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

During which month do people sleep the least?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

What is the last thing you take off before bed?

Can you find out the missing number in the grid?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?