Multiple Choice Questions on The radii of two cylinders are in the ratio 4 5 and their heights are in the ratio 5 7 What is the r........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The radii of two cylinders are in the ratio 4 5 and their heights are in the ratio 5 7 What is the r...........

Quantitative Aptitude ( CCS) Mensuration 3D
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    The radii of two cylinders are in the ratio 4:5 and their heights are in the ratio 5:7, What is the ratio of their curved surface areas?

    2 : 5

    Incorrect Answer

    4 : 7

    Correct Answer

    4 : 7

    Incorrect Answer

    2 : 3

    Incorrect Answer
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    Explanation:

    Answer & Explanation
    Answer – 2. 4 : 7
    Explanation :
    2Πr1h1/2Πr2h2= [4/5 * 5/7] = 4:7

    By: MIRZA SADDAM HUSSAIN
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