From a class of 24 boys, a boy, aged 10 ...

From a class of 24 boys, a boy, aged 10 years, leaves the class and in his place a new boy is admitted. As a result, the average age of the class is Increased by 2 months. What is the age of the new boy ?

12 years

15 years

14 years

13 years

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KIRAN PUBLICATION-AVERAGE-TYPE-VIII

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