Question
Four number-pairs have been given, out of which three
are alike in some manner and one is different. Select the number-pair that is different.Solution
1) '32 - 14', = (3 X 2) - (3 + 2) = 6 - 5 = 1, 1 β 14 2) '56 - 19', = (5 X 6) - (5 + 6) = 30 - 11 = 19 3) '87 - 41', = (8 X 7) - (8 + 7) = 56 - 15 = 41 4) '49 - 23, = (4 X 9) - (4 + 9) = 36 - 13 = 23
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