Target Exam

CUET

Subject

General Aptitude Test

Chapter

Numerical Ability

Topic

HCF and LCM

Question:

The LCM of two positive integers is twice the larger number and the HCF of the two numbers is 3. The smaller number is:

Options:

6

10

9

8

Correct Answer:

6

Explanation:

Let the first number = x (Larger)

Smaller number = y

Let the LCM  = 2x

HCF = 3

Then, ATQ, 

LCM × HCF = Product of the two numbers 

2x × 3 =  x × y

y = 6