The average marks obtained in a class of 50 students is 70%. The avera – McqOptions

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1.	The average marks obtained in a class of 50 students is 70%. The average of first 25 is 60% and that of 24 is 80%. What is the marks obtained by theÂ last student?
A.	0.9
B.	0.6
C.	0.8
D.	0.7
Answer» D. 0.7

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