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In a Ring the radii of outer and inner are 15 cm and 8 cm then the width is ……………….. cm A) 7 B) 3 C) 6 D) 1 |
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Answer» option A =7 let radius of outer cirlcle = 15 cm radis of inner cirlcle= 8cm width= 15 - 8= 7cm Correct option is A) 7 |
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