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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8

In a map, if 1 inch refers to 120 km, then find the distance between two cities B and C which are 416 inches and 313 inches from the city A which lies between the cities B and C - Mathematics

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Question

In a map, if 1 inch refers to 120 km, then find the distance between two cities B and C which are `4 1/6` inches and `3 1/3` inches from the city A which lies between the cities B and C

Sum

Solution


1 inch = 120 km

Distance between A and B = `4 1/6`

Distance between A and C = `3 1/3`

∴ Distance between B and C = `4 1/6 + 3 1/3` inches

= `25/6 + 10/3`

= `25/6 + 20/6`

= `(25 + 20)/6`

= `45/6` inches

1 inch = 120 km

∴ `45/6` inches = `45/6 xx 120  "km"` = 900 km

Distance between B and C = 900 km

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Chapter 1: Numbers - Exercise 1.7 [Page 47]

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Samacheer Kalvi Mathematics [English] Class 8 TN Board
Chapter 1 Numbers
Exercise 1.7 | Q 11 | Page 47
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