required urgent solution please

Question - 1 (3 marks) Nasir borrows Rs.5,500 at an interest rate of 9% per year, compounded semiannually on each July I and January 1. He plans to make his loan payment of Rs.650 at the end of each semiannual period. Assume that today is January 1, 2021 and Nasir will make first loan payment on July, 2021, then how long will it take to completely repay the loan? Question-2 (2 marks) Shoaib Malik hit 50 runs in December 2014. If his run output grew at 10% per year, what would it have been in December 2007 Question-3 (5 marks) You want to purchase computer system for your newly established business. The system you desire to purchase is priced at Rs. 50,000. At store sales person offers you that instead of buying at full price today, you can divide your payment over 2 years. If you accept the installment plan, you will have to pay Rs. 50,000+ 24 per month plus an administrative fee of Rs.40 per month to be added to your monthly bill. If the on-going interest rate is 18%, which option do you thinks is better for you