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The average of five numbers is 306 4 The average of...

This question belongs to Arithmetic Ability Average
Average
?

The average of five numbers is 306.4. The average of the first two numbers is 431 and the average of the last two numbers is 214.5. What is the third number?

Answer & Solution
Correct Answer: Option E
Third number
= [306.4 × 5 - (431 × 2 + 214.5 × 2)]
= (1532 - 1291)
= 241
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