Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

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

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

How many letters are in the alphabet?

What is the next number in the series?

15 29 56 108 208 ?

What is more useful when it is broken?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

How many letters are in the alphabet?