# Discussion of Question with ID = 090 under Blood-Relations

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### Question

Read the following information carefully to answer the questions given below it:

1. 'P × Q' means 'P is the brother of Q'.
2. 'P + Q' means 'Q is the mother of P'.
3. 'P − Q' means 'Q is the sister of P'.
4. 'P ÷ Q' means 'P is the father of Q'.

Which of the following means T is nephew of R?

1. R × J ÷ T.
2. R − M + T − J.
3. R × J ÷ T × K.

Which is the following is superfluous to answer the above question?

A

(i) only.

B

(ii) only.

C

(ii) and (iii)

D

(iii) only.

Soln.
Ans: c

ii and iii are superfluous. The expression R × J ÷ T is sufficient, simplest and shortest way to express the relation of nephew, bhatija. The relation ii can be shortened as R + T - J to express the mausi-bhanja relation.