The compound interest on Rs. 20,480 at 6(1/4) per annum for 2 years 73 days, is:

The population of a town increased from 1, 75,000 to 2, 62, 500 in a decade. The average percent increase of population per year is?

A fan is listed at Rs. 1500 and a discount of 20% is offered on the list price. What additional discount must be offered to the customer to bring the net price to Rs. 1104?

John buys an old scooter for Rs. 4700 and spends Rs. 800 on its repairs. If he sells the scooter for Rs. 5800, what is his gain percent?

3.14% of 1250 - 1.5% of 2500 =? – 1.55

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.