1.

A sum of money lent on simple interest triples itself in 15 yr and 6 months. In how many year still it be doubled?

A. 6 yr and 3 months
B. 9 yr and 6 months
C. 7 yr and 9 months
D. 8 yr and 3 months
Answer» D. 8 yr and 3 months


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