Evaluate: \(\frac{{{{(2.39)}^{2\;}} - {{(1.61)}^{2\;}}}}{{2.39 - 1.61}}\)

A 2

B 4

C 6

D 8

E None

Correct Answer: Option B

Solution:

\(\frac{{{{(2.39)}^{2\;}} - {{(1.61)}^{2\;}}}}{{2.39 - 1.61}} = \frac{{(2.39 + 1.61)(2.39 - 1.61)}}{{(2.39 - 1.61)}}\)

= 4