A person gave 20% of his income to his elder son, 30% of remaining to the younger son and 10% of the balance, he donate …

The average weight of a class of students is 67.5 kg. The weight of the class teacher is 25% more than the average weigh…

30% of a number when subtracted from 91, gives the number itself. Find the number.

If two numbers are respectively 30% and 40% more than a third number, what percent is the first of the second?

When 125 is subtracted from a number, it reduces to its 37.5 percent. What is 25 percent of that number ?

When the price of an article was reduce by 20%, its sale increased by 80%. What was the net effect on the sale ?

What percent of 7.2 kg is 18 gms ?

In Sabarmati Express, there as many wagons as there are the no. of seats in each wagon and not more than one passenger c…