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Math
Reza's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 is to 2 and the ratio of Indian to British stamps is 5 is to 1, what is the ratio of US to British stamps
A) 5:01
B) 10:05
সঠিক উত্তর
C) 15:02
D) 25:02:00