Find duplicate ratio of 3 : 4

Question

Sum

Solution

Duplicate ratio of 3 : 4

= 3² : 4²

= 9 : 16

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Q 21.(i)Q 20.(iii)Q 21.(ii)

Chapter 7: Ratio and Proportion (Including Properties and Uses) - Exercise 7 (A) [Page 88]

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Selina Concise Mathematics [English] Class 10 ICSE

Chapter 7 Ratio and Proportion (Including Properties and Uses)
Exercise 7 (A) | Q 21.(i) | Page 88

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