The average age of a teacher and three students is 20 years. If all th – McqOptions

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1.	The average age of a teacher and three students is 20 years. If all the three students are of same age and the difference between the age of the teacher and each student is 20 years, then what is the age of the teacher?
A.	25 years
B.	30 years
C.	35 years
D.	45 years
Answer» D. 45 years

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