Number Series

Question: Which is the missing number in the below Number Series? 2, 3, 5, 7, 11, 13, ?, 19

Riddle Discussion

Similar Riddles

Question: When is 99 more than 100?

Question: You have a glass of water that looks about half full. How can you tell, only using the glass of water itself, if the glass is half full or not?

The glass is a right cylinder.

Question: Mr. Smith has 4 daughters. Each of his daughters has a brother.

How many children does Mr. Smith have?

Can you ? (medium)

Question: If 4+5=24 7+2=21 9+6=63 6+7=?

Riddle #170 (medium)

Question: How can you add 8 8's to make 1000?