Farzana's collection contains US, Bangladeshi and British stamps. If the ratio to US to Bangladesh stamp in 5: 2 and the ratio of Bangladeshi to British stamps in 5: 1. What is the ratio of US to British stamps?
A. ক 25:2
B. খ 5:2
C. গ 10:5
D. ঘ 15:2
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সঠিক উত্তরঃ
A.
ক 25:2
Explanation:
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