Xavier Aptitude Test 2012 Paper

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DIRECTIONS (Qs. 69-70): On the based of the following information
Ramya, based in Shanpur, took her car for a 400 km trip to Rampur. She maintained a log of the odometer readings and the amount of petrol she purchased at different petrol pumps at different prices (given below). Her car already had 10 litres of petrol at the start of the journey, and she first purchased petrol at the start of the journey, as given in the table below, and she had 5 litres remaining at the end of the journey.
   OdometerReading(Km)  Petrolpurchased( Litre )  Rate ofPetrol( ₹/litre )
 Start of journey  400  20  30
 600  15  35
 650  10  40
 End of journey  800    
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Question : 69 of 85
 
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What has been the mileage (in kilometres per litre) of her car over the entire trip?
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