Number Theory : Multiples

Question 1

I am between 50 and 100.I am multiple of 11, but not a multiple of 2. What am I?

Accepted Answer

All Of The Above

Question 2

How many positive two digit integers are both factors of 100 and 150

Accepted Answer

3

Question 3

X is the least multiple of 11 that is greater than 1,000. What is X

Accepted Answer

1,001.000, 1,001

Question 4

What is the smallest positive multiple of 6 that is also a multiple of 8?

Accepted Answer

24

Question 5

How many different values of x will make this true: there are only 2 two-digit multiples of x .

Accepted Answer

16

Question 6

What is the largest multiple of 9 which is smaller than -70 ?

Accepted Answer

-72

Question 7

What is that the 5th multiple of 6?

Accepted Answer

30

Question 8

What is the largest multiple of 7 less than 50?

Accepted Answer

49

Question 9

What is the value of M + N if M is the 5th factor of 24 and N is the 1st multiple of 24

Accepted Answer

7

Question 10

Let m and n be the greatest and least three-digit multiples of 7, respectively. What is m+n?

Accepted Answer

1,099

Questions 10