Subject
Quantitative Aptitude
Topic
Areas & Volumes
Two concentric circles form a ring. The inner and outer circumference of the ring are 352/7 m and 528/7m respectively.Find the width of the ring.
Two concentric circles form a ring. The inner and outer circumference of the ring are 352/7 m and 528/7m respectively.Find the width of the ring.
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3Explanation
let the inner and outer radii be r and R meters then, = 352/7 => r = (352/7) * (7/22) * (1/2) = 8m = 528/7 => R= (528/7) * (7/22) * (1/2)= 12m width of the ring = R-r = 12-8 = 4mRelated questions
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