Q. 75.0( 3 Votes )
If (2k-1,k) is a solution of the equation 10x-9y=12, then k=
A. 1
B. 2
C. 3
D. 4
Answer :
Given, (2k-1,k) is a solution of the equation 10x-9y=12
⇒ 20x – 10 – 9k = 12
⇒ 11k = 22
⇒ k = 2
Rate this question :
Smart Revision | Linear Equations in Two Variables34 mins
Goprep Genius Quiz on Linear Equations34 mins
Interactive session on Linear Equations in Two Variables30 mins
NCERT | Imp. Qs. on Linear Equations in Two VariablesFREE Class
NCERT | Linear Equations41 mins
Bonus Questions on Linear Equations in Two Variables48 mins
Quiz | Testing Your Skills on Linear Equation in Two Variables36 mins
Quiz | Important Questions on Linear Equations In Two Variables49 mins
Champ Quiz | Do you Know about Linear Equations ?35 mins
Master Linear Equations40 mins
Express y in terms of x, given that 
Check whether ( – 5, 2) is a solution of the given equation.
Write two solutions for each of the following equations:
(i) 3x+4y =7
(ii) x=6y
(iii) x+πy =4
(iv) 
x-y =4
How many linear equations are satisfied by x=2 and y=-3?
RD Sharma - MathematicsIf (2k-1,k) is a solution of the equation 10x-9y=12, then k=
RD Sharma - MathematicsIf (a,4) lies on the graph of 3x+y=10, then the value of a is
RD Sharma - MathematicsShow that (3, 1) as well as (2, – 2) are the solutions of the equation 3x – y = 8. Find two more solutions. How many solutions can we find?
RS Aggarwal & V Aggarwal - MathematicsIf each of ( – 2, 2), (0, 0) and (2, – 2) is a solution of a linear equation in x and y, then the equation is
RS Aggarwal & V Aggarwal - Mathematics