Brain Storm Puzzle
Rahul, Jeev, Louis and Krithika wants to cross the bridge at night. They have only one torch light with them. Only two can cross the bridge at a time. They need torch light to cross the bridge. Each of them walks at a different speed. Rahul needs 1 minute, Jeev needs 2 minutes, Louis needs 5 minutes and Krithika needs 10 minutes. A pair must walk together at the rate of the slower person. How can these people cross the bridge within 17 minutes?