Discussion

Explanation:

Since the numbers are in the ratio of 9 : 1, let the numbers be 9x and x.

Now, 

A.M. = (a + b)/2 = 5x and 

G.M. = √ab = 3x

Given, A.M. = G.M. + 6 

⇒ 5x = 3x + 6

⇒ x = 3

∴ The numbers are 27 and 3.

Hence, option (c).

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