Multiple Choice Questions on A square ground is to be covered by Planting 100 saplings on each side How many saplings are needed ........... for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

A square ground is to be covered by Planting 100 saplings on each side How many saplings are needed ...........

Quantitative Aptitude (RRB NTPC) LCM, HCF
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    A square ground is to be covered by Planting 100 saplings on each side. How many saplings are needed in all?

    40

    Incorrect Answer

    404

    Incorrect Answer

    396

    Correct Answer

    408

    Incorrect Answer
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    Explanation:

    Saplings on each side = 100
    then saplings on all four sides = 400 - 4 = 396
    All four saplings on the 4 corners are counted twice hence need to be subtracted.

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