alleryएक घन का कुल पृष्ठीय क्षेत्रफल 294 cm² है। इसका आयतन क्या है?
A49 cm³
B294 cm³
C343 cm³
D216 cm³
Answer & Solution
Correct answer: C. 343 cm³
छह फलकों से 6a² = 294 प्राप्त होता है, इसलिए a = 7 और आयतन 343 घन सेंटीमीटर (cm³) है।
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?