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If the sum of two numbers is 30 and one of them is a multiple of 5, which of the

Practice Questions

Q1
If the sum of two numbers is 30 and one of them is a multiple of 5, which of the following pairs could represent these numbers?
  1. 10 and 20
  2. 15 and 15
  3. 5 and 25
  4. 12 and 18

Questions & Step-by-Step Solutions

If the sum of two numbers is 30 and one of them is a multiple of 5, which of the following pairs could represent these numbers?
  • Step 1: Understand that we need two numbers that add up to 30.
  • Step 2: Identify that one of these numbers must be a multiple of 5.
  • Step 3: List some multiples of 5 that are less than 30: 0, 5, 10, 15, 20, 25.
  • Step 4: For each multiple of 5, subtract it from 30 to find the other number.
  • Step 5: Check if the other number is also a valid number (non-negative).
  • Step 6: Verify that the pairs of numbers add up to 30.
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