Q. If a : b = 5 : 7 and c : d = 2a : 3b, then ac : bd is : - Study24x7
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Q. If a : b = 5 : 7 and c : d = 2a : 3b, then ac : bd is :

A

20 : 38

B

50 : 147

C

10 : 21

D

50 : 151

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