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 option:
A) 6
B) 8
C) 12
D) 16
E) 20
Side of smallest cube = L.C.M of 5,10,20 = 20cm   Volume of the cube = (20x20x20)= 8000 cm3   Volume of the block= (5x10x20cm3 = 1000cm3   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?