If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Decode below three cipher riddles:

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

What does below chemistry rebus means?

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?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

Replace the question mark in the picture below.

You see me once in June, twice in November, and not at all in May. What am I?