जर l ∶ m = 2 ∶ 7, m ∶ n = 3 ∶ 4 आणि n ∶ k = 14 ∶ 5, तर l ∶ m ∶ n ∶ k आहे:

1
6 ∶ 21 ∶ 28 ∶ 10
2
6 ∶ 21 ∶ 7 ∶ 10
3
6 ∶ 7 ∶ 14 ∶ 10
4
6 ∶ 21 ∶ 14 ∶ 10

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