Question

14. At what rate per cent simple interest will
a certain sum of money double itself in
20 years ?
(A) 4%
(B) 5%​

Answer 1

Step-by-step explanation:

let sum (principal) be x

si= x

time=20 yrs

rate = si ×100 = x × 100 = 5%

p×t. x × 20

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