Jo's collection contains US, Indian and British stampsIf 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?

A5 : 1

B10 : 5

C15 : 2

D20 : 2

E25 : 2

25 : 2

Step-by-step explanation:

There are US, Indian and British stamps in Jo's collection. He has the US to Indian stamps in ratio 5 : 2 and the Indian to British stamp in ratio 5 : 1.

So, the ratio of US to Indian stamps is 5 : 2 i. e. (5 * 5) : (2 * 5) = 25 : 10

Again, the ratio of Indian to British stamps is 5 : 1 i. e. (5 * 2) : (1 * 2) = 10 : 2

Therefore, the ratio of stamps of the US to Indian to British will be 25 : 10 : 2.

Hence, the ratio of US to British stamps will be 25 : 2 (Answer)