This question was in the logical reasoning section of an exam I had recently appeared in. I still have no clue how this is solved.
If 71:64 then 92:?
The given options are-
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Well, the answer could be
The logic is -
71:64 both of these numbers are divisible by (and hence instantly reduce to a further non-reducible fractions) 7, when 1 is subtracted from each (so that the new set of numbers become 70:63 or 10:9).
In this case
92:32 exhibits the same property, when 2 is subtracted from both the numbers to arrive at 90:30 or 3:1