*72.9k views**47 ratings**0 saves*

**Question: **You have a flashlight that takes 2 working batteries. You have 8 batteries but only 4 of them work.

What is the fewest number of pairs you need to test to guarantee you can get the flashlight on?

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**Question: **Hard, Harder, and Hardest are brothers. By age from youngest to oldest, it goes Hard, Harder, Hardest. Hard is half the age of Hardest who is 20 which means hard is 10. Harder has a two-year difference between the number of years older he is than Hard and the number of years younger he is than Hardest. Harder is closer to the age of Hard than Hardest. How old is Harder?

*4.8M views**5485 ratings**33 saves*

**Question: **What tastes better than it smells?

*3.2M views**3503 ratings**23 saves*

**Question: **What goes in the water black and comes out red?

*2.6M views**3095 ratings**32 saves*

**Question: **What loses its head in the morning and gets it back at night?