Question 111

LCM of two numbers is 63 and their HCF is 21. Given that one number is 21, find the second number.

Solution

Since, HCF X LCM = PRODUCT OF NUMBERS

LET THE OTHER NUMBER BE X.

SO,     21 X 63 = 21 * X

X = 63 (ANS)


Create a FREE account and get:

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

cracku

Boost your Prep!

Download App