Example 2 Sushant reads 1/3 part of a book in 1 hour. How much part of the book will he read in 2 1/5 hours?Part of book read in 1 hour = 1/3 Part of book read in 2 1/5 hours = = 1/3 × (2+1/5) = 1/3 × ((2 × 5 + 1)/5) = 1/3 × ((10 + 1)/5) = 𝟏/𝟑 × 𝟏𝟏/𝟓 = 𝟏𝟏/𝟏𝟓 ∴ 𝟏𝟏/𝟏𝟓 part is read.

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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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