You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Which fur should we be getting from the Lion?

Which letter of the alphabet has the most water?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?