alleryएक समलंब की समानांतर भुजाएं 18 m और 30 m हैं, ऊंचाई 10 m है। फ़र्श लागत ₹12 प्रति वर्ग मीटर²। कुल लागत?
A₹2160
B₹2880
C₹3600
D₹5760
Answer & Solution
Correct answer: B. ₹2880
क्षेत्रफल है (18+30)×10/2 = 240 मी²;
फ़र्श लागत 240×₹12 = ₹2880.
Keep practising Mensuration
Browse all Mensuration questions for RPF Constable, or explore more Arithmetic topics.
Related questions
Mensuration: choose the measureA circular sector of radius 21 cm has perimeter 86 cm. Find its area; use π = 22/7.A rhombus has diagonals 16 cm and 30 cm. What are its area and perimeter?A full cylinder (r=6,h=8 cm) contains a solid cone of the same r,h. Pour its water into a A radius-7 cm cylinder of height 10 cm has a matching hemisphere on top. Area exposed exclA radius-6 cm sphere is melted into cones of radius 2 cm and height 3 cm, with no loss. HoA hemispherical dome has radius 7 cm. Its curved covering needs how much material? Use π =A spherical ball has radius 3 cm. How many cubic centimetres does it occupy? Use π = 3.14.