English and Logical Reasoning Prep GuideLogical ReasoningArithmetic Reasoning
The average age of 25 sub-oridinates in an office is 30 years. If the age of Manager is added, the average increases to 31 years. What is the age of the Manager?
Options
- A26
- B36
- C46
- D56
Correct answer
D. 56
Step-by-step solution
As per the given information: Age of Manager = New Average Age + (No. of sub-ordinates × Change in Average) Therefore, Age of Manager = 31 + ( 25 × 1 ) = 56 years.