Verbal Reasoning - Mental Ability Questions

If in a certain code, GREEN is written as ITGGP, then how will OINK be written as in the same code?

Identify the diagram that best represents the relationship among classes given below
Tennis fans, Cricket players, Students

'A' and 'B' are brothers. 'C' and 'D' are sisters. A's son is D's brother. How is B related to C?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
550 x 22 - 24 + 3 = ?

If "*" denotes "added to", "&" denotes "divided by", "@" denotes "multiplied by" and "%" denotes "subtracted from", then 135 & 15 @ 10 % 3 * 6 = ?

In the following question, select the missing number from the given series.
1, 3, 6, 10, 15, ?

Pointing towards a man Soumya says, "His mother's daughter is my sister". How is Soumya related to the man?

In the following question, select the related number from the given alternatives.
243 : 819 : : 163 : ?