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

How many times can you subtract the number 5 from 25?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

You need to remove two matchsticks to make the below equation true. Can you do it ?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

Can you identify the famous TV character from the rebus below?

What is the next number in the series?

15 29 56 108 208 ?

How many times in a given day, minutes and hour clock comes in a straight line ?