New York  - Burger King saw profits rise 42 per cent in the fourth quarter on longer operating hours and new products, the world's second-largest fast food chain said.

Profits for the quarter were 51 million dollars, or 37 cents per share, up from 36 million dollars, or 26 cents per share, in the year-earlier period.

Revenue rose 9 per cent to 646 million dollars, the Miami-based company said.

During the fiscal year, Burger King opened 282 new restaurants, adding to its more than 11,500 branches in 72 countries. (dpa)