Find the next number in the sequence

5 12 24 36 ?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

How can a man go eight days without sleep?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you make four (4) nines (9) equal 100?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

A family is trapped in a jungle. There is a bridge which can lead them to safety. But at one time, the bridge can only allow two people to pass through. Also, all of them are afraid of the dark and thus, they can't go alone.

Father takes 1 minute to cross, the mother takes 2 minutes, the son takes 4 and the daughter takes 5 minutes. While crossing the time taken will be according to the slower one. How can they all reach the other side in the minimum possible time?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

Find the number of squares in the below-given picture.