Question
Who among the following person goes immediately before
I? Study the following information carefully and answer the question given below: Seven persons go for practice on seven different days of the week (Monday to Sunday). They all like different colours i.e. Pink, Red, Green, Orange, Yellow, White and Black. All information is not necessarily in same order. The person who likes White go immediately before N. More than three persons go between N and O, who likes Red. O does not go on Tuesday. Two persons go between the one who likes White and the one who likes yellow. Equal number of persons goes before and after I, who likes Pink. As many persons go between J and I as many between I and N. M who likes Orange goes before K who likes Black. L does not like Green.Solution
The person who likes White go immediately before N. More than three persons go between N and O, who likes Red. O does not go on Tuesday. Two persons go between the one who likes White and the one who likes Yellow. There will be two cases: If the person who likes White go on Monday, then N will go on Tuesday and O will go on Sunday. If the person who likes White go on Friday, then N will go on Saturday and O will go on Monday. 
Equal number of persons goes before and after I, who likes Pink. It means I goes on Thursday. But case 1 will get discarded as I likes Pink. 
As many persons go between J and I as many between I and N. M who likes Orange goes before K who likes Black. L does not like Green. We know that only one person goes between I and N. So, J will go on Tuesday. M and K will go on Wednesday and Sunday respectively. Only colour left for N is Green and only person left for the one who goes on Friday is L. Final arrangement as shown below: 
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