Question
Who travels
alone? Study the following information carefully and answer the given questions: Seven friends P, Q, R, S, T, U and V are going to a engagement ceremony in 4 different cars viz. Audi, BMW, Skoda and Thar with not more than two in each car. They are wearing different coloured clothes – White, Blue and Black. There are 5 boys and 2 girls in different cars. Both the friends who are travelling by Skoda are wearing Black coloured dress. No girl travels in Skoda car. Both the boys, P and Q are travelling by BMW and they are wearing blue coloured dress. Neither R nor V travels by Skoda. The person who travels by Thar does not wear Blue colour. S is travelling by Thar car and he does not like Black coloured dress. V is wearing Blue colour. No girl travels in the same car in which person wearing white coloured dress travels as both the girls do not like white coloured dress.Solution
P and Q are boys travelling in BMW and wearing blue coloured dress.S is travelling by Thar and he is not wearing Black coloured dress. And the boy who travels in Thar does not wear Blue coloured dress. So, S must be wearing White coloured dress. The persons travelling in Skoda are wearing black coloured dress. No girl travels in Skoda. Girls do not like White colour 
Neither R nor V travels in Skoda. Also no girl travels in same car in which person wearing White coloured dress travels. V is wearing Blue coloured dress From the above statements, we can conclude: 
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