जर P ∶ Q = 3 ∶ 4, Q ∶ R = 8 ∶ 10, R ∶ S = 15 ∶ 17 आहे तर P ∶ Q ∶ R ∶ S ‌= ?

1
9 ∶ 15 ∶ 12 ∶ 17
2
9 ∶ 12 ∶ 17 ∶ 15
3
9 ∶ 12 ∶ 15 ∶ 17
4
15 ∶ 17 ∶ 12 ∶ 9

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