Question

4.
Yash Pal Malhotra has a taste for stamp
collections. His collection contains US,
Indian and British stamps. If the ratio of
US to Indian stamps is 5 to 2 and the
ratio of Indian to British stamps is 5 to 1,
what is the ratio of US to British stamps?​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Let US, Indian and British stamps be 'a', 'b' and 'c'

Ratio of a to b = 5:2 or 5/2

Ratio of b to a = 5:1 or 5/1

Ratio of a to c = a:c = a/b × b/c

= 5/2 × 5/1

= 25/2

Therefore, Ratio of US to Bristish stamps = 25: 2