Find the amount that is left in the student's bank account, if he has made the following transaction in a month. His initial balance is ₹690: If another withdrawal ₹300, what would the balance be?

Find the amount that is left in the student's bank account, if he has made the following transaction in a month. His initial balance is ₹690: Withdrawal (-) of ₹500.

Find the amount that is left in the student's bank account, if he has made the following transaction in a month. His initial balance is ₹690: Withdrawal (-) of ₹350.

Find the amount that is left in the student's bank account, if he has made the following transaction in a month. His initial balance is ₹690: Deposit of ₹485.

Find the amount that is left in the student's bank account, if he has made the following transaction in a month. His initial balance is ₹690: Deposit (+) of ₹89.

Kalaivani had ₹ 5000 in her bank account on 01.01.2018. She deposited ₹2000 in January and withdrew ₹700 in February. What was Kalaivani's bank balance on 01.04.2018, if she deposited ₹1000 and withdraw ₹500 in March.

A town has a population of 1 million. The average electric power needed per person is 300W. A reactor is to be designed to supply power to this town. The efficiency with which thermal power is converted into electric power is aimed at 25%.(a) Assuming 200 MeV of thermal energy to come form each fission event on an average, find the number of events on an place every day. (b) Assuming the fission to take place largely through U^235 , at what rate will the amount of U^235 decrease ? Express uour answer in kg per day. (c) Assuming that uranium enriched to 3% in U^235 will be used, how much uranium is needed per month (30 days)?

A person deposits Rs. X in savings bank account at the rate of 5% per annum and Rs. Y in fixed deposit at 10% per annum. At the end of one year, he gets Rs. 400 as total interest. If he deposits Rs. Y in savings bank account and Rs. X in fixed deposit, he would get Rs. 350 as total interest. Find the total amount he deposited.