Question

Petrol and kerosene are mixed together in the ratio 2 : 3. The average cost of kerosene is ₹ 30 per litre and the

average cost of the mixture is ₹ 25 per liter, then find the average cost of petrol per litre.

A) ₹ 19 per litre

B) ₹ 18.50 per litre

C) ₹ 17.5 per litre

D) ₹ 20 per litre​

Answer 1

Answer:

C

Step-by-step explanation:

counting 2:3 ratio, (2+3)litre=5L mix costs 5×25=125

3L kerosene= 3×30=90

125-90=35 costs for 2L petrol

Average cost for petrol=(35/2)=17.5

Answer 2

Answer:

ans is

Step-by-step explanation:

17.5

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