Mohan deposits Rs2,000 in his bank account and withdraws Rs1,642 from it the next day. If withdrawl of amount from the account is represented by a nagative integer, then how will you represent the amount deposited? Find the balance in Mohan's account after the withdrawal.

A man deposited Rs 10000 in a bank at the rate of 5% simple interest annually. Find the amount in 15^(th) year since he deposited the amount and also calculate the total amount after 20 years.

A man deposited Rs 10000 in a bank at the rate of 5% simple interest annually. Find the amount in 15^(th) year since he deposited the amount and also calculate the total amount after 20 years.

A fair coin is tossed four times, and a person win Re 1 for each head and lose Rs 1.50 for each tail that turns up. From the sample space calculate how many different amounts of money you can have after four tosed once. Find the probability of getting.

In which of the following situations, does the list of numbers involved make arithmetic progression, and why ? The amount of money in the account every year, when Rs.10,000 is deposited at compound interest at 8% per annum.

Arif took a loan of ₹80,000 from a bank.If the rate of interest is 10% per annum,find the difference in amounts he would be paying after 1 1/2 years if the interest is: (i) compounded annually.(ii)Compounded half yearly.

Form the pair of linear equations in the following problems, and find their solutions (if they exist) by the elimination method : Meena went to a bank to withdraw Rs. 2,000. She asked the cashier to give her Rs. 50 and Rs. 100 notes only. Meena got 25 notes in all. Find how many notes of Rs. 50 and Rs. 100 she received.