Multiple Choice Questions on How many terms of the sequence 18 16 14 hellip should be taken so that their sum is zero ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

How many terms of the sequence 18 16 14 hellip should be taken so that their sum is zero ........

Quantitative Aptitude ( CCS) Number System
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    How many terms of the sequence 18, 16, 14, … should be taken so that their sum is zero?

    17

    Incorrect Answer

    19

    Correct Answer

    21

    Incorrect Answer

    23

    Incorrect Answer
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    Explanation:

    a=18,d=-2
    therefore 
    0=n/2(36+(n-1)*-2)
    =>n=19

    By: MIRZA SADDAM HUSSAIN
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