Ex 11.1, 8 Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What would be her distance covered in the map?In map, 1 cm represents 18 km Let x cm represent 72 km. Thus, our table looks like Now, as distance in map increases, the actual distance also increases ∴ Distance on map and Actual Distance are in direct proportion 𝟏/𝟏𝟖 = 𝒙/𝟕𝟐 72 × 1/18 = 𝑥 4 = 𝑥 𝑥 = 4 cm ∴ Rashmi has covered 4 cm distance in map

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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 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.