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Question

Study the following information carefully and answer the questions given below it. Seven persons namely – A, B, C, D, E, F and G visits different country viz. Australia, Canada, Bangladesh, Germany, China, France and Afghanistan from Monday to Sunday. Each of them has different colour viz. Red, White, BLACK, Yellow, Pink, Green and Blue. All the above given information is not necessary in same order. There were three days gap between the one who has Pink and the one who visits Afghanistan. The one, who visits Australia, visits on any day after Friday. There were two days gap between the one, who have Yellow and F who visits Australia. There were three days gap between D and the one who visits Bangladesh. One person visits between the one who visits Afghanistan and C, who has Red. The one, who visits China, visits on adjacent day of the one who has Green. At least three person visits between the one, who visits Germany and the one, who has Blue. There were two days gap between G and the one who likes White, who visits on adjacent day of the one who has Yellow. C neither visits on adjacent day of the one has Yellow nor on adjacent day of F. A visits Canada on Tuesday. G neither has Pink nor visits before the one who visits China and he visits France. D and the one who has BLACK, visits the cities on adjacent days. Neither D nor B visits Bangladesh. There were two days gap between A and the one who has Green.

If G and the person who have Red interchange their visiting days then how many persons visits after the person who have BLACK colour?

A 3 Correct Answer Incorrect Answer
B 2 Correct Answer Incorrect Answer
C 4 Correct Answer Incorrect Answer
D 1 Correct Answer Incorrect Answer
E 5 Correct Answer Incorrect Answer

Solution

The one, who visits Australia, visits on any day after Friday, that means we have two possible day for the one who visits Australia, in case (1) the one who visits Australia, visits on Saturday, in case (2) the one who visits Australia, visits on Sunday.  There were two days gap between the one, who have Yellow and F who visits Australia. A visits Canada on Tuesday. There were two days gap between A and the one who has Green. The one, who visits China, visits on adjacent day of the one who has Green, that means we have three possible day for the one who visits China, in case (1) & case (2a) the one who visits China visits on Thursday, in case (2b) the one who visits China visits on Saturday. Based on above given information we have: C neither visits on adjacent day of the one has Yellow nor on adjacent day of F.  One person visits between the one who visits Afghanistan and C, who has Red, that means C visits on Monday.  There were three days gap between the one who has Pink and the one who visits Afghanistan.  G neither has Pink nor he visits before the one who visits China and he visits France. There were two days gap between G and the one who likes White, who visits on adjacent day of the one who has Yellow, that means case (2b) is not valid, in case (1) G visits on Friday, in case (2a) G visits on Saturday. Based on above given information we have: Case (2b) is not valid as G doesn’t visit before the one who visits China. The one who has BLACK and D visits on adjacent days. There were three days gap between D and the one who visits Bangladesh, that means in case (1) D visits on Wednesday, in case (2) D visits on Friday. Neither D nor B visits Bangladesh, that means in case (1) B visits China. At least three person visits between the one, who visits Germany and the one, who has Blue, that means case (2a) is not valid. Based on above given information we have final arrangement we have:

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