Question

The average age of 8 colleagues is 16 years. When 2 new colleagues join the average age increases by one year. Find the average age of the new colleagues.

Q: Answer-The average age of 8 colleagues is 16 years. When 2 new colleagues join the average age increases by...

Given Average age of 8 colleagues 16 years So, total age of 8 colleagues 8 16 128 years Now, 2 new colleagues join. New average 16 1 17 years Total number of people now 8 2 10 people Total age of all 10 people 10 17 170 years Now, subtract the original total age to find the combined age of the 2 new colleagues Age of 2 new colleagues 170 128 42 years So, average age of the 2 new colleagues 42 2 21 years