Ex 8.4, 5 - Chapter 8 Class 6 Decimals

Last updated at April 16, 2024 by

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Ex 8.4, 5 Tina had 20 m 5 cm long cloth. She cuts 4 m 50 cm length of cloth from this for making a curtain. How much cloth is left with her?Total length of cloth = 20 m 5 cm Cloth cut for making curtain = 4 m 50 cm Cloth left = 20 m 5 cm − 4m 50 cm = (20 m + 5 cm) – (4 m + 50 cm) = (20 m – 4 m) + (5 m – 50 cm) = 16 m − (50 cm – 5 cm) = 16 m − 45 cm = 16 m − 45 × 1 cm = 16 m − 45 × 1/100 m = 16 m − 45/100 m = 16 × 100/100 − 45/100 = 𝟏𝟔𝟎𝟎/𝟏𝟎𝟎 − 𝟒𝟓/𝟏𝟎𝟎 = ((1600 − 45)/100) = 1555/100 = 15.55 m ∴ Cloth left = 15.55 m

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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, Social Science, Physics, Chemistry, Computer Science at Teachoo.