Question

What is the number of shot required to complete a rectangular pile having $15$ and $6$ shot in the longer and shorter side, respectively, of its upper course?

Answer 1

The no. of shots needed to be added is $14$ & $5$ in the longer & shorter side.

$\therefore$ No. of shots $=\frac{5\times 6\times 38}{6}$

$=190$