Solve this:
Q). A hole is made in a wooden block as shown below. The radius of the hole is 3 cm. Find the total surface area and volume of the wooden block.

just subtract the volume of cylinder from volume of cuboid
i.e. L*B*H-pie Rsquare*h
    = 8*8*6-22/7*3*3*8
     =384-1584/7
    =2688/7-1584/7
    =1104/7
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