SSC CGL Tier 1 :: Quantitative Aptitude QA Test 9

    Quantitative Aptitude » QA Test 9 » General Questions - Discussion
    [ A ]    140πsq cm
    [ B ]    146.5π sq cm
    [ C ]    70πsq cm
    [ D ]    None of these right
    1 .

    A cylindrical tube open at both ends is made of metal. The internal diameter of the tube is 6 cm and length of the tube is 10 cm. If the thickness of the metal used is 1 cm, then the outer curved surface area of the tube is
    Answer : Option D
    Explanation :
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