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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-7

  • question_answer
    The diameters of two ends of a bucket are 20 cm and 10 cm and its height is 24 cm. The volume (in cc) of the bucket is

    A)  4000                           

    B)  4400

    C)  4040                           

    D)  1885 \[\frac{5}{7}\]

    Correct Answer: B

    Solution :

     Capacity of bucket \[=\frac{\pi h}{3}({{R}^{2}}+{{r}^{2}}+Rr)\] where  \[h=24\]cm \[R=10\]cm \[r=5\]cm \[=\frac{22}{7\times 3}\,\times 24\,({{10}^{2}}+{{5}^{2}}+10\times 5)\]cu.cm \[=\frac{22}{7\times 3}\times 24\,(100+25+50)\]cu. cm  = 4400 cu. cm


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