If `xo+y=x^2+2y` , what is the value of `p` if `4o+(3o+p)=50` ? (a) 4 (b) 7 (c) 8 (d) 12.5

If (2p+1/p)=4 , the value of (p^3+1/(8p^3)) is (a) 4 (b) 5 (c) 8 (d) 15

If 3x-4y+z=7; 2x-z+3y=19 ; x+2y+2z=24 , then what is the value of z ? (a) 4 (b) 5 (c) 6 (d) 8

If 2x+y=5 and 3x-4y=2, then the value of 2xy is (a) 4 (b) 6 (c) 8 (d) 10

If x^(4)+y^(4)=17 and x+y=1, then what is the value of x^(2)y^(2)-2xy?( a) 8 (b) 10(c)12 (d) 16

If 3x+7=x^(2)+P=7x+5, what is the value of P?(1)/(2)(b)8(1)/(4)(c)8(1)/(2) (d) Cannot be determined

If x=5 and y=-2 , then find the value of (i) (8x-2y+5)/(2x+4ty+12) " "(ii) (5x-6y-7)/(3x+6y+12)

P is a point on positive x-axis, Q is a point on the positive y-axis and ' O ' is the origin. If the line passing through P\ a n d\ Q is tangent to the curve y=3-x^2 then find the minimum area of the triangle O P Q , is 3 (b) 4 (c) 5 (c) 6

If [[1,2],[3,1]][[x],[y]] = [[5],[5]] , then value of x+y is (A) 4 (B) 2 (C) 0 (D) 3

If [[1,2],[3,1]][[x],[y]] = [[5],[5]] , then value of x+y is (A) 4 (B) 2 (C) 0 (D) 3