Ex 7.1, 5 (d) - Chapter 7 Class 7 Comparing Quantities

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Ex 7.1, 5 Find the whole quantity if (d) 70% of it is 14 minutes Given 70% of total is 14 minutes Therefore, 70% × Total = 14 minutes 70/100 × Total = 14 minutes Total = 14 × 𝟏𝟎𝟎/𝟕𝟎 minutes Total = 14 × 10/7 minutes Total = 2 × 10 minutes Total = 20 minutes So, total is 20 minutes

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo