If (2k - 1,k) is a solution of the equation 10x - 9y = 12, then k = A – InterviewSolution

1.

If (2k - 1,k) is a solution of the equation 10x - 9y = 12, then k = A. 1 B. 2 C. 3 D. 4

Answer»

Option : (B)

Given,

(2k - 1,k) is a solution of the equation 10x - 9y = 12

⇒ 20x – 10 – 9k = 12

⇒ 11k = 22

⇒ k = 2

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