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  1. Volume of a right circular cylinder of height 21 cm and base radius 5 cm is :
    1. 1255 cm³
    2. 1050 cm³
    3. 1175 cm³
    4. 1650 cm³
Correct Option: D

Volume of right circular cylinder = πr²h

=
22
 × 5 × 5 × 21 = 1650 cu. cm.
7


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