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 could be the two 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 could be the two 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: 0, 5, 10, 15, 20, 25, 30.
  • Step 4: Check each multiple of 5 to see if it can pair with another number to make 30.
  • Step 5: For the multiple 5, the other number would be 30 - 5 = 25.
  • Step 6: For the multiple 10, the other number would be 30 - 10 = 20.
  • Step 7: For the multiple 15, the other number would be 30 - 15 = 15.
  • Step 8: For the multiple 20, the other number would be 30 - 20 = 10.
  • Step 9: For the multiple 25, the other number would be 30 - 25 = 5.
  • Step 10: Verify that both numbers in each pair add up to 30 and that one number is a multiple of 5.
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