Question

answers this question no 12

Answer 1

Let The Amount be 6480
Principal=8000
Time=2 Years
Since Amount=Principal (1-R/100)^2 [In case of depreciation]
Therefore 6480=8000(1-R/100)^2
=6480/8000=(1-R/100)^2
=(18/20)^2=(1-R/100)^2
=R/100=1-(18/20)
=R/100=2/20=1/10
=R=1/10×100
=R=10%