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The cost of papering four walls of a room at 14 per square metre is 3,150. The height of the room is 5 metres. Find the length and the breadth of the room, if they are in the ration 4 : 1.

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The correct Answer is:
`18 m and 4.5`
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ICSE-CHAPTERWISE REVISION (STAGE 1) -Area and perimeter of plane figures
  1. An isosceles right-angled triangle has area 200 cmWhat is the length o...

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  2. The perimeter of a triangle is 540 m and its sides are in the ratio 12...

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  3. Find the area of triangle whose sides are 5 cm, 12 cm and 13 cm. Also,...

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  4. The diagonals of a rhombus are 24 cm and 10 cm. Calculate its area and...

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  5. The diagonals of a field in the form of a quadrilateral are 106 m and ...

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  6. If the difference between the two sides of a right-angled triangle is ...

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  7. Calculate the area of quadrilateral ABCD In which angle A = 90^(@) , ...

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  8. In the given figures, angle ABC = 90 ^(@) = angle DEC AC = 15 cm an...

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  9. How many square tiles of side 40 cm will be required to pave a footpat...

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  10. The cost of papering four walls of a room at 14 per square metre is 3,...

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  11. A circle is inscribed in a square of side 14 cm. Find the area enclose...

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  12. The ratio between the diameters of two cirlces is 3:5. Find the ratio ...

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  13. Find the ratio between the area of the shaded and the unshaded portion...

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  14. Calculate the area of triangle whose side are 13 cm, 5 cm and 12 cm. H...

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  15. Find the area of a triangle whose perimeter is 22 cm, one side is 9 cm...

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  16. The base of an isosceles triangle is 24 cm and its area is 60 cm^(2) F...

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  17. The area of a circular ring enclosed between two concentric circles is...

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