allerypi = 22/7 ধরে, 21 cm ব্যাসার্ধের একটি নিরেট অর্ধগোলকের আয়তন নির্ণয় করুন।
A9702 cm³
B19404 cm³
C38808 cm³
D4851 cm³
Answer & Solution
Correct answer: B. 19404 cm³
অর্ধগোলকের আয়তন হলো (2/3)πr³ = (2/3)(22/7)(9261) = 19404 cm³।
Keep practising Geometry & Mensuration
Browse all Geometry & Mensuration questions for RRB NTPC, or explore more Quantitative Aptitude topics.
Related questions
In three dimensions, what formula gives the volume inside a sphere of radius r?Which algebraic expression calculates the total exterior area bounding a sphere of radius For a circular cylinder of base radius r and height h, which formula gives its volume?Which formula gives the curved side area of a right cylinder with radius r and height h?What geometric solid is generated by rotating a rectangle about one of its sides?What is the longest line segment that can be drawn between two points on a sphere?What metric area corresponds to one million square metres?How many square centimetres are contained in one square metre?