The LCM of two numbers is 120 and their HCF is 8. If one number is 32, what is t

Practice Questions

Q1
The LCM of two numbers is 120 and their HCF is 8. If one number is 32, what is the other number? (2023)
  1. 30
  2. 40
  3. 60
  4. 80

Questions & Step-by-Step Solutions

The LCM of two numbers is 120 and their HCF is 8. If one number is 32, what is the other number? (2023)
  • Step 1: Understand the problem. We need to find the other number when we know the LCM (120), HCF (8), and one number (32).
  • Step 2: Recall the relationship between HCF, LCM, and the two numbers. The formula is: HCF * LCM = Number 1 * Number 2.
  • Step 3: Substitute the known values into the formula. We have: 8 (HCF) * 120 (LCM) = 32 (Number 1) * x (Number 2).
  • Step 4: Calculate the left side of the equation: 8 * 120 = 960.
  • Step 5: Now we have the equation: 960 = 32 * x.
  • Step 6: To find x (the other number), divide both sides of the equation by 32: x = 960 / 32.
  • Step 7: Calculate 960 divided by 32, which equals 30.
  • Step 8: Therefore, the other number is 30.
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