Answer :


Radius (r) of hemispherical part = Radius (r) of conical part = 60 cm

Height (h) of conical part of solid = 120 cm


Height (H) of cylinder = 180 cm


Radius (r) of cylinder = 60 cm


Volume of water left = Volume of cylinder - Volume of solid


= Volume of cylinder – (Volume of cone + Volume of hemisphere)


= πr2H– (r2h + r3)


= [π (60)2 (180) ]– [ (60)2 × 120 +  (60)3]
= 648000 π - ( 144000 π + 144000 π )
= 648000 π  - 288000 π 
= 360000π

= 1131428.57 cm3
= 1.131 m3(approx)

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