Can you replace the question mark with the correct number in the below table sequence?

What month of the year has 28 days?

What number do you get when you multiply all of the numbers on a telephone's number pad?

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

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

I shave every day, but my beard stays the same. What am I?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

A man dies of old age on his 25 birthday. How is this possible?

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?