Find the ratio of 3 hours to 50 minutes, 18:5, 1:10, Find the ratio of 30 minutes to 01 hour., 1:10, 1:2, Find the ratio of 400 cm to 3 meters., 4:4, 4:3, Find the ratio of 100 grams to 01 kilogram., 4:10, 1:5, Find the ratio of 30 minutes to 2 hours and 30 minutes., 1:5, 2:3.

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