car travelled 60 km to the north of Patna and then 90 km to the south – InterviewSolution

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1.	car travelled 60 km to the north of Patna and then 90 km to the south from there. How farom Patna was the car finally?bought some pencils for 30 and some pens for 90. The next day, he again boughtpencils for? 25. Then, he sold all the pencils for? 20 and the pens for 70. What wasmanmenet gain or loss?
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