The banker's gain of a certain sum due 2 years hence at 10% per annum is Rs. 24. What is the present worth?

Mr. Thomas invested an amount of Rs. 13,900 devided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508. What was the amount invested in Scheme B?

A sum of Rs. 2600 is lent out I two parts in such a way that the interest on one part at 10% for 5 years is equal to that on another at 9% for 6 years. The sum lent out at 10% is

Two shopkeepers announce the same price of Rs. 700 for a sewing machine. The first offers successive discounts of 30% and 6% while the second offers successive discounts of 20% and 16%. The shopkeeper that offers better discount, charges…………less than the other shopkeeper.

What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?

3 litre of water is added to 11 litre of a solution containing 42% of alcohol in the water. The percentage of alcohol in the new mixture is

Successive discounts of 20% and 15% are equivalent to a single discount of

If 75% of a number is added to 75, the result is the number itself, then the number is

If selling price of an article is Rs. 250, profit percentage is 25%. Find the ratio of the cost price and the selling price

The sales of a company increased for two years by 10% each year and in the third year it decreased by 5%. Again, it increased by 10% each year for two years and then it decreased by 5% in the third year. What will be the effect from 1997-2001? (Give approximate answer)