The average age of 40 students is 15 years. If the teacher's age is included, the average becomes 15.5. What is the age of the teacher? - Study24x7
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The average age of 40 students is 15 years. If the teacher's age is included, the average becomes 15.5. What is the age of the teacher?

A

35.5

B

37

C

38.5

D

40

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