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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

A picture of dart board is given. Find the percentage of white coloured portion and black coloured portion. - Mathematics

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Question

A picture of dart board is given. Find the percentage of white coloured portion and black coloured portion.

Sum
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Solution

Total sector = 20

White coloured sector = 10

Black coloured sector = 10

Percentage of white: `10/20 xx 100/100`

Decimal: `10/20 xx 100%`

= 50%

 Percentage of black colour : `10/20 xx 100/100`

Decimal: `10/20 xx 100%`

= 50%

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Chapter 2: Percentage and Simple Interest - Exercise 2.1 [Page 32]

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Samacheer Kalvi Mathematics - Term 3 [English] Class 7 TN Board
Chapter 2 Percentage and Simple Interest
Exercise 2.1 | Q 3 | Page 32

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