The size of a wooden block is 5 x 10 x 20 cm. How many whole such blocks will be required to construct a solid wooden cube of minimum size?
A4
B8
C16
D32
Answer:
B. 8
Read Explanation:
Since we have to construct cube of minimum size, Side of each cube = 5 cm
Number of blocks = volume of wooden block / volume of one cube
= lbh/a³ = 5 x 10 x 20/ 5 x 5 x 5 = 8