The difference of two numbers is 20 % of the larger number. If the smaller number is 20, the larger number is:

A number, on subtracting 15 from it reduces to its 80 %. What is 40 % of the number? 

 A student scored 32 % marks in science subjects out of 300. How much should he score in language papers out of 200 if he is to get overall 46 % marks? 

A table is sold at a profit of 20%. If both the cost price and the selling price of the table are decreased by Rs. 100, then new profit percent becomes 25%.Find the original cost price of  table.

What percentage of the whole week does Ajay spend in office, if his office hours are 9 am to 5 pm from Monday to Friday? 

Sandeep's salary is 20% more than that of Aron. If Sandeep saves Rs.720 which is 4% of his salary, then Aron's salary (in Rs.) is

In an office, 40 % of the staff is female. 70 % of the female staff and 50 % of the male staff are married. The percentage of the unmarried staff in the office is 

If the radius of a circle is decreased by 50%, its area is reduced by