When we see 2 but call 10?

Can you make a fire with just a single stick?

What has 88 keys?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Three people enter a room and have a green or blue hat placed on their heads. They cannot see their own hat but can see the other hats.
The colour of each hat is purely random. They could all be green, blue, or any combination of green and blue.
They need to guess their own hat colour by writing it on a piece of paper, or they can write 'pass'.
They cannot communicate with each other in any way once the game starts. But they can have a strategy meeting before the game.
If at least one of them guesses correctly they win $10,000 each, but if anyone guesses incorrectly they all get nothing.
What is the best strategy?

Which five letter word can be added at the end of below word to form a
valid word?

> Pin
> Check
> Boiling
> View

How many times in a given day, minutes and hour clock comes in a straight line ?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

Next Number in the Series,

5, 16, 49, 104, ?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?