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Question 1 A train starts from station P towards Q with certain speed. Due to a problem, after crossing 50km, the train slows down to 2/3 rd of its actual speed and it reaches Q 50 minutes later than the planned time. Suppose the technical problem had happened after crossing 60 km and the train would had reached 40 minutes late. What is the actual(original) speed of the train and what is the distance between P and Q ? a)30km/hr, 100km b)20km/hr,80km c)40km/hr,150km d)50km/hr,150km Answer : a)30km/hr, 100km Solution: Let the distance between P and Q be X and the speed initially be V. Note that the train travels 50km with speed V and the remaining distance(X-50)km with speed 2/3 of V. According to the above condition, with the formula " distance/speed = time", we can have Time Taken For First 50 Km + Time Taken For Remaining (X-50) Km = Planned Time + Extra Time Due To Problem [50/V]+[(X-50)/(2V/3)] = [X/V]+5/6 (here 50 minutes = 5/6 hours) [100+3X-1...

Here are the details of Infosys Placement Paper I job in Infosys Here you will find Infosys Placement Paper Pattern and Download questions of Infosys Placement Paper 2010 with Answers & Solutions. Infosys Placement Paper Pattern 2010:- 1) arithmetic and reasoning skills : 30 questions -----40 mins 2) verbal English grammar & comprehension) : 40 questions -----30 mins Infosys Placement Paper 2010:- Arithmetic:- 1. There is a merry-go-round race going on.One person says,"1/3 of those in front of me and 3/4 of those behind me, give the total number of children in the race". Then the number of children took part in the race? (repeated from previous papers) Ans: 13 [ Assume there are x participants in the race.In a round race,no: of participants in front of a person wil be x-1 an that behind him wil b x-1. i.e, 1/3(x-1) + 3/4(x-1) = x ; solving x = 13 ] 2. In an Island the natives lie and visitors speak truth. A man wants to know whether a salesman...