What kind of band never plays music?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

What work can one never finish?

Can you count the number of lines in the below picture?

What building has the most stories?

Can you place six X (crosses) in below board without making three in a row in any way ?

What has 88 keys?

What has one letter and starts with an E?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?