Read the following information carefully to answer the questions given below it:
- 'P × Q' means 'P is the brother of Q'.
- 'P + Q' means 'Q is the mother of P'.
- 'P − Q' means 'Q is the sister of P'.
- 'P ÷ Q' means 'P is the father of Q'.
Which of the following means T is nephew of R?
- R × J ÷ T.
- R − M + T − J.
- R × J ÷ T × K.
Which is the following is superfluous to answer the above question?
(ii) and (iii)
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.