If a commission of 10% is given on the list price, the gain is 20%.Find the gain per cent, if the cornmission is increased to 20%.

If a commission of 10% is given on the marked price of a book, the publiser gains 20%. If the commission is increased to 15%, the gain of publisher is:

If a discount of 10% is given to a customer on the marked price of an article, the gain of the trader is 20%. What will be the gain per cent of the trader if the discount is increased to 15%?

When a discount of 10% is given on markled price,the gain of trader is 20% What will be profit percentage,if a discount of 13% is given?

A man sold two radias at₹4800 each. On one he gains 20% and on the other he loses 20%.Find the gain or loss per cent in the whole transaction.