A hobo picks up cigarette butts from the ground and can make a cigarette with 4 butts

A hobo picks up cigarette butts from the ground and can make a cigarette with 4 butts. If he finds 16 cigarette butts, How many cigarettes can he make?

1. 5

2. 4

3. 6

4. 8

Correct Option: Option A,

5

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He makes 4 cigarette with 1 butts. Then he can smoke them make another 4 butts and convert them to 1 more cigarette. Hence in total he can make 5 cigarettes.