Question 47

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Solution

The pattern followed is : $$(a,2a,4a)$$

Thus, in the last option $$7\times4=28\neq21$$

=> (7, 14, 21) is the odd one.

=> Ans - (D)

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