Question
In the following number - pairs, the second number is
obtained by applying certain mathematical operations to the irst number. In three of the four pairs, the same pattern is applied and hence they form a group. Select the number - pair that DOES NOT belong to this group.Solution
The logic followed here is in every pair the second number is the product of 1 st and sum of the digits of the 1 st number. All of the above pairs, except the pair in option '4', follow the above pattern.
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