Can you identify if it's a murder or a suicide ?

Prove that twice of ten is the same as twice of eleven.

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

The Little ant seems to be always confused. Do you know why?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Can you decipher the below rebus?

PBLUESAISNUERSES

What is the next number in the series?

15 29 56 108 208 ?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.