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)

Bhavya opened a saving bank account in a bank on 7-7-2007 with a deposit of Rs.500 since then the neither deposited nor withdraw any amount. The amount, on which she receives interest if she closed her account on 1-1-2017, is "_________".

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.