The length and breadth of a rectangle are increased by 25% and 30% respectively. The increase in the area of the resulting rectangle will be- किसी आयत की लम्बाई और चौड़ाई में क्रमशः 25% और 30% की वृद्धि की जाती है। परिणामी आयत के क्षेत्रफल में वृद्धि होगी-

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