A sum of money is borrowed and paid back in two annual installments of Rs. 882 each allowing 5% compound interest. The sum borrowed was:

If the rate increases by 2%, the simple interest received on a sum of money increases by RS. 108. If the time period is increased by 2 years, the simple interest on the same sum increases by Rs. 180. The sum is:

A material is purchased for Rs. 600. If one fourth of the material is sold at a loss of 20% and the remaining at a gain of 10%, Find out the overall gain or loss percentage?

What strength of 20 ml acid should be added to 10 ml of 50% acid to get an average strength of 20% acid?

 Find the selling price of an article if a shopkeeper allows two successive discounts of 5% each on the marked price of Rs. 80.

If the price of petrol increases by 25% and Raj intends to spend only an additional 15% on petrol, by how much % will he reduce the quantity of petrol purchased?

A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is

Anuradha purchased 30 kg of rice at the rate of Rs 11.50 per kg and 20 kg of rice at the rate of Rs 14.25 per kg. She mixed the two and sold the mixture. Approximately at what price per kg should she sell the mixture to make 30 per cent profit

The price of a VCR is marked at Rs. 12,000. If successive discounts of 15%, 10% and 5% be allowed, then at what price does a customer buy it?

What annual payment will discharge a debt of Rs. 1025 due in 2 years at the rate of 5% compound interest?