Find the next number in the sequence

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

What do you call a fish without an eye?

Count the squares in the matchstick puzzle below?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.