The average of 13 results is 70. The average of first seven is 65 and that of the last seven is 75, the seventh result is :

The average of 13 results is 70. The average of first seven is 65 and

1.	The average of 13 results is 70. The average of first seven is 65 and that of the last seven is 75, the seventh result is :
A.	67
B.	70
C.	68
D.	70.5
Answer» C. 68

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The average of 13 results is 70. The average of first seven is 65 and that of the last seven is 75, the seventh result is :

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