In an international conference scientists from six different countries are invi

Question

In an international conference scientists from six different countries are invited. They are from America, Germany, France, Japan, Russia and India. On a particular day presentations of these six scientists are scheduled. German scientist's presentation is the only presentation between the presentations of the Russian and the Indian scientists. There are three presentations between the presentations of the French and the Japanese scientists.If the Russian scientist's presentation is before the American scientist's presentation and the Japanese scientist's presentation is immediately after the Indian scientist's presentation, then the Russian scientist's presentation is the __.

Answer: Option A

It is given that German scientist's presentation is the only presentation between the presentation of the Russian and the Indian scientists. The order could beIndian / RussianGermanRussian / IndianThere are three presentations between the presentations of the French and the Japanese scientists. These three must be that of the Indian, the German and the Russian scientists.=> The American scientists is either the first one or the last one.Hence, the following arrangements are possible
1.American 1.French/Japanese 2.French/Japanese 2.Indian/Russian 3.Indian/Russian 3.German 4.German 4.Russian/Indian 5.Russian/Indian 5.Japanese/French 6.Japanese/French 6.American
The Russian scientist's presentation is before the American scientist's presentation. => American - 6^thThe Japanese scientist's presentation is immediately after the Indian scientist's presentation.=> Japanese - 5^th, Indian - 4^th, Russian - 2^nd

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