1.

The average of five numbers is 11. The fourth number is the average of the third and fifth number and the first number is 3/7th of the fourth number. Find the average of the second number and fourth number if the fourth number is 14.

A. 9
B. 10.5
C. 6.5
D. 21
E. 7.5
Answer» C. 6.5


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