allery20 m × 15 m కొలతలు గల పచ్చిక బయలు వెలుపల చుట్టూ 2 m వెడల్పు గల బాట ఉంది. ఆ బాట వైశాల్యం ఎంత?
A140 m²
B136 m²
C156 m²
D176 m²
Answer & Solution
Correct answer: C. 156 m²
బాహ్య దీర్ఘచతురస్రం 24 x 19 = 456 m², దీని నుండి 300 m² పచ్చిక బయలును తీసివేయగా 156 m² మిగులుతుంది.
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?