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Qn #116
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The average age of a class of 22 students is 21 years. The average increased by 1 when the teacher age was also included. What is the age of the teacher?
A.
48
B.
45
C.
43
D.
44
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❓ Question: The average age of a class of 22 students is 21 ye... | TANCET Group Studies | Tancet Group Studies