The difference of two numbers is 15 % of their sum. the ratio of the larger number to the smaller number is: 

The marked price of a table is 130% of its cost price. A discount of 20% is given on the sale of the table. What will be the profit percentage?

15 litres of a mixture contains alcohol and water in the ratio 1 : 4 , If 3 litres of Water is mixed in it , the percentage of alochol in the new mixture will be : 

The difference between the value of the number increased by 20 % and the value of the number decreased by 25 % is 36. Find the number. 

There are 80 students in a class out of these 15% are girls. The monthly fee of each girl is Rs.350 and monthly fee of each boy is 38% more than each girl. What is the total fee of girls and boys in the class?

A number if required by 25% becomes 225. By what percent should be increased so that it becomes 375?

In a school, number of girls is 75% of number of boys. Difference between boys and girls is 30. On a particular day 20% girls were absent, then find the number of girls those who present? 

A number is decreased by 20% to get another number. The number so obtained is increased by 200% to get a third number. The difference of the third number and the original number is what percentage more or less than the difference of second and the third number?