Question
In a certain code language, '2, 4, 6' means 'object for
required'; '6, 3, 5, 2' means 'circular for motion required' and '3, 7, 4, 1' means 'object small motion mass'. Which of the following means 'circular' in that language?Solution
‘'2, 4, 6' - 'object for required'……. (i) '6, 3, 5, 2' - 'circular for motion required' ……. (ii) ''3, 7, 4, 1' - 'object small motion mass'….. (iii) From (i) and (ii), code for ‘for required' is either ‘2 or 6’. From (ii) and (iii), code for ‘motion’ is ‘3’. We know the code for ‘for required' and ‘motion’, so from (ii), ‘5’ is the code for 'circular’.
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