Question

At what rate of interest a certain sum will be doubled in 8 years?
(a) 8 p.c.pa.
(b) 10 p.c.pa
(c) 25/2 p.c.p.a.
(d) 15 p.c.p.a.​

Answer 1

Answer:

At what rate percent per annum will a sum of money double in 8 years. Rate = [(100 x P)/ (P x 8)]% = 12.5% per annum.

Answer 2

Answer:

Answer = C] 25/2 p.c.p.a

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