Question

sum of 400 amounts to 490 in 2 years 3 months what will be the amount if rate is increased by 2 %​

Answer 1

Step-by-step explanation:

Given: Principal=Rs.800,Amount=Rs.920,T=3years

Simple interest =920−800=120

∴ Rate % =

800×3

120×100

=5%

If rate % is increased by 5%, i.e., if rate % = 10%, then

SI=

100

800×3×10

=240

∴Amount=Rs.800+Rs.240=Rs.1,040