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
The logic followed here is as follows: (First number) x (First number - 1) = Second number Option [a]: (12, 132): → 12 x 11 = 132 Option [b]: (20, 380): → 20 x 19 = 380 Option [c]: (15, 210): → 15 x 14 = 210 Option [d]: (14, 190): → 14 x 13 = 182 ≠ 190 In all the above number pairs, except for option 'd', the second number is the product of the first number and one less than the first number.
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