WBCS.LIVE practice question

The ratio of the ages of A and B is 3:4. The sum of their ages is 28 years. What is the age of B?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 12 years
  2. 20 years
  3. 14 years
  4. 16 years

Correct answer and explanation

Correct answer: 16 years

Explanation: āœ… Correct Answer: D) 16 years šŸ“š Explanation: Let the ages of person A and person B be represented as 3x and 4x respectively. Their total sum is 3x plus 4x equals 7x, which is given exactly as 28 years, meaning x equals 4. Since B's age is structurally 4x, we multiply 4 by 4 to confirm that B is 16 years old.