Mathematics
The cost of papering the four walls of a room at 75 paise per square metre is ₹ 240. The height of the room is 5 metres. Find the length and the breadth of the room, if they are in the ratio 5 : 3.
Related Questions
Three cubes, whose edges are x cm, 8 cm and 10 cm respectively, are melted and recast into a single cube of edge 12 cm. Find 'x'.
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The area of a playground is 3650 m2. Find the cost of covering it with gravel 1.2 cm deep, if the gravel costs ₹ 6.40 per cubic metre.
A square plate of side 'x' cm is 8 mm thick. If its volume is 2880 cm3; find the value of x.