Instructions

In the following question, select the related number from the given alternatives.

Question 6

In the following question, select the related number from the given alternatives.
122 : 145 : : 226 : ?

Solution

Expression = 122 : 145 : : 226 : ?

The pattern followed is = $$[(n)^2+1]:[(n+1)^2+1]$$

Eg :- $$(11)^2+1=122$$ and $$(11+1)^2+1=144+1=145$$

Similarly, $$(15)^2+1=226$$

=> $$(15+1)^2+1=256+1=257$$

=> Ans - (C)

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In the following question, select the related number from the given alternatives.122 : 145 : : 226 : ?