Find the next number in the sequence

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

What is the next number in the series?

15 29 56 108 208 ?

In a kingdom, King George did not allow any citizen to visit the world outside. Also, only a person with proper paperwork was allowed to enter or he was sent back. A wooden bridge was what connected the kingdom to the world. The king had appointed a sharpshooter who would check the every five minutes on the bridge to check. After checking, he would go back to his hut and return exactly after five minutes again. The bridge took 9 minutes to cross.

A merchant was able to escape the kingdom without harming the shooter. How?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

It belongs to you, but other people use it more than you do. What is it?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

The more you take me, the more you leave me behind.
Who Am I?