1.

Joythi opened a RD account with a Nationalised bank for a peris2 years, if the bank pays interestat the rate of Opper annum andthe monthly instalment is Rs 1000.Find the n interest earned in 2yearsii) Matured ValueRs. 1000, RS. 14,500Rs. 1500, RS. 25,500Rs.1200, Rs. 25,500Rs. 1500, RS. 20,500​

Answer»

GIVEN p=rs1000,n=2years=24months,r=6%

I=p×n(n+1)/2×r/12×100

=1000×24(24+1)/2×6/12×100

=1000×24×25/2×6×12×100

=rs1,500

Total money deposit in 24months rs1000×24

=RS 24000

Matured VALUE =total sum deposit+interset

=rs 24000+rs1500

= rs 25,500



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