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5 सेमी त्रिज्या तथा 24 सेमी ऊँचाई के एक शंक्वाकार बर्तन का `3 / 4 ` भाग पानी से भरा है । इस पानी को एक बेलनाकार बर्तन जिसकी आन्तरिक त्रिज्या 10 सेमी है, में खाली किया जाता है । बेलनाकार बर्तन में पानी की ऊँचाई ज्ञात कीजिए ।

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माना कि बेलनाकार बर्तन में पानी की ऊँचाई `=h` सेमी
( बेलन में ) पानी का आयतन `=3/4` शंकु में पानी का आयतन
`rArr pi (10)^(2)h=3/4[1/3 pi(5)^(2)24]`
`rArr 100h=1/4xx25xx24`
`rArrh=1.5`सेमी
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