Read the given information carefully and answer the questions given below:

  • (i) 'A * B' means A 'is brother of B'
  • (ii) 'A - B' means A 'is sister of B'
  • (iii) 'A + B' means A 'is father of B'
  • (iv) 'A / B' means A 'is mother of B'

Question 1: Which of the following represents 'T is nephew of R' ?

  • (A) $R - K + T$

  • (B) $R * K / T$

  • (C) $R/ K * T$

  • (D) $R - K + T * M$

I feel there is more than 1 correct answer to the question but the answer key says only 1. How many represent the required relationship correctly?

I found this puzzle in a highschool level Reasoning and Aptitude Olympiad here in India that was held in the year 2022.

  • $\begingroup$ Could you provide a link? $\endgroup$
    – bobble
    Commented Nov 19, 2023 at 15:23
  • $\begingroup$ Sorry for that but actually I am having a previous year question booklet for the same. I don't think they have an online version for the same. $\endgroup$ Commented Nov 19, 2023 at 15:26

1 Answer 1


The answer is D because only D gives us the gender of T. All the others work for T being K's niece as well.

  • 1
    $\begingroup$ Ohhhhhh so that is the pointttt! Thankssss $\endgroup$ Commented Nov 19, 2023 at 14:20

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