A) 70
B) 50
C) 74
D) 48
Correct Answer: A
Solution :
[a] Let x be the marks obtained by student in the annual examination. Then, \[\frac{62+48+x}{3}\ge 60\] or \[110+x\ge 180\] or \[x\ge 70\] Thus, the student must obtain a minimum of 70 marks to get an average of at least 60 marks.You need to login to perform this action.
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