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Data Sufficiency - Base Level 3 Question 11 – answer, explanation & discussion

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Question 11 Back to Exercise
Questions : In a certain code, 'XYZ' means 'we are friend'. Which letter stands for 'We' ?
Statements : 

I.   'PYN' means 'They are classmates'.
II.  'ZMS' means 'We love them'
III. 'PX' means 'Hello friends'

  • A Only II
  • B Only I and III
  • C All I, II and III
  • D Either I only or II only
  • E None of these Correct
Correct Answer: Option E

To find the code for 'we ', we need to have any of the following :

(i) 'We are friends' should have only 'We' common with another statement, as in II;

(ii) 'We are friends' should have only 'are' and 'friends' common with another single or two statements, as in I and III.

Thus, we need Either II only or I and III only.

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