There are 222 red balls in a basket. A boy takes out 6 red balls from it and replaces them by 12 white balls. He continues to do so, till all red balls are replaced by white balls. Then the number of white balls put in the basket is ______.
Arun has a certain sum deposited in a bank at 5% per annum. The bank increases the rate of interest from 5% to 6%. After increase in rates, Arun deposits ₹ 2000 more in his account. The annual interest received by him now is ₹ 220 more than before. Find his original deposit.