There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

Spot 5 differences in two Christmas tree below:

what's the probability of getting a king or a queen from a pack of 52 cards?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

What's the only room from which no one can enter or leave

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

When it's bad luck to meet a black cat?

Buy me, smell me or deliver me, I do not change.

Who am I?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?