Question

on what annual rate of interest ,will rs400 become rs.478 in 1•5 years​

Answer 1

Answer:

Given,

P=400 , Time =1.5yrs=3/2yrs

Money after 1.5 yrs with interest =478

so,

Interest =478-400 =78

S.I. = (P*R*T)/100

78 = (400*R*3/2)/100

78 = R*6

R =78/6

R = 13

R=13%