Question

1. Find the time in which a sum of money gets doubled at the interest rate of 8% per annum
please answer in step by step​

Answer 1

Answer:

Answer : Let the principal ( P ) = 3100 ..

Amount ( A ) = 100 x 2 = 3200

. : . S.I. = A - P = * 200 - 100 = 100 Rate ( R ) = 8 % p.a. .. Time = ( S.I. * 100 ) / ( PR ) = ( 100 x 100 ) / ( 100 8 ) = 25/2 = 12.1 / 2 Years