If p ∶ q = 2 ∶ 1; q ∶ r = 7 ∶ k; r ∶ s = 7 ∶ 5 and s� – McqOptions

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1.	If p ∶ q = 2 ∶ 1; q ∶ r = 7 ∶ k; r ∶ s = 7 ∶ 5 and s ∶ p = 5 ∶ 2, then find the value of k:
A.	51
B.	48
C.	49
D.	50
Answer» D. 50

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