What will be the value of k, if the roots of the equation (k – 4)x 2 – 2kx + (k + 5) = 0 are equal?

CA Foundation · Quantitative Aptitude · MTP · January 2026
What will be the value of k, if the roots of the equation (k – 4)x 2 – 2kx + (k + 5) = 0 are equal?
(A) A. 18
(B) B. 20
(C) C. 19
(D) D. 21

Suggested Answer and Working Notes:

Correct Answer: Option (B)

B. 20

Topics: Part-A: Business Mathematics

Open in Interactive Practice Hub · Full Practice Hub · Chapter Weightage · More in this subject

Related Questions in this Topic