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B
16:25
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C
4:5
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D
5:4
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Solution
The correct option is B
16:25
Here we have, A: B = 4: 5, B: C = 6: 7 and C: D = 14: 15 or AB = 45, BC = 67 and CD = 1415 or AB×BC×CD = 45×67×1415 [Multiplying all the ratios] or AD = 1625 Thus, A:D = 16:25