In a party, if each person shakes hands with all the persons present in the party and the total handshakes will be 66 then the total persons in that party will be -

In a certain Language ‘PRIEST’ is written as ‘OQHDRS’. Then How ‘PRISTINE’ is written.

A, B, C, D, E and F are cousins. No two cousins are of the same age, but all have birthday on the same date. The youngest is 17 years old and E the oldest is 22 years old. F is somewhere between B and D in age. A is older than B. C is older than D.
 Which of the following statement is not possible?

There is a group of five persons, namely of  A, B, C, D & E
i) ‘A’ is shorter than "B". But taller than E
ii) 'C' is the Tallest
iii ) 'D' is shorter than B, but taller than 'A'.
Reply the following questions on the basis of above information.
Who is the shortest among these? 

Identify the diagram that best represents the relationship among the given classes.

Job, Government Job, Private job

If P is the husband of Q and R is the mother of S and Q. How is R related to P?

"RUMOUR" is written as "MURRUO". How is "RACKET" written in that code language? 

Study the following information carefully and answer the given questions.
Seven flights namely Jet Airways, British Airways, Delta, Quantas, Emirates, Lufthansa, Air India are scheduled to fly to London. There is only one flight to London on each of the seven days of the week, starting from Monday and ending on Sunday.
Delta flies on Wednesday. Air India flies the day next to British Air ways. British Airways does not fly on Monday or Friday. Two airlines fly between the days British Airways and Emirates fly. Emirates does not fly on Sunday. Quantas flies a day before Lufthansa.
Which of the following flights flies on Friday?