**Question**

**How many pillars are needed to construct a bridge 300 meters long, if the pillars? are at a distance of 12 ½ meters each**

A. 22

B. 25

C. 24

D. None of these

**Answer: **B

**Solution: **

300 ÷ 25/2 + one pillar

= 300 * 2/25 + one pillar

= 25