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.
The numbers are of the form : $$(x,4x,3x)$$
But in the last option, we have = $$3\times5=15\neq10$$
Thus, (5, 20, 10) is the odd one out.
=> Ans - (D)
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