Do You See It?

Replace the question mark with the correct number in below Picture:

Can you count the number of squares in the figure below?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

If six children and two dogs were under an umbrella, how come none of them got wet?

Can it be possible to build a house that has all its four walls facing towards the South?

What month of the year has 28 days?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?