Select the related word/letters/number from the given alternatives.
867 : 21 : : 9164 : ?
Expression =Â 867 : 21 : : 9164 : ?
The second number is equal to the sum of digits of first number.
Eg :- $$8+6+7=21$$
Similarly, $$9+1+6+4=20$$
=> Ans - (C)
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