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  1. Chapter 12 Class 6 Ratio And Proportion
  2. Serial order wise
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Ex 12.3, 3 If it has rained 276 mm in the last 3 days, how many cm of rain will fall in one full week (7 days)? Assume that the rain continues to fall at the same rate. Rain in 3 days = 276 mm Rain in 1 day = 276/3 mm Rain in a week = Rain in 7 days = (276/3) × 7 mm = 92 × 7 mm = 644 mm = 644/10 cm = 64.4 cm 64.4 cm of rain will fall in our week

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.