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The price of a necklace varies directly as the no. of pearls in it. Also it varies directly as the square root of radius of a pearl. The price of a necklace was Rs. 150. When it had 75 pearls each of radius 1 cm. Find the radius of the pearl of a neclace having 100 pearls whose cost is Rs. 600. |
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Answer» 2 |
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