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Subject :IMO    Class : Class 6

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 1 prime 3
B 1 co-prime 9
C 0 prime 9
D 0 co-prime 3

Ans 1:

Class : Class 7
(ii) does not mention anything about the two natural numbers being consecutive, hence, 'co-prime' is not the correct inference.

Ans 2:

Class : Class 6
I stick with Amika

Ans 3: (Master Answer)

Class : Class 1

The correct answer is option B. 

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