1.

Nine students of a class contribute a certain sum. Seven of them give Rs. 5 each. The remaining two give Rs. 5 and Rs. 9 more than the average contribution of all the 9 students respectively. The average contribution of the class of 9 students is -

A. Rs. 10
B. Rs. 14
C. Rs. 7
D. Rs. 12
Answer» D. Rs. 12


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