Find the next number in the sequence

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

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

Bay of Bengal is in which state?

Why Wine Glass Stem is so long?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

How many words can a pen with half refill write?

What does an Island and the letter T have in common?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

If we tie a Sheep to one peg, a circled grass is been eaten by the Sheep. If we tie the Sheep to two pegs with a circle on its neck, then an eclipse is eaten out of the grass by the Sheep. If we want an eclipse then we put two pegs and then put a rope in between them and the other end of the rope is tied up on the Sheep's neck.

How should we tie the peg and the Sheep so that a square is eaten out from the garden grass? We only have one Sheep rope and the peg and the rings.