Which is faster, Heat or Cold ? Explain.

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

I add 5 to 9 and get 2. The answer is correct, so what am I?

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

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?