Average age of 5 students of a school Is...

Average age of 5 students of a school Is 14 years. The average age of students and their mathematics and science teachers is 30 years. If the age of science teacher is 6 years more than the age of mathematics teacher, then what is the age (in years) of mathematics teacher?

A

67

B

68

C

56

D

74

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The correct Answer is:

A

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