1. In a school, total number of boys are 2/5of the number of girls. If the total number of students are 2884 then find the difference in between the number of boys and girls.

2.one custard recipe requires 1/2 cup of sugar. another recipe for the same custard requires 2 tablespoons of sugar. if 1 tablespoon is equivalent to 1/ 16 Cup how much more sugar does the first recipes require?

3. The present age of Shobha is equal to one fifth of her mother sudha's age. Twenty-five years later the age of Shobha will be 4 years less than half the age of her mother Sudha. Find their present ages.

4. A pharmacist found received 7/5times as many prescriptions for pain killers as he did for traquizers,if a certain day he received 72 prescription , then find the no. of prescription received for both type ?