A can do a piece of work in 15 days. B is 25% more efficient than A, and C is 40% more efficient than B. A and C work together for 3 days and then C leaves. A and B together will complete the work in:

A solid cube of side 8 cm is dropped into a rectangular container of length 16 cm, breadth 8 cm and height 15 cm which is partly filled with water. If the cube is completely submerged, then the rise of water level (in cm) is:

Some men can do a piece of work in 60 days. If there are 8 more men, the work can be completed in 10 days less. What was the number of men in the beginning?

If a 50 liters mixture of milk and water is in the ratio of 3 : 2. After removal of 10 liters mixture, 12 liters milk and 12 liters water is added into the mixture. Find the final ratio of water and milk in the mixture.

If three persons A, B and C invested in a business in the ratio 10 : 15 : 8 for 8 months, 6 months and 12 months respectively. If the total profit earned at the end of the year is Rs.2660 find the Share of B (in Rs.) in the total profit-

Each side of an equilateral triangle is 6 cm. Find its area.

The two vowels touch each other internally. Their radii are 2 cm and 3 cm. What will be the length of the largest chord of the bigger circle outside the inner circle?

Directions : The expenses of a country for a particular year is given in Pie–Chart. Read the Pie– Chart and answer the questions.

The percent of less money spent on nonplan than that on defense is