Test Index

UPSC NDA Math Model Paper 10

© examsnet.com

Question : 13

Total: 120

In solving a problem that reduces to the quadratic equation, Rohan makes a mistake in the constant term and obtains 9 and 4 for roots. Kabir makes a mistake only in the coefficient of the first-degree term and find 5 and -3 for roots. The correct equation is

x2+15x−13=0
x2+13x+15=0
2x2+2x−36=0
x2−13x−15=0

Go to Question:

Prev Question

Next Question