The average of 40 students in a class is 14yr. If the age of teacher is included, the average becomes 15 year. Find the age of the teacher
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hope it wiil help you
Step-by-step explanation:
mean to say that if you have given this type of guestion you just find their sum as i write 41 in next observatin because teacher is also added so 40 +1as i write 41
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teachers age is 25 years
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