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Q1. The value of k for which the system of equations kx - y = 2, 6x - 2y = 3 has a unique solution, is 


(a) =3


(b) `!=` 3


(c) `!=` 0


(d) = 0


Q2. The value of k for which the system of equations 2x + 3y = 5, 4x + ky = 10  has infinite number of solution, is 


Q3. The value of k for which the system of equtiona x + 2y - 3 = 0 and 5x + ky + 7 = 0 has no solution, is 


Q4. The value of k for which the system of equations 3x + 5y = 0 and kx + 10y = 0 has a non - zero solution, is 


Q5. If the system of equations 2x + 3y = 7, (a + b) x+ (2a - b)y = 21 has infintely many solutions, then 


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