Multiple Choice Questions on What will come in place of question mark in the following number series 120 15 105 17 5 87 5 ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

What will come in place of question mark in the following number series 120 15 105 17 5 87 5 ........

Quantitative Aptitude ( CCS) Number series
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    What will come in place of question mark(?) in the following number series?

    120 15 105 17.5 87.5 ? 

    18.5

    Incorrect Answer

    19.5

    Incorrect Answer

    21.875

    Correct Answer

    17.5

    Incorrect Answer
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    Explanation:

    120 15 105 17.5 87.5 ? 

    120/ 8 = 15
    15 × 7 = 105
    105 / 6 =17.5
    17.5 × 5 = 87.5
    ? = 87.5/ 4 = 21.875

    By: MIRZA SADDAM HUSSAIN
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