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 .

Fill in the blanks. (i) The HCF of two co-prime numbers is P . (ii

1.	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
Answer» C. P Q R 0 prime 9