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You have 25 horses, and you want to know which are the top 3 fastest, but you don't have a stopwatch. You can race the horses, but the track is only big enough to fit 5 horses at a time. How do you find the first, second and third fastest horses using the least amount of races possible?
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Financial Software Developer

Interviewed at Bloomberg

4★
Jan 30, 2010

You have 25 horses, and you want to know which are the top 3 fastest, but you don't have a stopwatch. You can race the horses, but the track is only big enough to fit 5 horses at a time. How do you find the first, second and third fastest horses using the least amount of races possible?

Problem Statement : 18 Ralway Stations from Tamil Nadu are given. A passenger need ticket. Upto the 5 stations journey, fare is 10 Rs. After the 5 stations, for every 5 stations, 5 Rs extra will be charged. For the full stretch journey i.e. From 1st to the last station, fare is 20 Rs. Input 1 : StationFrom - Guindy, StationTo - Kadambakkam Output 1 : Print ticket. i.e. StationFrom : Guindy, StationTo : Kadambakkam, Total Stops : 3, Total Fare : 10 Input 2 : StationFrom - Guindy , StationTo - Chennai Fort Output 2 : Print ticket. i.e. StationFrom : Guindy, StationTo : Chennai Fort, Total Stops : 8, Total Fare :15 Code should follow design principles, patterns. Test Driven Development would be preferable, not mandatory though.
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Software Developer

Interviewed at Thoughtworks

4★
Aug 28, 2015

Problem Statement : 18 Ralway Stations from Tamil Nadu are given. A passenger need ticket. Upto the 5 stations journey, fare is 10 Rs. After the 5 stations, for every 5 stations, 5 Rs extra will be charged. For the full stretch journey i.e. From 1st to the last station, fare is 20 Rs. Input 1 : StationFrom - Guindy, StationTo - Kadambakkam Output 1 : Print ticket. i.e. StationFrom : Guindy, StationTo : Kadambakkam, Total Stops : 3, Total Fare : 10 Input 2 : StationFrom - Guindy , StationTo - Chennai Fort Output 2 : Print ticket. i.e. StationFrom : Guindy, StationTo : Chennai Fort, Total Stops : 8, Total Fare :15 Code should follow design principles, patterns. Test Driven Development would be preferable, not mandatory though.

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