1. Chapter 12 Class 6 Ratio and Proportion
  2. Serial order wise
  3. Ex 12.1
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Ex 12.1, 12 - Chapter 12 Class 6 Ratio and Proportion

Last updated at Dec. 16, 2024 by Teachoo

Transcript

Ex 12.1, 12 Cost of a dozen pens is Rs 180 and cost of 8 ball pens is Rs 56. Find the ratio of the cost of a pen to the cost of a ball pen. Cost of 12 pens = Rs 180 Cost of 1 pen = Rs 180/12 = Rs 90/6 = Rs 45/3 = Rs 15/1 = Rs 15 Cost of 8 ball pens = Rs 56 Cost of 1 ball pen = Rs 56/8 = Rs 28/4 = Rs 14/2 = Rs 7/1 = Rs 7 Ratio = (𝐶𝑜𝑠𝑡 𝑜𝑓 𝑝𝑒𝑛)/(𝐶𝑜𝑠𝑡 𝑜𝑓 𝑏𝑎𝑙𝑙 𝑝𝑒𝑛) = (𝑅𝑠 15)/(𝑅𝑠 7) = 15/7 ∴ Required ratio is 15 : 7
  1. Chapter 12 Class 6 Ratio and Proportion
  2. Serial order wise

    3. Ex 12.1

    Ex 12.2 →
Ex 12.2 →
Chapter 12 Class 6 Ratio and Proportion
Serial order wise

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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