Find the missing number?

In a row position of M is 328 from the left corner and the position of B is 321 from the right corner after some time when they interchange their position respectively then position of M became 365 from the left corner then find out what is the position of B from the left corner after interchanging?

Study the following diagram and answer questions based on it.
The diagram represents the likes of kids of a class.

What is the difference between the kids who like Mercury and Jupiter?

Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of :: is the same as that on the right side of ::?
 # : CLQ:: NDK: %

7, 18, 40…….?....117, 172

Direction: In each of the following questions, find out which of the answer figures can be formed from the pieces given in the problem figure.
Question figure

Which of the following numbers will replace the question mark in the given series?
3, 7, 22, 89 , ? 

Find the number of squares