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  1. Chapter 8 Class 8 Comparing Quantities
  2. Serial order wise
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Example 1 (iii) A picnic is being planned in a school for Class VII. Girls are 60% of the total number of students and are 18 in number. The picnic site is 55 km from the school and the transport company is charging at the rate of Rs 12 per km. The total cost of refreshments will be Rs 4280. Can you tell. 3. If their first stop is at a place 22 km from the school, what per cent of the total distance of 55 km is this? What per cent of the distance is left to be covered? Given Distance of first stop = 22 km Total distance = 55 km Percentage = (๐ท๐‘–๐‘ ๐‘ก๐‘Ž๐‘›๐‘๐‘’ ๐‘œ๐‘“ ๐‘“๐‘–๐‘Ÿ๐‘ ๐‘ก ๐‘ ๐‘ก๐‘œ๐‘)/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐ท๐‘–๐‘ ๐‘ก๐‘Ž๐‘›๐‘๐‘’) ร— 100 = 22/55 ร— 100 % = 2/5 ร— 100 % = 40 % โˆด First stop is 40% of the total distance. Percentage of distance left to be covered = 100% โˆ’ 40% = 60% โˆด 60% of the distance is left to be covered.

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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.