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1. What is the height of a right cylinder with radius 5 in and volume  150 π   in 3  ?

  • A. 5 in
  • B. 5 in
  • C. 5 in
  • D. 5 in

Answer: Option B

Explanation:

 দেওয়া আছে সিলিন্ডারের ব্যাসার্ধ্য,r=5 inch এবং আয়তন=150π inch3 আবার আমরা জানি সিলিন্ডারের আয়তন=πr2h প্রশ্নমতে,πr2h =150ππ×52×h=150π25h=150h=15025∴h=6

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