6th Class Mathematics Playing with Numbers Question Bank Playing with Numbers

Fill in the blanks.

(i) The HCF of two co-prime numbers is   P .

(ii) Two natural numbers which have no common factor except 1 are called Q    numbers.

(iii) If a number is divisible by 9 then sum of its digits must be divisible by   R .

A)

P Q R

1 prime 3

B)

P Q R

1 co-prime 9

C)

P Q R

0 prime 9

D)

P Q R

0 co-prime 3

Correct Answer: B