What is the difference between a jeweller and a jailer?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Which tank will fill first?

What's the only room from which no one can enter or leave

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

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Give it food and it will live; give it water and it will die.

Find The Odd One Out

1. FLOW
2. SNIP
3. TRAP
4. DRAW
5. BACK

What does this Rebus Picture mean?