Question 19

Which of the following numbers is a prime number?

Solution

The correct option is B.

From options, 161 = 23 x 7

121 = 11 x 11

141 = 47 x 3

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