A, B and C invested capital in the ratio 5 : 7 : 4, the timing of their investments being in the ratio x : y : z. If their profits are distributed in the ratio 45 : 42 : 28, then x : y : z = ?
A. 9 : 6 : 7
B. 7 : 9 : 4
C. 9 : 4 : 7
D. 6 : 7 : 9
Answer: Option C
Solution (By Examveda Team)

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