Which is faster, Heat or Cold ? Explain.

Count the Triangle in the figure given below:

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

A landlord calls both of his sons and tells them that their horses will now decide who will transfer the inheritance. He tells them to race along the land till the end and the one whose horse will be slower will win and be the heir to all the property.

Both of them keep wandering for days but to no result. Then they ask a wise man regarding it. The man advises them on the matter after which they jump on the horses and race as fast as they can till the end. Why did they do it?

What did the wise man say?

How many triangles can you find in this given picture?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Which alphabet letter is a question?