RRB ALP 29th Aug 2018 Shift-2 Question 7

Question 7

The HCF of 42, 63 and 105 is:

Solution

42 = $$ 2 \times 3 \times 7$$

63 = $$ 3 \times 3 \times 7$$

105 = $$ 3 \times 5 \times 7$$

Taking the common factors, the HCF would be 21.

So , the answer would be option d)21.

Create a FREE account and get:

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

Comments

Register with

OR

Boost your Prep!

Download App