There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

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?

Who always enjoys poor health?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

What is more useful when it is broken?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

Count the Triangle in the figure given below:

What word is pronounced the same if you take away four of its five letters?

By using 'because' continuously three times, can you make an English statement ?