Verbal Reasoning - Mental Ability Questions

If P denotes +, Q denotes -, R denotes '÷', and S denotes X, then: 18S36R12Q6P7 = ?

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

_BC_Q_AB_P_R

Which one of the following diagrams represent the correct relationship between DOCTORS, SURGEONS and NURSES

In the following question, select the missing number from the given series.
5, 13, 40, 104, ?

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?

If 9#3=6; 15#3=9; 60#4=32; then what is the value of 27#3=?

Pointing towards a boy Meera said 'He is the son of the only son of my grandfather.' How is that boy related to Meera?

Select the related word from the given alternatives.
Spring : Spiral :: Bangle : ?