SSC CGL 2019 PYQ — Question 68

SSC CGL Tier II - Quant 13th Sep. 19 • Quantitative Aptitude • Q68

The value of  is?

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. 25.48.

It is of the form :

= x² + y² - xy

= (x + y)² - 3xy

= (10)² - 3(24.84)

= 25.48