Mr. Shashank’s saving bank account details are as follows:
DateParticularsWithdrawal(in Rs)Deposit(in Rs)Balances(in Rs)January 1st 2006B/F−−1270January 7th 2006By Cheque−23103580March 9th 2006To Self2000−1580June 26th 2006By cash−62007780June 10th 2006To Cheque4500−3280July 15th 2006By Clearing−26305910October 18th 2006To Cheque530−5380October 27th 2006 To Self2690−2690November 3rd 2006By Cash−15004190December 6th 2006To Cheque950−3240December 23rd 2006By Transfer−29206260
If he receives 198 as interest on 1st January, 2007, then what is the rate of interest paid by the bank?
3.68%
Principal for January = Rs 3580
Principal for February = Rs 3580
Principal for March = Rs 7780
Principal for April = Rs 7780
Principal for May = Rs 7780
Principal for June = Rs 3280
Principal for July = Rs 5910
Principal for August = Rs 5910
Principal for September = Rs 5910
Principal for October = Rs 2690
Principal for November = Rs 4190
Principal for December = Rs 6160
Total equivalent principal for 1 month = Rs 64550
Now, P = Rs 64550, I = Rs 198
T = 112 year
Rate % = (I×100)(P×T) = 198×100×12(64550×1) = 3.68%