Question

There were 24 students in the class. One of them, who

Q: Answer-There were 24 students in the class. One of them, who was 18 years old left the class and his place...

Let the average age of 24 men be x Sum of age of 24 men 24x If a man replaced, then average age of 24 men x 112 If a man replaced, then sum of age of 24 men 24 x 112 24x 2 Let weight of new man be y According to the question 24x 18 y 24x 2 y 24x 2 24x 18 y 16 Age of new comer is 16 years.

was 18 years old left the class and his place was filled up by a newcomer. If the average of the class was thereby lowered by 1 month, the age of the newcomer is

A 14 years

B 15 years

C 16 years

D 17 years

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There were 24 students in the class. One of them, who

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