Question

The time in which Rs 1800 amounts to Rs 2178 at 10% per annum,compounded annually is ?

Answer 1

2178 = 1800(1+10/100)^n (The formula is P(1+r/100)^n) 
2178/1800 = (1+10/100)^n
121/100 = (11/10)^n
(11/10)^2 = (11/10)^n

n = 2.

Answer 2

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