The average age of 30 students is 15 years. It was observed

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The average age of 30 students is 15 years. It was observed that while calculating the average age, the age of a student was taken 15 years instead of 9 years. What will be the correct average age?

[SSC CHSL 9th March 2023 Shift-1 With Answers]

A

14.2 years

B

16.4 years

C

15.6 years

D

14.8 years

EXPLANATION

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