alleryਇੱਕ ਪੂਰੇ ਸਿਲੰਡਰ (r=6,h=8 cm) ਵਿੱਚ ਉਸੇ r,h ਦਾ ਇੱਕ ਠੋਸ ਕੋਨ ਹੁੰਦਾ ਹੈ। ਇਸ ਦਾ ਪਾਣੀ ਇੱਕ ਸਿਲੰਡਰ ਵਿੱਚ ਡੋਲ੍ਹ ਦਿਓ r=4 cm। ਨਵੀਂ ਡੂੰਘਾਈ?
A12 cm
B8 cm
C6 cm
D18 cm
Answer & Solution
Correct answer: A. 12 cm
ਪਾਣੀ ਦੀ ਮਾਤਰਾ π×6²×8 − ਹੈ
(1/3)π×6²×8 = 192π cm ³;
ਅਧਾਰ ਖੇਤਰ 16π ਦੁਆਰਾ ਵੰਡਣ ਨਾਲ ਡੂੰਘਾਈ ਮਿਲਦੀ ਹੈ 12 cm।
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