The ratio of the weights of Monu and Sonu is 4 : 5 If the weight of Monu increases by 12 percent and the weight of Sonu increases by 16.5 percent, the total weight of both increases by 73.76 kg, then find the weight of both of them By what percent does it increase?

The following chart depicts the percentage of Educated  and Uneducated men and women in a city with a population of 2,50,000.

Differentiate between the number of Educated males and Educated females.

An article seller allows a discount of 10% on the marked price. He gets 30% commission from the publisher. What will be his profit percentage?

The number of pairs of natural numbers the difference of whose squares is 45 will be –

The value of $$ {\sqrt{x^{2}y}\over{\sqrt{xy^{2}}}}×\sqrt{y\over{x}}$$ is

If ABCDEF is a regular hexagon, then what is the value (in degrees) of ∠ADB? 

Two partners invest 1,25,000 and 85,000 respectively in business and agree that 60 % of the profit should be divided equally between them and the remaining profit is it be treated as interest on capital. If one partner gets 300 more than the other, find the total profit made in the business. 

A conical vessel of radius 6 cm and height 8 cm. is completely filled with water. A sphere is lowered into the water and its size is such that when it touches the sides, it is just immersed. The fraction of water that overflows is?