Ex 12.1, 7 Find the ratio of the following: (b) 40 cm to 1.5 m40 cm to 1.5 m Here, We convert m into cm 1.5 m = 1.5 × 100 m = 15/10 × 100 = 15 × 10 = 150 cm So, Ratio = (40 𝑐𝑚)/(150 𝑐𝑚) = 40/150 Cancelling 0s = 4/15 ∴ Required ratio = 4 : 15

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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