THE AVERAGE AGE OF 20 STUDENTS OF A CLASS IS 18. WHEN THE AGE OF CLASS TEACHER IS INCLUDED THE AVERAGE AGE BECOMES 20. FIND THE AGE OF CLASS TEACHER
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Let the average age of the Teacher be x
Average age of Students = 18
According to Question -
18 + x = 20
x = 20-18
x = 2
Average age of Students = 18
According to Question -
18 + x = 20
x = 20-18
x = 2
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