Subject
Quantitative Aptitude
Topic
Areas & Volumes
The height of a right circular cylinder is 14 cm and its curved surface is 704 sq. cm. Then its volume is -
The height of a right circular cylinder is 14 cm and its curved surface is 704 sq. cm. Then its volume is -
ক)
1408খ)
2816গ)
5632ঘ)
9856Explanation
(প্রশ্ন-একটি সমবৃত্তভূমিক সিলিন্ডারের উচ্চতা ও বক্রপৃষ্ঠের ক্ষেত্রফল যথাক্রমে ১৪ সেমি ও ৭০৪ সেমি হলে আয়তন কত? ধরি ব্যাসার্ধ = r শর্তমতে,2πrh = 704 2 × 22/7 × r ×14=704 ∴ r=8 cm আয়তন =πr 2 h =22/7 ×(8) 2 ×14 cm 3 =2816 cm 3Related questions
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