A snail climbs 3 feet per day but slips 2 feet at night. How many days to climb 10 feet?
8 days
The answer
Net 1 ft/day. After 7 days: 7 feet. Day 8: climbs 3 to reach 10 feet. Done on day 8.
Source: Verified
- logic-riddles
More from Logic & Riddles
- A bat and ball cost $1.10. The bat costs $1 more than the ball. What does the ball cost?
- If 5 machines take 5 minutes to make 5 widgets, how long for 100 machines to make 100 widgets?
- A lily pad doubles in size every day. It covers the lake in 48 days. When was it half covered?
- You have two ropes that each take 1 hour to burn (unevenly). How do you measure 45 minutes?
- A farmer has 17 sheep. All but 9 die. How many are left?
- Two fathers and two sons go fishing. They catch 3 fish, one each. How?