Question 89

If A: B = 1: 3, B: C = 5: 7, C: D = 9: 7 then A: B: C: D = ?

Solution

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Now,
A:B = 1:3 = 15:45
B:C = 5:7 = 45:63
C:D = 9:7 = 63:49
Now, A:B:C:D = 15:45:63:49
Therefore, the correct option is option A.
 

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