6. The floor of a rectangular hall has a perimeter 236 m. Its height is 4.5 m. Find the cost of painting its four walls at rate of Rs.8.40 per square metre
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The perimeter of the floor of a rectangular hall is 236 m. The cost of painting is at the rate of Rs 8.40 m per square meter. Cost of painting four walls = Rs 8.40 x 1062 = Rs 8920.80.
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Albert Einstein was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics. His work is also known for its influence on the philosophy of science
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