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Sunday, June 28, 2020

Four numbers are written in a row. The average of first two numbers is 7, the average of the middle two terms is 2.3 and the average of the last two numbers is 8.4. The average of first number and the last number is

Four numbers are written in a row. The average of first two numbers is 7, the average of the middle two terms is 2.3 and the average of the last two numbers is 8.4. The average of first number and the last number is
A5.9
B10.7
C13.1
Dcannot be determined

Correct anwer is: 13.1

Explanation:

Akilesh Kharvi
answered Jun 28 '2020 at 21:27

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