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উভয় প্রান্তে সূঁচালো করা একটি পেন্সিল _________ এবং __________ এর সংমিশ্রণ।

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  1. বর্গক্ষেত্র এবং শঙ্কু
  2. চোঙ এবং শঙ্কু
  3. আয়তক্ষেত্র এবং চোঙ 
  4. আয়তক্ষেত্র এবং একটি শঙ্কু

Answer (Detailed Solution Below)

Option 2 : চোঙ এবং শঙ্কু
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Detailed Solution

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প্রদত্ত:

উভয় প্রান্তে সূঁচালো করা একটি পেন্সিল।

ব্যবহৃত সূত্র:

পেন্সিলটি যে আকারগুলির সমন্বয়ে গঠিত।

গণনা:

একটি পেন্সিল সাধারণত আকৃতিতে নলাকার হয় এবং সূঁচালো প্রান্তগুলি শঙ্কুর মতো দেখায়।

পেন্সিলের দেহ: চোঙ 

সূঁচালো প্রান্তগুলি: শঙ্কু

অতএব, উভয় প্রান্তে সূঁচালো করা একটি পেন্সিল হল একটি চোঙ  এবং দুটি শঙ্কুর সংমিশ্রণ।

সঠিক উত্তর হল বিকল্প 2।

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