BANKING Content

RRB ALP 29th Aug 2018 Shift-3 Question 20

Question 20

Find the LCM of 34, 85 and 102.

Solution

LCM of three numbers can be obtained by multiplying each factor with the greatest number of times it occurs.

Calculating the prime factors of the given numbers

34 - 2 x 17

85 - 5 x 17

102 - 2 x 3 x 17

LCM = 2 x 3 x 5 x 17 = 510

Hence, option C is the correct answer.



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