Multiple Choice Questions on The average of five numbers is 56 If the average of first four numbers is 54 what is the value of th........... for RBI Grade B Exam Preparation

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Multiple Choice Questions

The average of five numbers is 56 If the average of first four numbers is 54 what is the value of th...........

Quantitative Aptitude (RBI Grade B) Average
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    The average, of five numbers is 56. If the average of first four numbers is 54, what is the value of the fifth number?

    68

    Incorrect Answer

    72

    Incorrect Answer

    56

    Incorrect Answer

    64

    Correct Answer
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    Explanation:

    Fifth number
    = 5 × 56 – 4 × 54
    = 280 – 216 = 64

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