There are 20 students with an average height of 105 cms in a class. Th – McqOptions

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1.	There are 20 students with an average height of 105 cms in a class. Then 10 students with an average height of 120 cms join the class. What will be the average height of the class now?
A.	130 cms
B.	100 cms
C.	110 cms
D.	120 cms
Answer» D. 120 cms

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