In how many years will a sum of money becomes double at 5% per annum SI? (a) 18 (b) 20 (c) 15 (d) None of these
Answers
Answered by
4
Answer:
(b) 20
Step-by-step explanation:
Let the sum of money be P and time be T.
Amount (A) = 2P
Simple Interest (SI) = A-P = 2P - P = P
Rate (R) = 5%
SI = PRT/100
=> P = P × 5 × T/100
=> 1 = 5/100 × T
=> T = 20 years
Answered by
1
Answer:
hence (B)20
Step-by-step explanation:
Let the sum of money be P and time be T.
Amount (A) = 2P
Simple Interest (SI) = A-P = 2P - P = P
Rate (R) = 5%
SI = PRT/100
=> P = P × 5 × T/100
=> 1 = 5/100 × T
=> T = 20 years
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