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Three cubes each of side 5 cm are joi...

Three cubes each of side 5 cm are joined end to end. Find the surface area of the resulting cuboid.

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The correct Answer is:
`250 cm^(2)`
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NAGEEN PRAKASHAN-SURFACE AREA AND VOLUME-Exercise 13a
  1. The breadth and height of a rectangular solid are 1.20 m and 0.80 m re...

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  2. The ratio of the length and breadth of a cuboid is 5 : 3. If its heig...

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  3. Three cubes each of side 5 cm are joined end to end. Find the surfa...

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  4. Three cubes each of volume 125 cm^(3) are joined end to end. Find the ...

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  5. The length, breadth and height of a cuboid are in the ratio 5 : 3 : 2....

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  6. Find the volume and total surface area of a cube whose each edge is 2 ...

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  7. The outer dimensions of a closed wooden box are 22 cm, 15 cm and 10 cm...

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  8. The cost of papering the four walls of a room at 75 paise per square m...

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  9. A closed rectangular box has length = 40 cm, breadth = 30 cm and heigh...

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  10. The length, breadth and height of a room are 7.5 m, 4.5 m and 3.0 m re...

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  11. The cost of papering the walls of a room 12 m long at the rate of Rs....

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  12. Find the volume of wood required for a closed wooden box with external...

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  13. Three cubes whose edges are 6 cm, 8 cm and x cm, respectively are mel...

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  14. Three cubes of metal whose edges are in the ratio 3:4:5 are melted ...

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  15. How many cubes of edge 3 cm can be formed from a wooden piece of dimen...

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  16. Find the number of bricks required to construct a wall of dimensions 3...

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  17. The external dimension of an open box are 40 cm xx 30 cm xx 35 cm. All...

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  18. The sum of length, breadth and heigth of a cuboid is 30 cm and the len...

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  19. A wall of dimensions 24 m xx 5 m xx 0.25 m is to be constructed using ...

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  20. 50 student sit in a classroom. Each student requires 9 m^(2) area on f...

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