Question 47

waecmaths question: 

A rectangular packet has inner dimension 16cm by 12cm by 6cm. How many cubes of sugar of sides 2cm can be nearly packed into the pack

Option A: 

90

Option B: 

144

Option C: 

150

Option D: 

288

waecmaths solution: 

$\begin{align}  & \text{Volume of the packet}=16\times 12\times 6c{{m}^{3}}=1152c{{m}^{3}} \\ & \text{Volume of the cube of a sugar}={{2}^{3}}=8c{{m}^{3}} \\ & \text{Number of cubes of sugar in the packet}=\frac{1152}{8}=144cubes \\\end{align}$

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