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Question

A person purchased petrol and kerosene oil for Rs.62 per litre and Rs 55 per litre respectively. In what ratio should petrol be mixed with kerosene oil so that after selling the mixture at Rs.72.50/litre he may get a profit of 25 %?

A 3:4

B 5:8

C 9:2

D 5:7

E None of these

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