Multiple Choice Questions on The side of a square base of a pyramid increases by 20 and its slant height increases by 10 Find the........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The side of a square base of a pyramid increases by 20 and its slant height increases by 10 Find the...........

Quantitative Aptitude ( CCS) Mensuration 3D
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    The side of a square base of a pyramid increases by 20% and its slant height increases by 10%. Find the per cent change in Curved Surface Area.

    25%

    Incorrect Answer

    30%

    Incorrect Answer

    32%

    Correct Answer

    none of these

    Incorrect Answer
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    Explanation:

    C.S.A=1/2*(perimeter of base)*l
    20+10+(20*10)/100=32%

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