Find the number of squares in the below picture

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

What is the next number in the series?

15 29 56 108 208 ?

What is full of holes but still holds water?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

It is a 5 letter word if you take away first letter it is something you get from sun, if you remove second letter you will get something to eat, if you remove third letter you get a word you use in pointing at and if you remove the fourth letter you get something to drink. What is it?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

Which word does the below Plexor means ?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???