Question

an amount of Rupees 6480 has to be returned for a sum of rupees 5120 borrowed at 12.5% per annum compounded annually find the time after which this amount is returned​

Answer 1

Answer:

Step-by-step explanation:

LET THE TIME BE *

A=6480

R=25/2%

P=5120

therefore A=P(1+R BY 100)*

6480=5120(1+25/2/100)*

6480/5120=(1+1/8)*

81/64=(9/8)*

(9/8)²=(9/8)*

THEREFORE * = 2