Question 3

Select the related number from the given alternatives.
77 : 84 :: 121 : ?

Solution

Expression = 77 : 84 :: 121 : ?

The pattern followed is = $$11n:12n$$, where $$n$$ is a natural number.

Eg = $$11(7):12(7)=77:84$$

Thus, $$11x=121$$

=> $$x=\frac{121}{11}=11$$

$$\therefore$$ Missing term = $$12(11)=132$$

=> Ans - (A)

Create a FREE account and get:

Select the related number from the given alternatives.77 : 84 :: 121 : ?