In a class, the average score of girls in an examination is 73 and that of boys is 71. The average score for the whole class is 71.8. Find the percentage of girls. 

The income of C is 20 % more than B's and the income of B is 25 % more than A’s. Find by how much percent is C's income more than A’s? 

A team played 40 games in a season and won 24 of them. What percent of games played did the team win? 

The passing score of an exam is 33 percent. Anshul scored 160 marks but failed by 38 marks. Then what percentage marks Anshul got.

A man spends 80% of his income. His income is increased by 20% and he increase his expenditure by 10%. His saving are increased by:

If the present population of a village is 55,566, which was 35000 2 years ago, then find the rate of increase of population per year.

The ratio of 45% of 80% of A to 30% of 40% of B is 15: 4. If the average of A and B is 67.5, what is the value of AB?

In a school 40% of the students play football and 50% play cricket. If 18% of the students neither play football nor cricket, the percentage of the students playing both is: