Question 3

Select the related number from the given alternatives.

39 : 52 :: 51 : ?

Solution

Expression = 39 : 52 :: 51 : ?

The pattern followed is = $$3n:4n$$, where $$n$$ is a natural number.

Eg = $$3(13):4(13)=39:52$$

Similarly, $$3n=51$$

=> $$n=\frac{51}{3}=17$$

Thus, missing number = $$4\times17=68$$

=> Ans - (C)

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