For the following questions answer them individually
An article was sold for Rs. 2,400 at a discount of 20%. Find the selling price, if the discount was 25%.
The name of the space shuttle, which carried the Indian born Kalpana Chawla into space was
A tank can be filled in 30 minutes. There is a leakage which can empty the tank in 90 minutes. Therefore, the tank will be filled in