fraction.
3/5
Common denominator 10*6=60. 1/10=6/60, 3/6=30/60. Sum = 36/60 = 3/5 simplified.
fraction_operations
4,825
algebra
easy
Solve for x: 16x - 44 = 68
7
Add 44 to both sides: 16x = 68+44=112. Then x = 112/16 = 7.
linear_equation
4,826
arithmetic
easy
What is 15131 divided by 48? Give answer to 2 decimal places.
315.23
Calculate 15131/ 48 = 315.2292, rounded to 2 decimals is 315.23.
division
4,827
percentages
easy
What is 72% of 507?
365.04
Calculate 72/100 * 507 = 0.72*507 = 365.04.
percentages
4,828
geometry
easy
Find the area of a rectangle with length 22 and width 77.
1694
Area = length * width = 22*77 = 1694.
rectangle_area
4,829
arithmetic
easy
What is 454 + 737?
1191
Add the two numbers: 454 + 737 = 1191.
basic_operations
4,830
arithmetic
easy
What is 423 + 234?
657
Add the two numbers: 423 + 234 = 657.
basic_operations
4,831
arithmetic
easy
What is 7380 / 45?
164
Divide: 7380 ÷ 45 = 164 because 45*164=7380.
division
4,832
arithmetic
easy
What is 719 + 228 * 91? Remember order of operations.
21467
Order of operations (PEMDAS): first 228*91=20748, then 719+20748=21467.
basic_operations
4,833
arithmetic
easy
What is 128 - 18?
110
Subtract: 128 - 18 = 110.
basic_operations
4,834
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
4,835
word_problems
easy
If you have 52 dollars and you buy 28 more dollars, how many dollars do you have in total?
80
Add initial 52 plus bought 28: 52+28=80.
addition_word
4,836
arithmetic
easy
What is 100 * 45?
4500
Multiply: 100 * 45 = 4500.
basic_operations
4,837
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
4,838
algebra
medium
Solve for x: x^2 + 5x + 6 = 0
x = -3, -2
Factor: (x - -3)(x - -2) = x^2 -(-5)x + 6 = 0. So x = -3 or -2. Check sum = -5, product = 6.
quadratic
4,839
statistics
easy
What is the mean (average) of 18, 33, 60?
37
Mean = sum/count. Sum = 18+33+60=111. Count=3. Mean=111/3=37.0.
mean
4,840
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
4,841
arithmetic
easy
What is 1995 / 7?
285
Divide: 1995 ÷ 7 = 285 because 7*285=1995.
division
4,842
arithmetic
easy
What is 643 divided by 6? Give answer to 2 decimal places.
107.17
Calculate 643/ 6 = 107.1667, rounded to 2 decimals is 107.17.
division
4,843
percentages
easy
What is 13% of 461?
59.93
Calculate 13/100 * 461 = 0.13*461 = 59.93.
percentages
4,844
calculus
medium
What is the derivative of 2x^4 with respect to x?
8x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^4] = 2*4*x^3 = 8x^3.
derivative
4,845
statistics
easy
What is the mean (average) of 55, 67, 6?
42.67
Mean = sum/count. Sum = 55+67+6=128. Count=3. Mean=128/3=42.67.
mean
4,846
arithmetic
easy
What is 47 + 58 * 94? Remember order of operations.
5499
Order of operations (PEMDAS): first 58*94=5452, then 47+5452=5499.
basic_operations
4,847
arithmetic
easy
What is 890 - 738?
152
Subtract: 890 - 738 = 152.
basic_operations
4,848
word_problems
easy
If you have 15 pencils and you buy 13 more pencils, how many pencils do you have in total?
28
Add initial 15 plus bought 13: 15+13=28.
addition_word
4,849
arithmetic
easy
What is 419 + 464 * 14? Remember order of operations.
6915
Order of operations (PEMDAS): first 464*14=6496, then 419+6496=6915.
basic_operations
4,850
percentages
easy
What is 43% of 82?
35.26
Calculate 43/100 * 82 = 0.43*82 = 35.26.
percentages
4,851
arithmetic
easy
What is 892 - 833?
59
Subtract: 892 - 833 = 59.
basic_operations
4,852
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
4,853
fractions
medium
What is 13/7 + 4/8? Give as simplified fraction.
33/14
Common denominator 7*8=56. 13/7=104/56, 4/8=28/56. Sum = 132/56 = 33/14 simplified.
fraction_operations
4,854
arithmetic
easy
What is 579 - 446?
133
Subtract: 579 - 446 = 133.
basic_operations
4,855
number_theory
medium
What is the LCM (least common multiple) of 58 and 55?
3190
LCM = |58*55| / GCD(58,55). GCD=1, so LCM=3190/1=3190.
lcm
4,856
geometry
easy
Find the circumference of a circle with radius 2. Use pi=3.14159, round to 2 decimals.
12.57
Circumference = 2*pi*r = 2*3.14159*2 = 12.57.
circle_circum
4,857
fractions
medium
What is 4/19 + 1/12? Give as simplified fraction.
67/228
Common denominator 19*12=228. 4/19=48/228, 1/12=19/228. Sum = 67/228 = 67/228 simplified.
fraction_operations
4,858
fractions
medium
What is 20/14 - 6/16? Give as simplified fraction.
59/56
Common denominator 224. Numerator 320-84=236. So 236/224 simplifies to 59/56.
fraction_operations
4,859
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
4,860
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
4,861
algebra
easy
Solve for x: 3x - 5 = 46
17
Add 5 to both sides: 3x = 46+5=51. Then x = 51/3 = 17.
linear_equation
4,862
arithmetic
easy
What is 61 + 3 * 18? Remember order of operations.
115
Order of operations (PEMDAS): first 3*18=54, then 61+54=115.
basic_operations
4,863
geometry
easy
Find the circumference of a circle with radius 27. Use pi=3.14159, round to 2 decimals.
169.65
Circumference = 2*pi*r = 2*3.14159*27 = 169.65.
circle_circum
4,864
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
4,865
exponents
easy
What is 7^2?
49
7^2 means multiply 7 by itself 2 times: 7*7 = 49.
exponents
4,866
arithmetic
easy
What is 815 - 120?
695
Subtract: 815 - 120 = 695.
basic_operations
4,867
word_problems
easy
If you have 20 apples and you buy 17 more apples, how many apples do you have in total?
37
Add initial 20 plus bought 17: 20+17=37.
addition_word
4,868
arithmetic
easy
What is 31 * 70?
2170
Multiply: 31 * 70 = 2170.
basic_operations
4,869
arithmetic
easy
What is 91 * 81?
7371
Multiply: 91 * 81 = 7371.
basic_operations
4,870
arithmetic
easy
What is 9 * 41?
369
Multiply: 9 * 41 = 369.
basic_operations
4,871
arithmetic
easy
What is 5 + 76 * 78? Remember order of operations.
5933
Order of operations (PEMDAS): first 76*78=5928, then 5+5928=5933.
basic_operations
4,872
statistics
easy
What is the mean (average) of 78, 68, 64, 82?
73
Mean = sum/count. Sum = 78+68+64+82=292. Count=4. Mean=292/4=73.0.
mean
4,873
percentages
easy
What is 83% of 67?
55.61
Calculate 83/100 * 67 = 0.83*67 = 55.61.
percentages
4,874
fractions
medium
What is 15/20 - 15/5? Give as simplified fraction.
-9/4
Common denominator 100. Numerator 75-300=-225. So -225/100 simplifies to -9/4.
fraction_operations
4,875
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
4,876
exponents
easy
What is 3^5?
243
3^5 means multiply 3 by itself 5 times: 3*3*3*3*3 = 243.
exponents
4,877
calculus
medium
What is the derivative of 3x^2 with respect to x?
6x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^2] = 3*2*x^1 = 6x.
derivative
4,878
fractions
medium
What is 16/11 - 2/17? Give as simplified fraction.
250/187
Common denominator 187. Numerator 272-22=250. So 250/187 simplifies to 250/187.
fraction_operations
4,879
geometry
easy
Find the perimeter of a rectangle with length 30 and width 23.
106
Perimeter = 2*(length+width) = 2*(30+23) = 2*53 = 106.
rectangle_perim
4,880
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
4,881
algebra
medium
Solve for x: x^2 - 2x - 24 = 0
x = -4, 6
Factor: (x - -4)(x - 6) = x^2 -(2)x + -24 = 0. So x = -4 or 6. Check sum = 2, product = -24.
quadratic
4,882
exponents
easy
What is 11^2?
121
11^2 means multiply 11 by itself 2 times: 11*11 = 121.
exponents
4,883
word_problems
easy
If you have 6 dollars and you buy 5 more dollars, how many dollars do you have in total?
11
Add initial 6 plus bought 5: 6+5=11.
addition_word
4,884
algebra
medium
Solve for x: x^2 + 3x - 18 = 0
x = 3, -6
Factor: (x - 3)(x - -6) = x^2 -(-3)x + -18 = 0. So x = 3 or -6. Check sum = -3, product = -18.
quadratic
4,885
arithmetic
easy
What is 59 * 70?
4130
Multiply: 59 * 70 = 4130.
basic_operations
4,886
arithmetic
easy
What is 2743 / 13?
211
Divide: 2743 ÷ 13 = 211 because 13*211=2743.
division
4,887
arithmetic
easy
What is 34 * 13?
442
Multiply: 34 * 13 = 442.
basic_operations
4,888
arithmetic
easy
What is 97 * 79?
7663
Multiply: 97 * 79 = 7663.
basic_operations
4,889
word_problems
easy
If you have 23 apples and you buy 8 more apples, how many apples do you have in total?
31
Add initial 23 plus bought 8: 23+8=31.
addition_word
4,890
word_problems
easy
If you have 7 pencils and you buy 47 more pencils, how many pencils do you have in total?
54
Add initial 7 plus bought 47: 7+47=54.
addition_word
4,891
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
4,892
arithmetic
easy
What is 994 - 560?
434
Subtract: 994 - 560 = 434.
basic_operations
4,893
algebra
easy
Solve for x: 6x + 47 = -31
-13
Subtract 47 from both sides: 6x = -31-47=-78. Then divide by 6: x = -78/6 = -13.
linear_equation
4,894
word_problems
easy
If you have 50 pencils and you buy 34 more pencils, how many pencils do you have in total?
84
Add initial 50 plus bought 34: 50+34=84.
addition_word
4,895
percentages
easy
What is 74% of 451?
333.74
Calculate 74/100 * 451 = 0.74*451 = 333.74.
percentages
4,896
number_theory
medium
What is the GCD (greatest common divisor) of 57 and 2?
1
Find greatest number dividing both 57 and 2. Divisors common, greatest is 1.
gcd
4,897
arithmetic
easy
What is 6 * 54?
324
Multiply: 6 * 54 = 324.
basic_operations
4,898
statistics
easy
What is the mean (average) of 12, 24, 25, 49, 73?
36.6
Mean = sum/count. Sum = 12+24+25+49+73=183. Count=5. Mean=183/5=36.6.
mean
4,899
arithmetic
easy
What is 307 + 610?
917
Add the two numbers: 307 + 610 = 917.
basic_operations
4,900
arithmetic
easy
What is 957 - 162?
795
Subtract: 957 - 162 = 795.
basic_operations