The average of twelve numbers is 42. The average of the last five numb – McqOptions

MCQOPTIONS

1.	The average of twelve numbers is 42. The average of the last five numbers is 40. And the average of the first four numbers is 44. Sixth number is 6 less than fifth number and 5 less than seventh number. What will be the average of 5th and 7th numbers?
A.	44
B.	44.5
C.	43
D.	43.5
Answer» C. 43

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