Solve below rebus puzzle?

What does below pictogram mean?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

What English word has three consecutive double letters?

Replace the question mark with the correct number.

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?