What does this rebus riddle means ?

What seven-letter word has hundreds of letters in it?

12345 a famous South Indian actor
567 is a path in jumbled form
8 & 10 are same letters
9 is one among the first six alphabets.
WHO AM I?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

How do you go from 98 to 720 using just one letter?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?