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

Can you solve below mathematical equation?

2^1234 - 2^1233

Find the number of squares in the below-given picture.

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

What is the word or phrase below?
R | E | A | D

What number comes next in this sequence:
7 8 5 5 3 4 4 _

How can you tell a raw egg from a hard-boiled egg?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

Can you place three balls such that the equation shown in the picture holds true?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?