When monkey rotate the gear, which mark will be hit 1 or 2 ?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

There are forty elephants and they have forty-fore heads. How can this be possible?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Why is the longest human nose just 11 inches?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

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

What is next number in the pattern below:

131 517 192 123 ?

Can you find out the remainder when 3^300 is divided by 5?