A rectangular block 10cm by 20cm by 30cm is cut into an exact number of equal cubes. Find the least possible number of cubes?  Answers
A) 6  B) 10  C) 15  D) 40  E) 22
Volume of the block = 10*20*30= 
<gadget id="calculator">10*20*30</gadget>
<output>6_000</output>
6000 cm^3   Side of the largest cube= H.C.F of 10,20,30 = 10cm   Volume of the cube = 10*10*10= 
<gadget id="calculator">10*10*10</gadget>
<output>1_000</output>
1000 cm^3   Number of cubes= 6000/1000= 
<gadget id="calculator">6000/1000</gadget>
<output>6</output>
6   6nswer is 6
<result>A</result>
A rectangular block 10cm by 20cm by 30cm is cut into an exact number of equal cubes. Find the least possible number of cubes?