You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

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?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

Can you count the number of children in the picture below

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

What number do you get when you multiply all of the numbers on a telephone's number pad?

Which English verb becomes past tense just by rearranging the letters?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?