How many pairs of letters are there in the word ‘CAMARADERIE’ which have as many letters between them as they have between them in the English alphabet?

. If in a certain language, REVERT is coded as EREVTR, how is REPAIR coded in that code? 

Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.

PG : VM :: AB : ?

If 4th September, 1987 is Sunday, then which day will 31st December 1987 be?

In the following question, select the related letters from the given alternatives.
AB : LM : : NO : ?

In certain code RAIN is written as 8$%6 and MORE is written as 7#8@. How REMAIN written in that code?

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 -

Select the missing number from the options given below.