What is the next number in this matchsticks series riddle?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

What does this below rebus puzzle mean?

What has many keys but can’t open a single lock?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

A man dies of old age on his 25 birthday. How is this possible?