If a 32 year old man is replaced by a new man,then the average age of 42 men increases by 1 year. What is the age of the new man?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 74 years.
| Understanding/Application |
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Let average age of original 42 men = x years and age of new man = y years Total age of 42 men = 42x years |
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ATQ - (42x - 32 + y)/42 = x + 1 42x - 32 + y = 42x + 42 y = 42 + 32 = 74 years |