Basics of Finan...

At what rate percent per annum will a sum of Rs. 2000 amount to Rs. 2205 in 2 years at compound interest?

A certain sum is interested at compound interest . The interest occurred in the first two years is Rs. $$272$$ and that in the first three years is Rs. $$434$$. Find the rate % ?

$$A$$ borrowed Rs. $$2,500$$ from $$B$$ at $$12$$% per annum compound interest. After $$2$$ years, $$A$$ gave Rs. $$2,936$$ and a watch to $$B$$ to clear the account. Find the cost of the watch.

Calculate the compound interest for the third year on Rs. $$15,000$$ invested for $$5$$ years at $$10\%$$ per annum.

Calculate the compound interest for the second year on Rs. $$16,000/-$$ invested for $$3$$ years at $$10$$% per annnum.

Calculate the principal when time $$= 10$$ years, interest = Rs. $$3000$$; rate $$= 5\%$$ p.a.

If the compound interest on sum of Rs. $$29000$$ for $$2$$ years  is Rs. $$9352.5$$ Find the rate of interest.

Ajay had purchased a second hand scooter for Rs. $$18000$$ and spent Rs $$1800$$ for repairs. After $$1$$ year he wanted to sell the scooter. At what price should he sell it to gain $$\cfrac{100}{9}$$ % , if $$\cfrac {100}{11}$$ % is to be deducted at the end of every year on account of depreciation?

The annual production in cement industry is subject to business cycles. The production increases for two consecutive years consistently by 1818?

Calculate the compound interest for the final year on Rs. $$15,000$$ invested for $$4$$ years at $$10$$% per annum.