Quantitative

Question 1

What are the prime numbers from 1-40?

Answer 1

2,3,5,7,11,13,17,19,23,29,31,37

Question 2

What are the rules of numbers divisible by 3?

Answer 2

If the digits in the number add up to a multiple of 3.

Question 3

What are the rules of numbers divisible by 4?

Answer 3

If the final 2 digits would be themselves be divisible by 4. 2544 and 44 are both divisible by 4.

Question 4

What are the rules of numbers divisible by 6?

Answer 4

If it is divisible by both 2 and 3

Question 5

What are the rules of numbers divisible by 7?

Answer 5

Use long division to check it.

Question 6

What are the rules of numbers divisible by 8?

Answer 6

If the final 3 digits by themselves would be divisible by 8. 2216 is divisible by 8 because 216 is divisible by 8.

Question 7

What are the rules of numbers divisible by 9?

Answer 7

If the digits within the number add up to a multiple of 9. 495 is divisible because 4+5+9 = 18

Question 8

What are the exponents of 2?

Answer 8

2, 4, 8,16,32,64,128,256,512,1024

Question 9

What are the exponents of 3?

Answer 9

3,9,27,81,243,729

Question 10

What are the exponents of 5?

Answer 10

5,25,125,625,3125

Question 11

What are the exponents of 6?

Answer 11

6,36,216,1296

Question 12

What are the exponents of 7?

Answer 12

7,49,343,2401

Question 13

12x12=

Answer 13

144

Question 14

13x13

Answer 14

169

Question 15

14x14

Answer 15

196

Question 16

15x15

Answer 16

225

Question 17

20x20

Answer 17

400

Question 18

25x25

Answer 18

625

Question 19

30x30

Answer 19

900

Question 20

40x40

Answer 20

1600

Question 21

50x50

Answer 21

2500

Question 22

100x100

Answer 22

10,000

Question 23

What is the formula for the Sum of the Numbers?

Answer 23

(Average of the numbers)(number of numbers)=

Question 24

What is the formula for the Average of the numbers?

Answer 24

=(biggest+smallest)/2

Question 25

What is the formula for the Number of numbers?

Answer 25

=((biggest-smallest)/spacing)+1

Question 26

What does x^2-25 factor out to?

Answer 26

(X+5)(x-5)

Question 27

What is the square root of 2?

Answer 27

About 1.4

Question 28

What is the square root of 3?

Answer 28

About 1.7

Question 29

What is the square root of 5?

Answer 29

About 2.2

Question 30

What is the percent formula?

Answer 30

(Is/of)=(percent/100)

Question 31

What is the formula for percent change?

Answer 31

((New-old)/old)x100

Question 32

What is 1/2 as a decimal?

Answer 32

0.5

Question 33

What is 1/3 as a decimal?

Answer 33

1.3333333...

Question 34

What is 2/3 as a decimal?

Answer 34

0.66666666...

Question 35

What is 1/6 as a decimal?

Answer 35

1.66666...

Question 36

What is 5/6 as a decimal?

Answer 36

0.83333...

Question 37

What is 1/8 as a decimal?

Answer 37

0.125

Question 38

What is 3/8 as a decimal?

Answer 38

0.375

Question 39

What is 5/8 as a decimal?

Answer 39

0.625

Question 40

What is 7/8 as a decimal?

Answer 40

0.875