Playing with Nu...

Which of the following statements is/are correct?

(I) The number of factors of a given number is finite. 
(II) The number of multiples of a given number is finite.

If b > a, what is the difference between the numbers bca and acb?

Which of the following statements is/are true?

(I)  Every factor is greater than or equal to the given number. 
(II) Every multiple of a number is less than or equal to that number.

What is the factor of a number? 

Find the missing digit such that the given number is divisible by 11.

8__9484

Which of the following statements is/are correct?

(I)  All prime numbers are odd.
(II) 2 is the only even prime number.

A number for which the sum of all its factors is equal to twice the number is called a/an

If a number 8P97546 is divisible by 3, which of the following can be the value of P?

A number is divisible by 3 if 

If the number 4765PQ2 is divisible by 3, find the least and the greatest value of P and Q, respectively.

Find the least number which when divided by 6, 15 and 18 leaves a remainder of 5 in each case.

A number which has exactly two factors: 1 and the number itself, is called a/an

Which of the following numbers are divisible by 5?

97, 85, 40, 39, 64, 51

The number 36 is divisible by

Which of the following options represents 36 as the sum of two prime numbers?