A cube of 21cm length is cut into small cubes of side 7cm each. How much such small cubes can be obtained?
Answer & explanation
Correct answer: option 1
Volume of larger cube = (21)3 cm3
Volume of smaller cube = (7)3 cm3
No. of such cubes = \(\frac{Volume\;of\;larger\;cube}{Volume\;of\;smaller\;cube}\)
= (\(\frac{21}{7}\))3
= (3)3 = 27