Question 8

If P : Q : R = 6 : 7 : 8 and R : S = 3 : 5, then what is P : S?

Solution

Given = $$P:Q:R=6:7:8$$ ---------(i)

and $$R:S=3:5$$ ------------(ii)

Multiplying equation (i) by 3 and equation (ii) by 8, we get :

=> $$P:Q:R=18:21:24$$ and $$R:S=24:40$$

Since, R is same in both, => $$P:S=18:40=9:20$$

=> Ans - (B)

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