Question
How many boxes are placed between the box with HP and
V? Study the following information carefully and answer the questions given below. Seven boxes viz. P, Q, R, S, T, U and V are placed in a linear row such that all of them are facing towards north, but not necessarily in the same order. Each box contains different brand laptop viz. Lenovo, Dell, Acer, Asus, HP, Apple and Razer. The box with Apple is placed fourth to the left of R. Only two boxes are placed between R and V, which has Acer. Q is placed on one of the ends but not to the right of V. The number of boxes between Q and V is the same as between the boxes with Acer and Dell, which is placed to the immediate left of the box with Lenovo. Only three boxes are placed between the box with Lenovo and S. T is placed adjacent to the box with Razer. P is placed third to the left of the box with HP, but doesn’t with Lenovo.Solution
The box with Apple is placed fourth to the left of R. Only two boxes are placed between R and V, which has Acer. Q is placed on one of the ends but not to the right of V. Case-1 
The number of boxes between Q and V is the same as between the boxes with Acer and Dell, which is placed to the immediate left of the box with Lenovo. Only three boxes are placed between the box with Lenovo and S. Hence, case 1 gets eliminated. Case-2 
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