Question

In what time will the interest on a sum of money equal half the money at the rate of 8%.

Answer 1

let the principal be 100

interest = 100× 1/2

=50

principal =100
rate = 8%
time = ?
interest = 50

t= 100×SI
________
P × R

= 100 × 50
_________ =6year 3 months
100 × 8

amount = principal +intereste
100+50 =150