Correct Answer - Option 3 : 6
Given:
L. C. M of two multiples = 18
H. C. F = 3
One the number = 9
Formula used:
L. C. M × H. C. F = First number × Second number
Calculation:
Let the other number be x.
L. C. M × H. C. F = First number × Second number
⇒ 18 × 3 = 9 × x
⇒ x = (18 × 3)/9
⇒ x = 54/9
⇒ x = 6
∴ The other number is 6