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Ques:- The average age of 12 students is 20 years. If the age of one more student is included, the average decreases by 1. What is the age of the new student?
A. 5 years
B. 6 years
C. 7 years
D. 9 years
Ques:- What smallest number should be subtracted from 6708 so that it may be divided by 9?
A. 1
B. 2
C. 3
D. 4