Raju sells a watch at 5% profit. Had he sold it for ₹ 24 more he would have gained 11%. Find the cost price of the watch.

A wrist watch is available at a discount of 9%. If the list price of the watch is ₹ 1,400, find the discount given and the selling price of the watch.

A shopkeeper buys an article for ₹ 450. He marks it at 20% above the cost price. Find :

(i) the marked price of the article.

(ii) the selling price, if he sells the article at 10 percent discount.

(iii) the percentage discount given by him, if he sells the article for ₹ 496.80.