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Area of 4 walls of a cuboid 400 sq cm, its length is 15 cm and height is 8 cm. What is its breadth (in cm)?
- A12
- B20
- C24
- D10
Answer not set
Discussion 1
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CCommunity
option 4 : 10 is correct
Area of four walls =400
2h(l+b)=40
2(8)(15+b)=400
b=10 cm
Area of four walls =400
2h(l+b)=40
2(8)(15+b)=400
b=10 cm