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Let the length and breadth of the rectangle be 4x and 3x, respectively. Diagonal = √(4x)² + (3x)² = 25 √(16x² + 9x²) = 25 √25x² = 25 x = 5 Length = 4x = 20 cm Breadth = 3x = 15 cm Area = Length * Breadth = 20 * 15 = 300 cm² Correct answer: a. 300 cm²
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Two numbers are respectively 30% and 50% more than a third number. First number is approximately how much percent less than the second number?
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