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Q: Vivek and Raja had some books whose ratio was 7: 9 and similarly the ratio of books of Abhishek and Raja was 7: 15, then tell us what was the ratio of books of Vivek and Abhishek?

A. 07:05:00
B. 05:03:00
C. 07:03:00
D. 15:19:00
Answer» C. 07:03:00


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