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Question
A page from the savings bank account of Mrs Ravi is given below.
| Date | Particulars | Withdrawal (Rs.) |
Deposit (Rs.) | Balance (Rs.) |
| April 3rd 2006 | B/F | 6000 | ||
| April 7th | By cash | 2300 | 8300 | |
| April 15th | By cheque | 3500 | 11800 | |
| May 20th | To self | 4200 | 7600 | |
| June 10th | By cash | 5800 | 13400 | |
| June 15th | To self | 3100 | 10300 | |
| August 13th | By cheque | 1000 | 11300 | |
| August 25th | To self | 7400 | 3900 | |
| September 6th 2006 |
By cash | 2000 | 5900 |
She closed the account on 30th September 2006. Calculate the interest Mrs Ravi earned
at the end of 30th September 2006 at 4.5% per annum interest. Hence, find the
amount she receives on closing the account.
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Solution
Since the interest is earned on the minimum balance between 10th day and the last day of the month as per entries, we have
Minimum balance for April = Rs. 8300
Minimum balance for May = Rs. 7600
Minimum balance for June = Rs. 10300
Minimum balance for July = Rs. 10300
Minimum balance for August = Rs. 3900
Minimum balance for September = Rs. 0
Total balance = Rs. 40400
⇒ Total amount qualifying for interest = Rs. 40400
⇒ Principle for 1 month `(1/12 year)` = Rs 40400
Rate of interest = 4.5% per annum
⇒ Interest = Rs `(40400xx4.5 xx 1/12)/100` = Rs 151.50
Amount = Balance in the account in last month + Interest
= 5900 + 151.5
= Rs 6051.50
Thus, Mrs Ravi receives Rs. 6051.50 on closing the account.
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