In a graduate class of 200, 40% are women and $$\frac{1}{5}$$ become lecturers. If the number of men who become lecturer…

Population of a district is 2,96,000 out of which 1,66,000 are male. 50% of the population is literate. If 70% males are…

In 2 kg mixture of copper and aluminium, 30% is copper. How much aluminium powder should be added to the mixture so that…

Vinay decided to donate 5% of his salary. On the day of donation he changed his mind and donated Rs. 1687.50, which was …

The price of a certain item is increased by 15%. If consumer wants to keeps his expenditure on the item same as before, …

In a class, the no. of boys is more than the no. of girls by 12% of the total strength. The ratio of boys and girls is:

A shepherd had n goats in the year 2000. In 2001 the no. of goats increased by 40%. In 2002 the no. of goats declined to…

How much $$66\frac{2}{3}$$% of Rs. 312 exceeds Rs. 200 ?