Question

3. Mohan deposits 80 per month with a post
office in a cumulative deposits scheme for six
years. Find the amount payable to him on
maturity, if the rate of interest is 6% per
annum.
[ICSE 2006]​

Answer 1

Mark me brainlist the answer is on the bottom

Step-by-step explanation:

Let the monthly installment be P

Given, monthly installment Rs.=80, r=6%, n=6×12=72

We know, Interest =  

2400

Pn(n+1r)

​  

 

=  

2400

80×72×73×6

​  

 

=  

5

5256

​  

 

Required amount =Pn+52565

=80×72+  

5

5256

​  

 

=28800+  

5

5256

​  

 

=6811.20

Answer 2

ANSWER

$Rs = 6811.20$

REFER TO ATTACHMENT....XD

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