Question

Average age of by 18 men is decreased by 1 year when one man whose age is 49 years is replaced by a new man.find the age of the new man.

Answer 1

Answer:

sorry I didn't know it is helpful to you

Answer 2

Answer:

31 Years

Step-by-step explanation:

If the replaced person's age is same with the existing average, there is no change in the average but due to replacement overall decrease in the age is 18 × 1 = 18 years. This is the change bought by the new man.

Age of new man = Age of man replaced - Total decrease in age = 49 – (1 × 18) = 31 years