Find the number of squares in the below picture

What is both possible and impossible at the same time?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Replace the question mark with the correct number in the below-given picture?