1.

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?_x005F_x000D_

A. 67
B. 68
C. 56
D. 74
Answer» B. 68


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