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On selling 300 apples at 3 for Rs 10. Prakhar gained Rs 400. At what rate did he buy the apples?
On selling 300 apples at 3 for Rs 10. Prakhar gained Rs 400. At what rate did he buy the apples?
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Two simple methods to extract potassium (K) from fresh plant tissues for use as possible quick K tests: i) freeze/squeeze in which the tissue is frozen, thawed and extracted by placement in a syringe, and ii) press in which the sap is extracted by crushing fresh leaves in a garlic press, were evaluated
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