मित्र

I. 2p² + 5p + 2 = 0               II. 2q² + 11 q + 14 = 0

If 2x + 3y = 27 and 3x - y = 13, find (x + y).

Solve: (x/3) + (x/5) = 16

If (5√P - 7√Q) = 5, [1.5P = 4Q-(R/3)+9] and (√P/√Q) = 1.6, then find out the value of ‘R’.

If 0.4x + 0.6y = 26 and x - y = 10, find x.

For given pair of equations, how many solutions are possible?

4x + 6y = 16 and 8x + 12y = 32

For which value of m, there is no solution to the equation -

a – b = 5

ma – 4b = 1

For given pair of equations, how many solutions are possible?

5x − 2y = 12 and 10x − 4y = 24

For given pair of equations, how many solutions are possible?

3x + 4y = 15 and 6x + 8y = 10