Instructions

In the following questions, select the related letters/word/number from the given alternatives.

Question 157

10 : 91 :: 9 : ?

Solution

Expression = 10 : 91 :: 9 : ?

The pattern followed is = $$n:9n+1$$

Eg = $$10:9\times10+1=10:91$$

Similarly, $$9\times9+1=81+1=82$$

=> Ans - (B)

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