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Mathematics, 19.02.2021 14:00 sierrawalk3896

The breadh of a room 4m high is one third of its length. If the cost of painting its wall at the rate of Rs 5 per m^(2) is Rs640, the cost of carpeting at the rate of Rs 250 per m^(2) is​

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The breadh of a room 4m high is one third of its length. If the cost of painting its wall at the rat...
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