waecmaths question:
In what number base is the addition of 465 + 24 + 225 =1050
Option A:
ten
Option B:
nine
Option C:
eight
Option D:
seven
waecmaths solution:
$\begin{align} & 465 \\ & +24 \\ & \underline{+225} \\ & \underline{1050} \\\end{align}$ A close observation show that it is in base seven (base 7)
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