Select the related word/letters/number from the given alternatives.
16 : 40 : : 20 : ?
Expression =Â 16 : 40 : : 20 : ?
The pattern followed is = $$x:2.5x$$
Eg :- $$16:16\times2.5=16:40$$
Similarly, $$20\times2.5=50$$
=> Ans - (C)
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