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Question

Two numbers A and B are such that A > B and their G.M. is 40% lower than their A.M. Find the ratio between the numbers.
  1. 3 : 1
  2. 9 : 1
  3. 2 : 1
  4. 4 : 3


Solution

The correct option is B 9 : 1
Trial and error gives us that for option (b): With the ratio 9:1, the numbers can he taken as 9x and 1x. Their AM would be 5x and their GM would be 3x. The GM can be seen to be 40% lower than the AM. Option (b) is thus the correct answer.

 

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