Govind opened a bank account on `1-4-2006` by depositing Rs. 3000. He deposited Rs. 1000 on `11-4-2006` and withdrew Rs. 500 on `15-4-2006.` Compute the interest paid by the bank for the month of April, if the rate of interest is `4%` per annum.

Charan opens a savings bank account on 6-3-2007 depositing Rs. 750 in Union Bank of India. He deposit Rs.1000 on 15-3-2007 and withdraws Rs. 500 on 23rd March. The sum on which he will earn interest for the month of March is "_________".

Akshit opened a savings bank account in a bank on 13-2-2007 with a deposit of Rs.1000. He again deposited Rs.1000 on 9-3-2007. Find the amount on which he receives interest, if he closes his account on 31-3-2007.

Anil opened a saving bank account with a bank on 12-3-2006 with an initial deposit of Rs.1000. He withdrew Rs.300 on 18-3-2006. the amount, on which he should receive interest for the month of March 2006 is "_____" (where the minimum balance of an account is Rs.1000)

Farhan opens a savings bank account on 5-5-2007 in UTI Bank by depositing Rs.1000. The interest paid by the band, if the closed her account on 4-1-2008, is "_______". (Rate of interest is 6% per annum)