Select the related word/letters/number from the given alternatives.
731 : 11 : : 991 : ?
Expression =Â 731 : 11 : : 991 : ?
The second number is equal to the sum of digits of first number.
Eg :- $$7+3+1=11$$
Similarly, $$9+9+1=19$$
=> Ans - (A)
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