If `x-y = 2 and 2/(x+y)` = `1/5 `then
a) x=4,y=2
b) x=5,y=3
c) x=6, y=4
d) x=7,y=5

If [2x+y,4x,5x-7 4x]=[7 7y-13 y x+6] , then the value of x+y is x=3 , y=1 (b) x=2 , y=3 (c) x=2 , y=4 (d) x=3 , y=3

If the point P(x ,\ y) is equidistant from A(5,\ 1) and B(-1,\ 5) , then (a) 5x=y (b) x=5y (c) 3x=2y (d) 2x=3y

If in matrix [{:(3,2x,-5),(-4,0,y),(-5,3,7):}] is symmetric, then : a) x =2, y= -3 b) x= 2, y= 3 c) x= -2, y= -3 d) x= -2, y=3

If x: y = 4:7, find 2x + 5y: 3x + 4y.

x=2, y=−1 is a solution of the linear equation (a) x+2y=0 (b) x+2y=4 (c) 2x+y=0 (d) 2x+y=5

If x: y = 3:5, find 4x + 5y: 6x + 7y.

Find (x+y)+(x-y), if x=5/4, y=(-1)/3 (ii) x=2/7, y=4/3 (iii) x=1/4, y=3/2

Find (x+y)-:(x-y), if (i) x=2/3, y=3/2 (ii) x=2/5, y=1/2 (iii) x=5/4, y=(-1)/3

If the centroid of the triangle formed by (7,\ x),\ (y ,\ -6) and (9,\ 10) is at (6,\ 3) , then (x ,\ y\ )= (a) (4,\ 5) (b) (5,\ 4) (c) (-5,\ -2) (d) (5,\ 2)

A rectangle A B C D has its side A B parallel to line y=x , and vertices A ,Ba n dD lie on y=1,x=2, and x=-2, respectively. The locus of vertex C is x=5 (b) x-y=5 y=5 (d) x+y=5