Direction: Study the following diagram and answer question based on it-

The diagram represents the favourite ice-cream flavours of kids in a society

The ratio of kids who like vanilla to those who like chocolate is :

Direction : Six laptops O, R, Q, M, S and B are placed in a row facing towards the north (Not necessarily in the same order). O is placed to the immediate left of B. S is placed second to the left of R. Q is placed second to the right of B. Q is placed to the immediate right of S. M is placed to the left of O.

Which laptop is placed to the immediate right of M.?

A father's age was 8 times his son's age 4 years ago. Presently the father's age is 4 times that of his son. Find the present age of the son?

In each of the following select the one which is different from other three responses.

Select the option in which the numbers share the same relationship as that shared by the given pair of numbers.
72-14

Direction: In the following question, select the related letters from the given alternatives. 

DFIM :CEHL :: ? : KMPT

Suresh is 7 ranks ahead of Ashok in a class of 39 students. If Ashoka's rank is 17th from the end, which rank will be from the beginning of Suresh?

Direction: Study the following information to answer the given questions.
In a certain code language:
“Team work is secret” is written as “4K@, 1M@, 16S#, 26T$”
“secret was that makes” is written as “4S%, 1T@, 20S&, 26T$”
“The common people is” is written as “1E%, 10N$, 23E$, 16S#”
“Which achieve uncommon results” is written as “4H&, 8E!, 2N*, 25S!”

How “23E$” will be coded?