There were 24 students in a class. One of them, who was 18 years old, left the class and his place was filled up by a newcomer. If the average of the class thereby, was lowered by one month, the age of the newcomer is
(a) 14 years (b)15 years (c)16 years (d) 17 years
Question ID - 50856 | SaraNextGen Top Answer There were 24 students in a class. One of them, who was 18 years old, left the class and his place was filled up by a newcomer. If the average of the class thereby, was lowered by one month, the age of the newcomer is
(a) 14 years (b)15 years (c)16 years (d) 17 years
There were 24 students in a class. One of them, who was 18 years old, left the class and his place was filled up by a newcomer. If the average of the class thereby, was lowered by one month, the age of the newcomer is
(a) 14 years (b)15 years (c)16 years (d) 17 years
1 Answer
127 votes
Answer Key / Explanation : (c) -
Total age decreased = 
month = 2 years.
Age of new comer = 
= 16 years.
127 votes
Answer Link
127