If `x*y=x+y+sqrt(x y)` , the value of 6*24 is (a) 41 (b) 42 (c) 43 (d) 44

If x*y=x+y+sqrt(xy), the value of 6^(*)24 is (a) 41 (b) 42 (c) 43 (d) 44

If x+y=8 , then the maximum value of x y is (a) 8 (b) 16 (c) 20 (d) 24

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=17;y+2z=15 and x+y=9 then what is the value of 4x+3y+z?(a)41 (b) 43(c)45 (d) 55 (e) None of these

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 x = -3 and y = -4 , then the value of 24x - 42y + 27 is

If the lengths of edges of a cuboid are 2x ,\ 3y\ a n d\ 4\ x y , then its volume is: (a) 24\ x y (b) 9x^2y (c) 24\ x^2y^2 (d) 6x^2y^2

If 6x+7y=48 cut at two ponts A & B origin (O) then incentre of /_\AOB is (a) (2,4) (b) (4,4) (c) (2,2) (d) (4,2)

If x-y=1 and x^(2)+y^(2)=41, then the value of x+y will be (a)5 or 4(b)-5 or -4 (c) +-9(d)+-1

If 4x+3y=24 cut at two points A & B , origin is (O) then incentre of /_\AOB is (a) (2,4) (b) (4,4) (c) (2,2) (d) (4,2)