There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Replace the question mark with the correct number below.

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Solve the mathematical equation in the picture below.

What do you answer even though it never asks you questions?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Which letter of the alphabet has the most water?