The average of six numbers is 3.95. The average of two of them is 3.4, while the

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The average of six numbers is 3.95. The average of two of them is 3.4, while the average of the other two is 3.85. The average of the remaining two numbers is

Options:

A . 4.5

B . 4.7

C . 4.8

D . 4.6

Answer: Option D
Answer: (d)Using Rule 1, Sum of remaining two numbers = 6 × 3.95 – 2 × 3.4 – 2 × 3.85 = 23.7 – 6.8 – 7.7 = 9.2 ∴ Required average = ${9.2}/2$= 4.6

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