Verbal Reasoning - Mental Ability Questions

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?

If C is coded 3 , DASH is coded as 32 , then DANCE will be coded as

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
10, 29, 66, 127, ?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.

AZ , CX , FU , ?

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, ?