Q. If a : b = 7 : 9 and b : c = 15 : 7, then what is a : c? - Study24x7
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Q. If a : b = 7 : 9 and b : c = 15 : 7, then what is a : c?

A

5 : 3

B

3 : 5

C

7 : 21

D

7 : 15

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