Question

A sum of money becomes triple itself in 16 years. In how many years will it become 5 times at the same rate?

(a) 32

(b) 15  

(c) 27

(d) 30​

Answer 1

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Step-by-step explanation:

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Answer 2

Given

N1 = 3

N2=5

t1 = 16

(N1 - 1)/16 = (N2 -1)/t2

(3 -1)/16 = (5 -1)/t2

1/8 = 4/t2

t2 = 32

option B