The size of the wooden block is 5 x 10 x 20 cm .How many such blocks will be required to construct a solid wooden cube of minimum size?	Choose the correct choice from the following choices.
A) 6  B) 8  C) 12  D) 16  E) 18
Explanation:   Side of smallest cube = L.C.M of 5,10,20 = 20cm   Volume of the cube = (20 x 20 x 20)cm3 = 8000 cm3   Volume of the block= (5 x 10 x 20) cm3 = 1000 cm3   Number of blocks = (8000/1000)= 
<gadget id="calculator">(8000/1000)</gadget>
<output>8</output>
8   Answer: 8
<result>B</result>
The size of the wooden block is 5 x 10 x 20 cm .How many such blocks will be required to construct a solid wooden cube of minimum size?