04. A cylindrical glass of (inside) diameter 6 cm and height 11 cm is filled and then tilted to a 45° angle so that some water overflows. How much water is left in it ? (B) 74.2511 ml (A) 481 ml (C) 451 ml (0) 721 ml
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Volume of A =12∗πr2hVolume of A =12∗πr2h
=12∗π(3)2∗6=12∗π(3)2∗6
=12∗π(54)=27π cu cm=12∗π(54)=27π cu cm
Volume of Cylinder =πr2hVolume of Cylinder =πr2h
=π(3)2(11)=99π cu cm=π(3)2(11)=99π cu cm
Volume of B (water left in the cylinder)Volume of B (water left in the cylinder)
=99π−27π=72π cu cm=99π−27π=72π cu cm
=226.2 cu cm
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