Question 110

If the radius of a circle is Five times, its perimeter will become how many times of its previous perimeter?

Solution

Radius of circle is directly proportional to perimeter, $$P=2\pi r$$

So, if radius is increased 5 times, hence the perimeter will become 5 times of its previous perimeter.

=> Ans - (C)

Share on Whatsapp Share on Whatsapp

Create a FREE account and get:

Download RRB Study Material PDF
45+ RRB previous papers with solutions PDF
300+ Online RRB Tests for Free

Follow us on

Boost your Prep!

Download App