alleryꯔꯦꯗꯤꯌꯁ rꯒꯤ ꯁ꯭ꯐꯤꯔ ꯑꯃꯗꯥ ꯕꯣꯎꯟꯗ ꯇꯧꯕꯥ ꯑꯄꯨꯅꯕꯥ ꯃꯄꯥꯅꯒꯤ ꯃꯐꯝ ꯑꯗꯨ ꯀꯔꯝꯕꯥ ꯑꯦꯂꯖꯦꯕ꯭ꯔꯤꯛ ꯑꯦꯛꯁꯞꯔꯦꯁꯅꯅꯥ ꯂꯦꯄꯊꯣꯀꯄꯒꯦ?
A2ꯄꯤ * ꯔ^2
B4ꯄꯤ * ꯔ^2
C(4/3)ꯄꯤ * ꯔ^3
D(2/3)ꯄꯤ * ꯔ^3
Answer & Solution
Correct answer: B. 4ꯄꯤ * ꯔ^2
ꯔꯦꯗꯤꯌꯁ r ꯂꯩꯕꯥ ꯁ꯭ꯐꯤꯔ ꯑꯃꯒꯤ ꯁꯔꯐꯦꯁ ꯑꯦꯔꯤꯌꯥ ꯑꯁꯤ 4 * pi * r^2ꯅꯥ ꯄꯤ꯫
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?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?Rotating a rectangle about one of its sides produces which solid?