The average age of 12 children is 15 years. If another child comes the average age comes to 13. What is the age of the new child?

1. The average age of 12 children is 15 years. If another child comes the average age comes to 13. What is the age of the new child?

[Senior Officer 2017 [MCQ] : 2017]

1. 11 years

2. 7 years

3. 9 years

4. 5 years

5. The answer is wrong

Answer

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