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Questions  >>  CBSE XII  >>  Math  >>  Linear Programming
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A company manufactures two types of screws A and B.All the screws have to pass through a threading machine and a slotting machine.A box of type A screws requires 2 minutes on the threading machine and 3minutes on the slotting machine.A box of type B screws requires 8 minutes of threading on the threading machine and 2 minutes on the slotting machine.In a week,each machine is available for 60 hours.On selling these screws,the company gets a profit of Rs100 per box on type A screws and Rs170 per box on type B screws.

$\begin{array}{1 1} (A)\;z=100x+170y \\(B)\;z=170x+100y \\ (C)\;z=3x+4y \\ (D)\;z=4x+3y \end{array} $

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