Question 9

Select the option that is related to the third number in the same way as the second number is related to the first number.
54 : 6 :: 42 : ?

Solution

Expression = 54 : 6 :: 42 : ?

The pattern followed is that sum of digits is divided by the first number to get the second number.

Eg :- $$\frac{54}{5+4}=6$$

Similarly, $$\frac{42}{4+2}=7$$

=> Ans - (D)

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