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Three years ago, A was 5 times as old as B. If B is now 8 years old, how old is

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Question: Three years ago, A was 5 times as old as B. If B is now 8 years old, how old is A now?

Options:

  1. 28
  2. 30
  3. 25
  4. 20

Correct Answer: 28

Solution: 

Three years ago, B was 5 years old. Therefore, A was 5 * 5 = 25 years old. Now, A is 25 + 3 = 28 years old.

Three years ago, A was 5 times as old as B. If B is now 8 years old, how old is

Practice Questions

Q1
Three years ago, A was 5 times as old as B. If B is now 8 years old, how old is A now?
  1. 28
  2. 30
  3. 25
  4. 20

Questions & Step-by-Step Solutions

Three years ago, A was 5 times as old as B. If B is now 8 years old, how old is A now?
Correct Answer: 28
  • Step 1: Determine B's age three years ago. Since B is now 8 years old, three years ago B was 8 - 3 = 5 years old.
  • Step 2: According to the question, three years ago A was 5 times as old as B. So, A's age three years ago was 5 * 5 = 25 years old.
  • Step 3: Now, to find A's current age, add 3 years to A's age three years ago. So, A's current age is 25 + 3 = 28 years old.
  • Age Relationships – Understanding how to relate the ages of two individuals over time.
  • Basic Arithmetic – Applying multiplication and addition to solve age-related problems.
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