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Arka Roy

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Aman Seth

a year ago

thank you sir.

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Ratio and Proportion made easy Lesson 5

Important properties of ratio Property 11 A:B=N1 . DI A: B:C: D: E

Important properties of ratio Property 11 (Example) A: B 2:3 B:C=4:5 C: D 6:7 A: B:C: D: E (2X 4X 6X 8): (3X4X6X8): (3X 5X 6X8): (3X5X7X8): (3X5X7X9) ->384 576: 720: 840:945

Important properties of ratio Property 12 A:B=3:1 A 3 B 1 A = 3B

Proportion a b c:d b d . If 3 numbers are in continuous proportion a b: b c 2.1,2

Thank You Arka Roy