Question

4) A man deposits Rs, 900 per month in a recurring deposit account for 2 years. If he gets 1800 as interest at the time of maturity, find the
rate of interest.

i.8 %
ii.10%​

Answer 1

Answer:

10%

Step-by-step explanation:

so according to formula

SI×100/P×T

1800×100/900×2

so we cancel

1800/900=2

so we multiply 2×100/2

200/2=is 100 so the answer is 10%

Answer 2

Step-by-step explanation:

Given,

principal amount = 900

Interest= 1800

time=2 years

To find,

Rate= ?

A/q,

Simple interest= p×r×t/100

=)1800 = 900 × r × 2 /100

=) 1800 = 1800 × r/100

=) 1800× 100 = 1800r

=) 1800x100/ 1800 = r

=) r= 100 percentage ( Ans)

Hope this will help you