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The average age of 30 students of a clas...

The average age of 30 students of a class is 14 years 4 months. After admission of 5 new student in the class the average becomes 13 years 9 months. The youngest one of the five new students is 9 years 11 months old. The average age of the remaining 4 new students is :

A

11 years 2 months

B

13 years 6 months

C

12 years 4 months

D

10 years 4 months

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Verified by Experts

The correct Answer is:
D
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KIRAN PUBLICATION-AVERAGE-TYPE-VIII
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