The size of the wooden block is 5×10×20 cm. How many such blocks will be required to contract a solid wooden cube of minimum size?
A
12
B
6
C
10
D
8
Correct Answer: 8
Side of minimum cube = L,C.M OF 5,10,20 L.C.M OF (5,10,20) = 20 ∴Cube = (20)3 = 8000The size of teh wooden block = (5×10×20) cm = 1000 cm .'. 80001000 = 8