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Aptitude Day 176

Problems to solve:

1. The average of 10 students in a group is 9 years. When the teacher’s age is included in it, the average increases by one. What’s the teacher’s age in years?


2. The average monthly salary of 10 employees in an organisation is 2000. If the manager’s salary is added, then the average salary increases by 200. What’s the manager’s monthly salary? 

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