Advertisements
Advertisements
Question
If HCF (x, 20) = 2 and LCM (x, 20) = 60, then the value of x is ______.
Options
3
6
20
10
MCQ
Fill in the Blanks
Advertisements
Solution
If HCF (x, 20) = 2 and LCM (x, 20) = 60, then the value of x is 6.
Explanation:
HCF (x, 20) = 2
LCM (x, 20) = 60
We know that
a × b = HCF (a, b) × LCM (a, b)
⇒ x × 20 = 2 × 60
⇒ 20x = 120
⇒ x = `120/20`
⇒ x = 6
shaalaa.com
Is there an error in this question or solution?
