A rectangular packet has inner dimension 16cm by 12cm by 6cm. How many cubes of sugar of side 2cm can be neatly packed into the packet?
-
A.
90 -
B.
144 -
C.
150 -
D.
288
Correct Answer: Option B
Explanation
Volume of rectangular packet = (16 x 12 x 6)cm3 = 1152cm3. Volume of cube of sugar = 2 x 2 x 2 = 8cm
∴ The number of cubes f sugar (=frac{1152}{8}=144)