Sahrukh decided to quit his smoking habit one day, but he had 64 cigarettes with him. So he started smoking them one by one, to finish them. He had the habit of smoking only 1/4th  of it and leaving the rest butt. Latter he found out that by joining 4 butts he can form 1 cigarette. So, how many cigarettes in all he smoked.

See our previous ‘Puzzles of the Day’:  

Puzzle of the Day : 61
Puzzle of the Day : 60