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The LCM of two numbers is 84 and their HCF is 12. If one of the numbers is 36, w
Practice Questions
Q1
The LCM of two numbers is 84 and their HCF is 12. If one of the numbers is 36, what is the other number? (2023)
28
24
21
18
Questions & Step-by-Step Solutions
The LCM of two numbers is 84 and their HCF is 12. If one of the numbers is 36, what is the other number? (2023)
Steps
Concepts
Step 1: Understand the relationship between LCM, HCF, and the two numbers. The formula is: LCM * HCF = Number 1 * Number 2.
Step 2: Identify the values given in the question. LCM = 84, HCF = 12, and one of the numbers (Number 1) = 36.
Step 3: Substitute the known values into the formula: 84 * 12 = 36 * Number 2.
Step 4: Calculate the left side of the equation: 84 * 12 = 1008.
Step 5: Now, the equation looks like this: 1008 = 36 * Number 2.
Step 6: To find Number 2, divide both sides of the equation by 36: Number 2 = 1008 / 36.
Step 7: Perform the division: 1008 ÷ 36 = 28.
Step 8: Therefore, the other number is 28.
No concepts available.
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