Look at this series: 1.5, 2.3, 3.1, 3.9, . . .
What number should come next?

C. 4.7

Arrange the given words Alphabetical Order and choose the one that comes first.

C. PARLOUR

There are five friends A, B, C, D and E. Two of them are businessmen while the other three belong to different occupations viz. medical, engineer and legal. One businessman and the lawyer stay in the same locality S, while the other three stay in three different localities P, Q and R. Two of these five persons are Hindus while the remaining three come from three different communities viz. Muslim, Christian and Sikh. The lawyer is the oldest in age while one of the businessmen who runs a factory is the youngest. The other businessman is a cloth merchant and agewise lies between the doctor and the lawyer. D is a cloth merchant and stays in locality S while E is a Muslim and stays in locality R. The doctor is a Christian and stays in locality P, B is a Sikh while A is a Hindu and runs a factory. What is B's occupation ?

C. LAWYER

(i) In a family of six persons A, B, C, D, E and F, there are two married couples.
(ii) D is grandmother of A and mother of B.
(iii) C is wife of B and mother of F.
(iv) F is the grand daughter of E.

Who among the following is one of the couples ?

B. DE

How many pairs of letters are there in the word 'PENCIL' which have as many letters between them in the word as in the alphanet ?

C. TWO