Question
Which of the following combination is
true? Study the following information carefully and answer the questions given below it. Seven persons namely – Aman, Raghav, Radhey, Salman, Ram, Shiv and Bharat visits different place viz. Dehradun, Aligarh, Kanpur, Jaipur, Punjab, Meerut and Mumbai from Monday to Sunday. Each of them has different watch viz. Rolex, Omega, CASIO, Tissot, Titan, Timex and Citizen. All the above given information is not necessary in same order. There were three days gap between the one who has Titan and the one who visits Mumbai. The one, who visits Dehradun, visits on any day after Friday. There were two days gap between the one, who have Tissot and Shiv who visits Dehradun. There were three days gap between Salman and the one who visits Kanpur. One person visits between the one who visits Mumbai and Radhey, who has Rolex. The one, who visits Punjab, visits on adjacent day of the one who has Timex. At least three person visits between the one, who visits Jaipur and the one, who has Citizen. There were two days gap between Bharat and the one who likes Omega, who visits on adjacent day of the one who has Tissot. Radhey neither visits on adjacent day of the one has Tissot nor on adjacent day of Shiv. Aman visits Aligarh on Tuesday. Bharat neither has Titan nor visits before the one who visits Punjab and he visits Meerut. Salman and the one who has CASIO, visits the cities on adjacent days. Neither Salman nor Raghav visits Kanpur. There were two days gap between Aman and the one who has Timex.Solution
We have: The one, who visits Dehradun, visits on any day after Friday, that means we have two possible day for the one who visits Dehradun, in case (1) the one who visits Dehradun, visits on Saturday, in case (2) the one who visits Dehradun, visits on Sunday. There were two days gap between the one, who have Tissot and Shiv who visits Dehradun. Aman visits Aligarh on Tuesday. There were two days gap between Aman and the one who has Timex. The one, who visits Punjab, visits on adjacent day of the one who has Timex, that means we have three possible day for the one who visits Punjab, in case (1) & case (2a) the one who visits Punjab visits on Thursday, in case (2b) the one who visits Punjab visits on Saturday. Based on above given information we have: 
Again, we have:  Radhey neither visits on adjacent day of the one has Tissot nor on adjacent day of Shiv. One person visits between the one who visits Mumbai and Radhey, who has Rolex, that means Radhey visits on Monday. There were three days gap between the one who has Titan and the one who visits Mumbai. Bharat neither has Titan nor he visits before the one who visits Punjab and he visits Meerut. There were two days gap between Bharat and the one who likes Omega, who visits on adjacent day of the one who has Tissot, that means case (2b) is not valid, in case (1) Bharat visits on Friday, in case (2a) Bharat visits on Saturday. Based on above given information we have: 
Case (2b) is not valid as Bharat doesn’t visit before the one who visits Punjab. Again, we have: The one who has CASIO and Salman visits on adjacent days. There were three days gap between Salman and the one who visits Kanpur, that means in case (1) Salman visits on Wednesday, in case (2) Salman visits on Friday. Neither Salman nor Raghav visits Kanpur, that means in case (1) Raghav visits Punjab. At least three person visits between the one, who visits Jaipur and the one, who has Citizen, that means case (2a) is not valid. Based on above given information we have final arrangement we have: 
Case (2a) is not valid as At least three person visits between the one, who visits Jaipur and the one, who has Citizen.
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