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36GALA MODEL QUESTION PAPERS: STANDARD 10NAVNEET15. A toy is madeby mounting a cone on a hemisphere. The radius of the cone andhemisphere is 5 cm. The total height of the toy is 17 cm. Find the total surfacearea of the toytheOR15. A cylinder of radlus 2 cm and height 10 em is melted into small spheriodlameter I cm. Find the number of such balls.

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