1.

The ratio of the density of 3 kinds of petrol P_1, P_2 and P_3 is 9 : 7 : 5. The density of P_1 is 18 gm/cc and P_1, P_2 and P_3 are mixed in the ratio of 6 : 5 : 4 by weight. If a litre of P_3 cost ₹ 40, then find the cost of P_3 in 450 kg of mixture of P_1, P_2 and P_3 :

Answer»

₹ 380
₹ 480
₹ 355
₹ 448

Answer :B


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