In a factory 60% of the workers are above 30 years and of these 75% are male and the rest are females. If there are 1350…

A tree increases annually by $$\frac{1}{8}$$ of its height. By how much will it increase after $$2\frac{1}{2}$$ years if…

If the population of a town is 64000 and its annual increase is 10%, then its population at the end of 3 years will be :

Fresh grapes contain 80 percent water while dry grapes contain 10 percent water. If the weight of dry grapes is 250 kg w…

What percent of 7.2 kg is 18 gms ?

If 35% of A's income is equal to 25% of B's income, then the ratio of A's income to B's income is :

In an election 4% of the votes caste become invalid. Winner gets 55% of casted votes and wins the election by a margin …

If a = b × $$\frac{{d}}{{c}}$$; b, c and d are increased by 10%, then by how much does a increase ?