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A grandfather is 4 times as old as his grandson. If the grandson is 5 years old,

Practice Questions

Q1
A grandfather is 4 times as old as his grandson. If the grandson is 5 years old, how old is the grandfather?
  1. 20
  2. 15
  3. 25
  4. 30

Questions & Step-by-Step Solutions

A grandfather is 4 times as old as his grandson. If the grandson is 5 years old, how old is the grandfather?
Correct Answer: 20
  • Step 1: Identify the age of the grandson. The grandson is 5 years old.
  • Step 2: Understand that the grandfather is 4 times as old as the grandson.
  • Step 3: Calculate the grandfather's age by multiplying the grandson's age by 4.
  • Step 4: Perform the calculation: 4 times 5 equals 20.
  • Step 5: Conclude that the grandfather is 20 years old.
  • Age Relationship – Understanding the relationship between the ages of two individuals based on a given ratio.
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