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

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

What is at the end of a rainbow?

What can you hold in your right hand, but never in your left hand?

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

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

There is something which is always coming but never arrives?

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