Q: The average of twelve numbers is 42. The average of the last five numbers is 40, and that of the first four numbers is 44. The 6th number is 6 less than the fifth and 5 less than the 7th number. The average of the 5th and the 7th number is:
A.
43.5
B.
43
C.
44.5
D.
44
Correct Answer:
Option C -
Explanations:
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