If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, what is the ratio between A to D ?

If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, what is the ratio between A to D ? ?

Created: 1 week ago | Updated: 1 week ago | Created By:

Imran Ahmed

5 :4

13 : 4

16 : 35

13 : 20

0 2

Best Answer Explained in Below-:

A : B = 2 : 3 = (2 x 8) : (3 x 8) = 16 : 24 B : C = 4 : 5 = (4 x 6) : (5 x 6) = 24 : 30 C : D = 6 : 7 = (6 x 5) : (7 x 5) = 30 : 35 So, A : B : C : D = 16 : 24 : 30 : 35 Therefore, A : D = 16 : 35

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The average age of three persons is 30 years. If the ratio of three ages is 3 : 5 : 7, what is the age of the youngest person ?

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