New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    A semicircular sheet of metal of diameter 20cm is bent

    into an open conical cup. the capacity of the cup is. Use π = 22/7
    A 43.22 Correct Answer Incorrect Answer
    B 53.42 Correct Answer Incorrect Answer
    C 73.52 Correct Answer Incorrect Answer
    D 25.52 Correct Answer Incorrect Answer

    Solution

    Diameter = 20 R = 20/2= 10 m Capacity of cup = πr3 /8 √3 =22/7 ×10×10×10)/ 8 ×1.7 = 7000/56×1.7 cm3 =73.52cm3

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