allery20 m × 15 m ના લૉનની બહાર ચારેય બાજુએ 2 m પહોળો રસ્તો છે. તે રસ્તાનું ક્ષેત્રફળ કેટલું છે?
A140 m²
B136 m²
C156 m²
D176 m²
Answer & Solution
Correct answer: C. 156 m²
બહારનો લંબચોરસ 24 x 19 = 456 m² છે, જેમાંથી લૉનનું ક્ષેત્રફળ 300 m² બાદ કરતાં, 156 m² બાકી રહે છે.
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?