Verbal Reasoning - Mental Ability Questions

Identify the diagram that best represents the relationship among the given classes.
Food Supplement, Bournvita, Horlicks

The distance around a figure

If P denotes ÷ , Q denotes x, R denotes + and S denotes ­ then what is the value of 18Q12P4R5S6

In the following question, select the missing number from the given series.
9, 18, 72, 576, ?

In the following question, select the missing number from the given series.
3, 7, 16, 35, ?

'A' is the sister of 'B'. 'B' is married to 'D'. 'B' and 'D' have a daughter 'G'. How is 'G' related to 'A'?

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

_BC_Q_AB_P_R

The first term in a sequence is 1 and the second term is 5. From the third term on each term is the average (arithmetic mean) of all preceding terms. What is the 25th term in the sequence?