A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

How can one talk without saying a single word?

Who can jump higher than a Mountain?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

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

What is it?

What can you see in the middle of March and April that you can never see in any other month?