Which is faster, Heat or Cold ? Explain.

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

Decode this picture on T-Shirt and tell what it says ?

Can you solve the below geography rebus by decoding the below rebus ?

What does below rebus means ?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

What does the rebus below mean?

TEN BADTION

What you cannot hold but it is yours?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?