" Maximum value of xy subject to "x+y=8" is "

Obser the following lists {:("List -I","List -II"),((A)"Maximum value of xy subject to x+y =7 is",(1)2),((B)"If"l^(2)+m^(2)=1",""then the maximum value of 1+m is",(2)1),((C)"If"x+y=12",""then the minimum Value of"x^(2)+y^(2)"is",(3)sqrt(2)),((D)"Minimum value" x^(2)-8x+17 "is",(4)49//4),(,(5)0):}

The maximum value of xy subjects to x+y =7 is

The maximum value of xy subject to x+y =7 is

The maximum value of xy subject to x+y=7 , is

If Z=5x+3y ,then maximum value of Z ,subject to x =0,y>=0 is:

Maximum value of p=6x+8y subject to 2x+y le 30, x + 2y le 24, x ge 0, y ge 0 is

Maximum value of p=6x+8y subject to 2x+y le 30, x + 2y le 24, x ge 0, y ge 0 is

Maximum value of Z=15x+20y subject to 3x+4y le 10, x ge 0 , y ge 0 is

What is the maximum value of xy subject to the condition x+y=8 ? a)8 b)16 c)20 d)24