Find the next number in the sequence

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

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

What Does this text mean:

important=important

How many times can you subtract the number two from the number fifty?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

What breaks yet never falls, and what falls yet never breaks?

Can you find out the total number of triangles in the given figure?

Can you place six X (crosses) in below board without making three in a row in any way ?

I can write cow in 13 letters.

Can You?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?