alleryਇੱਕ ਰੇਡੀਅਸ-6 cm ਗੋਲਾ ਬਿਨਾਂ ਕਿਸੇ ਨੁਕਸਾਨ ਦੇ, ਰੇਡੀਅਸ 2 cm ਅਤੇ ਉਚਾਈ 3 cm ਦੇ ਕੋਨ ਵਿੱਚ ਪਿਘਲ ਜਾਂਦਾ ਹੈ। ਕਿੰਨੇ ਕੋਨ?
A72
B36
C48
D24
Answer & Solution
Correct answer: A. 72
ਗੋਲੇ ਦਾ ਆਇਤਨ 288π cm ³ ਅਤੇ ਹਰੇਕ ਕੋਨ 4π cm ³ ਹੈ, ਇਸਲਈ 72 ਕੋਨ ਬਣਦੇ ਹਨ।
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