Example 10 - Chapter 12 Class 6 Ratio and Proportion

Last updated at August 10, 2026 by

Example 10 - Do the ratios 15 cm to 2 m and 10 sec to 3 minutes form

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Example 10 Do the ratios 15 cm to 2 m and 10 sec to 3 minutes form a proportion?2m = 2 ร— 100 cm = 200 cm 3 min = 3 ร— 60 sec = 180 sec 15 cm : 2 m = (15 ๐‘๐‘š)/(2 ๐‘š) = (15 ๐‘๐‘š)/(200 ๐‘๐‘š) = 15/200 = 3/40 = 3 : 40 10 sec : 3 min = (10 ๐‘๐‘š)/(3 ๐‘š๐‘–๐‘›) = (10 ๐‘ ๐‘)/(180 ๐‘ ๐‘’๐‘) = 10/180 = 1/18 = 1 : 18 โˆด 15 cm : 2 m โ‰  10 sec : 3 min Thus, Given ratios are not in proportion

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