alleryపూర్తి సిలిండర్ (r=6,h=8 cm) అదే r,h యొక్క ఘన కోన్ని కలిగి ఉంటుంది. దాని నీటిని సిలిండర్లో పోయాలి r=4 cm. కొత్త లోతు?
A12 cm
B8 cm
C6 cm
D18 cm
Answer & Solution
Correct answer: A. 12 cm
నీటి పరిమాణం π×6²×8 −
(1/3)π×6²×8 = 192π cm ³;
బేస్ ఏరియా 16π ద్వారా భాగిస్తే లోతు 12 cm.
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