The average age of an office of 29 workers is 12 years. If the age of the manager be included then the average increases by 6 months. Find the age of the manager?
A19
B24
C25
D27
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
In a set of three numbers, the average of the first two numbers is 7, the average of the last two numbers is 10, and the average of the first and the last numbers is 14. What is the average of the three numbers?
The average age of 16 students in a college is 20. Out of them, the average age of 5 students is 20 and the average age of the other 10 students is 20.4. Find the age of the 16th college student.
The average of 4 consecutive even numbers is 51. What is the third number?
A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points, the team scored was
The sum of 10 numbers is 252. Find their average