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
2,801
fractions
medium
What is 3/20 - 20/6? Give as simplified fraction.
-191/60
Common denominator 120. Numerator 18-400=-382. So -382/120 simplifies to -191/60.
fraction_operations
2,802
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
2,803
algebra
easy
Solve for x: 15x - 32 = 133
11
Add 32 to both sides: 15x = 133+32=165. Then x = 165/15 = 11.
linear_equation
2,804
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
2,805
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
2,806
arithmetic
easy
What is 58 * 82?
4756
Multiply: 58 * 82 = 4756.
basic_operations
2,807
arithmetic
easy
What is 674 divided by 6? Give answer to 2 decimal places.
112.33
Calculate 674/ 6 = 112.3333, rounded to 2 decimals is 112.33.
division
2,808
algebra
medium
Solve for x: x^2 - 11x + 18 = 0
x = 9, 2
Factor: (x - 9)(x - 2) = x^2 -(11)x + 18 = 0. So x = 9 or 2. Check sum = 11, product = 18.
quadratic
2,809
fractions
medium
What is 12/8 + 7/20? Give as simplified fraction.
37/20
Common denominator 8*20=160. 12/8=240/160, 7/20=56/160. Sum = 296/160 = 37/20 simplified.
fraction_operations
2,810
number_theory
medium
What is the LCM (least common multiple) of 47 and 3?
141
LCM = |47*3| / GCD(47,3). GCD=1, so LCM=141/1=141.
lcm
2,811
exponents
easy
What is 10^2?
100
10^2 means multiply 10 by itself 2 times: 10*10 = 100.
exponents
2,812
statistics
easy
What is the mean (average) of 59, 53, 53, 46, 46?
51.4
Mean = sum/count. Sum = 59+53+53+46+46=257. Count=5. Mean=257/5=51.4.
mean
2,813
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
2,814
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
2,815
algebra
medium
Solve for x: x^2 - 7x + 12 = 0
x = 4, 3
Factor: (x - 4)(x - 3) = x^2 -(7)x + 12 = 0. So x = 4 or 3. Check sum = 7, product = 12.
quadratic
2,816
number_theory
medium
What is the GCD (greatest common divisor) of 23 and 71?
1
Find greatest number dividing both 23 and 71. Divisors common, greatest is 1.
gcd
2,817
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
2,818
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
2,819
exponents
easy
What is 11^2?
121
11^2 means multiply 11 by itself 2 times: 11*11 = 121.
exponents
2,820
arithmetic
easy
What is 826 + 858?
1684
Add the two numbers: 826 + 858 = 1684.
basic_operations
2,821
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
2,822
statistics
easy
What is the mean (average) of 97, 80, 70, 13, 82?
68.4
Mean = sum/count. Sum = 97+80+70+13+82=342. Count=5. Mean=342/5=68.4.
mean
2,823
word_problems
easy
If you have 69 apples and you buy 38 more apples, how many apples do you have in total?
107
Add initial 69 plus bought 38: 69+38=107.
addition_word
2,824
exponents
easy
What is 8^3?
512
8^3 means multiply 8 by itself 3 times: 8*8*8 = 512.
exponents
2,825
percentages
easy
What is 100% of 466?
466
Calculate 100/100 * 466 = 1.0*466 = 466.
percentages
2,826
calculus
medium
What is the derivative of 4x^2 with respect to x?
8x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [4x^2] = 4*2*x^1 = 8x.
derivative
2,827
statistics
easy
What is the mean (average) of 45, 60, 53?
52.67
Mean = sum/count. Sum = 45+60+53=158. Count=3. Mean=158/3=52.67.
mean
2,828
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
2,829
percentages
easy
What is 65% of 291?
189.15
Calculate 65/100 * 291 = 0.65*291 = 189.15.
percentages
2,830
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
2,831
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
2,832
percentages
easy
What is 1% of 922?
9.22
Calculate 1/100 * 922 = 0.01*922 = 9.22.
percentages
2,833
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
2,834
arithmetic
easy
What is 95 * 77?
7315
Multiply: 95 * 77 = 7315.
basic_operations
2,835
algebra
medium
Solve for x: x^2 - 11x + 24 = 0
x = 8, 3
Factor: (x - 8)(x - 3) = x^2 -(11)x + 24 = 0. So x = 8 or 3. Check sum = 11, product = 24.
quadratic
2,836
percentages
easy
What is 72% of 997?
717.84
Calculate 72/100 * 997 = 0.72*997 = 717.84.
percentages
2,837
calculus
medium
What is the derivative of 10x^3 with respect to x?
30x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^3] = 10*3*x^2 = 30x^2.
derivative
2,838
calculus
medium
What is the derivative of 1x^8 with respect to x?
8x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^8] = 1*8*x^7 = 8x^7.
derivative
2,839
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
2,840
calculus
medium
What is the derivative of 3x^7 with respect to x?
21x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^7] = 3*7*x^6 = 21x^6.
derivative
2,841
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
2,842
algebra
medium
Solve for x: x^2 - 9 = 0
x = 3, -3
Factor: (x - 3)(x - -3) = x^2 -(0)x + -9 = 0. So x = 3 or -3. Check sum = 0, product = -9.
quadratic
2,843
arithmetic
easy
What is 37812 / 92?
411
Divide: 37812 ÷ 92 = 411 because 92*411=37812.
division
2,844
calculus
medium
What is the derivative of 5x^8 with respect to x?
40x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^8] = 5*8*x^7 = 40x^7.
derivative
2,845
algebra
medium
Solve for x: x^2 + 4x = 0
x = 0, -4
Factor: (x - 0)(x - -4) = x^2 -(-4)x + 0 = 0. So x = 0 or -4. Check sum = -4, product = 0.
quadratic
2,846
arithmetic
easy
What is 96 + 27?
123
Add the two numbers: 96 + 27 = 123.
basic_operations
2,847
algebra
easy
Solve for x: 1x + 29 = 43
14
Subtract 29 from both sides: 1x = 43-29=14. Then divide by 1: x = 14/1 = 14.
linear_equation
2,848
arithmetic
easy
What is 94 * 17?
1598
Multiply: 94 * 17 = 1598.
basic_operations
2,849
number_theory
medium
What is the GCD (greatest common divisor) of 24 and 31?
1
Find greatest number dividing both 24 and 31. Divisors common, greatest is 1.
gcd
2,850
exponents
easy
What is 5^3?
125
5^3 means multiply 5 by itself 3 times: 5*5*5 = 125.
exponents
2,851
calculus
medium
What is the derivative of 5x^8 with respect to x?
40x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^8] = 5*8*x^7 = 40x^7.
derivative
2,852
arithmetic
easy
What is 3 * 82?
246
Multiply: 3 * 82 = 246.
basic_operations
2,853
arithmetic
easy
What is 3776 / 16?
236
Divide: 3776 ÷ 16 = 236 because 16*236=3776.
division
2,854
arithmetic
easy
What is 2900 / 20?
145
Divide: 2900 ÷ 20 = 145 because 20*145=2900.
division
2,855
arithmetic
easy
What is 80 + 507?
587
Add the two numbers: 80 + 507 = 587.
basic_operations
2,856
statistics
easy
What is the mean (average) of 53, 10, 63?
42
Mean = sum/count. Sum = 53+10+63=126. Count=3. Mean=126/3=42.0.
mean
2,857
arithmetic
easy
What is 704 - 216?
488
Subtract: 704 - 216 = 488.
basic_operations
2,858
word_problems
easy
If you have 25 dollars and you buy 12 more dollars, how many dollars do you have in total?
37
Add initial 25 plus bought 12: 25+12=37.
addition_word
2,859
arithmetic
easy
What is 81 * 78?
6318
Multiply: 81 * 78 = 6318.
basic_operations
2,860
arithmetic
easy
What is 8010 / 45?
178
Divide: 8010 ÷ 45 = 178 because 45*178=8010.
division
2,861
algebra
medium
Solve for x: x^2 - 4x - 12 = 0
x = 6, -2
Factor: (x - 6)(x - -2) = x^2 -(4)x + -12 = 0. So x = 6 or -2. Check sum = 4, product = -12.
quadratic
2,862
arithmetic
easy
What is 8086 / 26?
311
Divide: 8086 ÷ 26 = 311 because 26*311=8086.
division
2,863
algebra
easy
Solve for x: 7x - 4 = -95
-13
Add 4 to both sides: 7x = -95+4=-91. Then x = -91/7 = -13.
linear_equation
2,864
fractions
medium
What is 1/12 + 5/9? Give as simplified fraction.
23/36
Common denominator 12*9=108. 1/12=9/108, 5/9=60/108. Sum = 69/108 = 23/36 simplified.
fraction_operations
2,865
algebra
easy
Solve for x: 9x - 15 = 75
10
Add 15 to both sides: 9x = 75+15=90. Then x = 90/9 = 10.
linear_equation
2,866
fractions
medium
What is 3/13 - 18/11? Give as simplified fraction.
-201/143
Common denominator 143. Numerator 33-234=-201. So -201/143 simplifies to -201/143.
fraction_operations
2,867
statistics
easy
What is the mean (average) of 66, 52, 25, 33?
44
Mean = sum/count. Sum = 66+52+25+33=176. Count=4. Mean=176/4=44.0.
mean
2,868
algebra
medium
Solve for x: x^2 + 6x + 8 = 0
x = -4, -2
Factor: (x - -4)(x - -2) = x^2 -(-6)x + 8 = 0. So x = -4 or -2. Check sum = -6, product = 8.
quadratic
2,869
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
2,870
exponents
easy
What is 4^3?
64
4^3 means multiply 4 by itself 3 times: 4*4*4 = 64.
exponents
2,871
statistics
easy
What is the mean (average) of 58, 55, 77, 96?
71.5
Mean = sum/count. Sum = 58+55+77+96=286. Count=4. Mean=286/4=71.5.
mean
2,872
geometry
easy
Find the area of a circle with radius 40. Use pi=3.14159, round to 2 decimals.
5026.55
Area = pi*r^2 = 3.14159*40^2 = 3.14159*1600 = 5026.55.
circle_area
2,873
arithmetic
easy
What is 15563 / 79?
197
Divide: 15563 ÷ 79 = 197 because 79*197=15563.
division
2,874
number_theory
medium
What is the GCD (greatest common divisor) of 48 and 81?
3
Find greatest number dividing both 48 and 81. Divisors common, greatest is 3.
gcd
2,875
word_problems
easy
If you have 26 pencils and you buy 3 more pencils, how many pencils do you have in total?
29
Add initial 26 plus bought 3: 26+3=29.
addition_word
2,876
geometry
easy
Find the area of a triangle with base 53 and height 38.
1007
Area = 0.5*base*height = 0.5*53*38 = 1007.
triangle_area
2,877
number_theory
medium
What is the GCD (greatest common divisor) of 51 and 4?
1
Find greatest number dividing both 51 and 4. Divisors common, greatest is 1.
gcd
2,878
algebra
medium
Solve for x: x^2 - 3x = 0
x = 0, 3
Factor: (x - 0)(x - 3) = x^2 -(3)x + 0 = 0. So x = 0 or 3. Check sum = 3, product = 0.
quadratic
2,879
algebra
medium
Solve for x: x^2 + 2x - 3 = 0
x = 1, -3
Factor: (x - 1)(x - -3) = x^2 -(-2)x + -3 = 0. So x = 1 or -3. Check sum = -2, product = -3.
quadratic
2,880
arithmetic
easy
What is 673 + 221 * 48? Remember order of operations.
11281
Order of operations (PEMDAS): first 221*48=10608, then 673+10608=11281.
basic_operations
2,881
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
2,882
arithmetic
easy
What is 43 * 28?
1204
Multiply: 43 * 28 = 1204.
basic_operations
2,883
roots
easy
What is the square root of 225?
15
Find number that when squared gives 225. 15*15=225, so sqrt(225)=15.
square_roots
2,884
arithmetic
easy
What is 395 + 291?
686
Add the two numbers: 395 + 291 = 686.
basic_operations
2,885
arithmetic
easy
What is 10449 divided by 73? Give answer to 2 decimal places.
143.14
Calculate 10449/ 73 = 143.1370, rounded to 2 decimals is 143.14.
division
2,886
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
2,887
roots
easy
What is the square root of 169?
13
Find number that when squared gives 169. 13*13=169, so sqrt(169)=13.
square_roots
2,888
fractions
medium
What is 2/17 - 16/3? Give as simplified fraction.
-266/51
Common denominator 51. Numerator 6-272=-266. So -266/51 simplifies to -266/51.
fraction_operations
2,889
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
2,890
arithmetic
easy
What is 5192 / 59?
88
Divide: 5192 ÷ 59 = 88 because 59*88=5192.
division
2,891
calculus
medium
What is the derivative of 10x^3 with respect to x?
30x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^3] = 10*3*x^2 = 30x^2.
derivative
2,892
arithmetic
easy
What is 1 + 60 * 83? Remember order of operations.
4981
Order of operations (PEMDAS): first 60*83=4980, then 1+4980=4981.
basic_operations
2,893
calculus
medium
What is the derivative of 9x^2 with respect to x?
18x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^2] = 9*2*x^1 = 18x.
derivative
2,894
arithmetic
easy
What is 346 + 661?
1007
Add the two numbers: 346 + 661 = 1007.
basic_operations
2,895
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
2,896
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
2,897
number_theory
medium
What is the LCM (least common multiple) of 52 and 11?
572
LCM = |52*11| / GCD(52,11). GCD=1, so LCM=572/1=572.
lcm
2,898
statistics
easy
What is the mean (average) of 7, 51, 39, 90, 59?
49.2
Mean = sum/count. Sum = 7+51+39+90+59=246. Count=5. Mean=246/5=49.2.
mean
2,899
statistics
easy
What is the mean (average) of 16, 48, 80, 14, 4?
32.4
Mean = sum/count. Sum = 16+48+80+14+4=162. Count=5. Mean=162/5=32.4.
mean
2,900
percentages
easy
What is 7% of 846?
59.22
Calculate 7/100 * 846 = 0.07*846 = 59.22.
percentages