The amount of money in the account every year, when Rs 10000 is deposited at compound interest at 8 % per annum.

In which of the following situations, does the list of numbers involved make an arithmetic progression, and why? (i) The taxi fare after each km when the fare is Rs 15 for the first km and Rs 8 for each additional km. (ii) The amount of air present in a cylinder when a vacuum pump removes 1/4 of the air remaining in the cylinder at a time. (iii) The cost of digging a well after every metre of digging, when it costs Rs.150 for the first metre and rises by Rs. 50 for each subsequent metre. (iv) The amount of money in the account every year, when 10000 is deposited at compound interest at 8 % per annum.

Find the amount of Rs 2400 after 3 years, when the interest is compounded annually at the rate of 20% per annum.

What will be the compound interest on Rs 4000 in two years when rate of interest is 5% per annum?

What sum of money will amount to Rs 5,445 in 2 years at 10% per annum compound interest?

The maturity of a cumulative deposite amount is Rs 31,800 in 2 years. If the rate of interest is 10% per annum, find the monthly instalment of this deposit.

What sum of money will amount to Rs 3,630/- in 2 years at 10% per annum compound interest

What sum of money will amount to Rs 3,630/- in 2 years at 10% per annum compound intrest