Question

$7$ pillars are used to hold a slant iron gudder as shown in the figure. If the distance between every two pillars is $1m$ and height of the last piller is $10.5m$. Find the height of first pillar

Answer 1

The distance between every two pillars$=1$m

The height of the last pillar $=10.5$m

Total number of pillars$=7$

We know that

The height of the first pillar$=\frac{1}{7}\times 10.5=1.5$m

$\therefore$heights of the first pillar is $1.5$m