The average age of a class is 21 years. If a student with age 42 years – McqOptions

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1.	The average age of a class is 21 years. If a student with age 42 years joins the class, then new average age becomes 24 years. How many total students are there in the class now?
A.	5
B.	7
C.	8
D.	6
Answer» C. 8

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