Question

In the following question, a matrix of certain characters is given. These characters follow a certain trend, row-wise or column-wise. Find out this trend and choose the missing character accordingly.

1	2	3
11	7	5
120	45	?

• A. $19$
• B. $17$
• C. $16$
• D. $15$

Answer 1

Answer: (C)

$16$

First Column : ${11}^2-1^2=120$

Second Column : $7^2-2^2=45$

Applying same logic, for Third Column, it should be

$5^2-3^2=16$ (option D)