SarkariPYQ

SSC CGL 2018 PYQ — Question 16

SSC CGL Tier II Quant - 20/02/2018 • Quantitative Aptitude • Q16

Back to paper

If one root of the equation Ax2 +Bx + C = 0 is two and a half times the others, then which of the following is TRUE?

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4. (i.e. 10B2 = 49 CA)

Let one root be x, other root = 

                                  ...... (i)

and

⇒               ...... (ii)

From (i) and (ii)

10B2 = 49 CA