If the LCM of two numbers is 72, HCF is three, and the first number is 18, the second number will be ____?
Answer: 12
Explanation
We know that:
LCM × HCF = Product of the two numbers
Given:
LCM = 72
HCF = 3
First number = 18
Let's denote the second number as x.
Using the formula:
72 × 3 = 18 × x
216 = 18x
x = 216 / 18
x = 12
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