Multiple Choice Questions on 18 is the average of 20 different numbers 19 is the average of first ten numbers 18 is the ave........... for Punjab Government (Allied) Exams Preparation

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Multiple Choice Questions

18 is the average of 20 different numbers 19 is the average of first ten numbers 18 is the ave...........

Quantitative Aptitude (Punjab Allied ) Average
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     18 is the average of 20 different numbers. 19 is the average of first ten numbers. 18 is the average of the last 9 numbers. The 11th number will be ?

    15

    Incorrect Answer

    16

    Incorrect Answer

    8

    Correct Answer

    20

    Incorrect Answer
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    Explanation:

    Required Number = 18*20 - (19*10 + 9*18) = 360 - (190 + 162) => 8 

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