Verbal Reasoning - Mental Ability Questions

Father's wife — Mother;  Mother's daughter — Sister;  Sister's younger brother — My younger brother. 

So, the boy is Deepak's brother. 

From the above arrangements, M is to the immediate right of D.

The rupee is the currency of India. Similarly, Yen is the currency of Japan.

Hence, Rupee : Indian :: Yen : Japan.

Here it follows

426-153=2 and  3819-2010 =0

In the same way  399-93=1

Second is obtained from the first.

A Perch is a fresh water fish. Similarly, a cod is a salt water fish.

Hence, Perch : Fresh Water :: Cod : Salt water.

Letters in the word                          Letters in the alphabet

SEQ                                                      SRQ

QUEN                                                  QPON

SEQUEN                                               SRQPO

ENTIA                                                  EDCBA