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    				| 1. | 
                                    A conical flask of height 24 cm is full of water . If this water is poured into another cylindrical flask of radius half of the conical flask , then how much water - level of the cylindrical flask will be raised ? | 
                            
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Answer» Let the radiuse of the base of the conical flask = r cm ` :. ` the radius of base of the cylindrical flask = `r/2 ` cm ` :.` the volume of the conical flask ` = 1/3 pi r^(2) h ` cc ` = 1/3 pir^(2) xx 24 ` cc ` = 8pir^(2) ` cc Let water - level into the cylindrical flask will rise h cm As per condition ` pi xx (r/2)^(2) xx = 8 pir^(2)` ` rArr 1/4 pir^(2) h = 8pir^(2) rArr h = 32 ` Hence the water - level into cylindrical flask will rise 32 cm  | 
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