Question
Who among the following sits immediate right of Q?
Study the following information carefully and answer the questions given below. Eight friends тАУ M, N, O, P, Q, R, S, and T, are seating on nine seats in a straight line at an equal distance but not necessarily in the same order. One seat in the row is vacant. All of them are facing north directions. There are three persons sit between O and N. The person who sits two places away from N sits fourth to the right of M. M sits neither adjacent to O nor adjacent to S. The person who sits immediate left of the vacant seat sits two places away from O. Q does not sit adjacent to O. R sits two places away from Q. The number of persons who sits between N and R is one less than the number of persons who sits between S and Q. M does not sit at the end. T sits adjacent to N. The number of persons who sits between Q and P is same as the number of persons who sits between T and O. Q does not sit right of N.Solution
There are three persons sit between O and N. The person who sits two places away from N sits fourth to the right of M. M sits neither adjacent to O nor adjacent to S. The person who sits immediate left of the vacant seat sits two places away from O.
Q does not sit adjacent to O. R sits two places away from Q. The number of persons who sits between N and R is one less than the number of persons who sits between S and Q. M does not sit at the end. Q does not sits right of N.
T sits adjacent to N. This eliminates case 1a. The number of persons who sits between Q and P is same as the number of persons who sits between T and O. This eliminates case 1 and 1a. so final case-2 Case-2 
рдиреАрдЪреЗ рджрд┐рдпрд╛ рдЧрдпрд╛ рдкреНрд░рддреНрдпреЗрдХ рд╡рд╛рдХреНрдп рдЪрд╛рд░ рднрд╛рдЧреЛрдВ рдореЗрдВ рдмрд╛рдВрдЯрд╛ рдЧрдпрд╛ рд╣реИ рдЬя┐╜...
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдкреНрд░рддреНрдпреЗрдХ рдкреНрд░рд╢реНрди рдХреЛ рдЪрд╛рд░ рднрд╛рдЧреЛрдВ рдореЗрдВ рдмрд╛рдБрдЯрд╛ рдЧрдпрд╛ рд╣реИя┐╜...
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рд╡рд╛рдХреНрдп рдореЗрдВ рд╕реЗ рдЕрд╢реБрджреНрдз рд╡рд░реНрддрдиреА рд╡рд╛рд▓рд╛ рд╢рдмреНрдж рдкрд╣рдЪрд╛рдирд┐рдПя┐╜...
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рд╡рд╛рдХреНрдп рдореЗрдВ рдХреБрдЫ рдЕрдХреНрд╖рд░/рд╢рдмреНрдж рдореЛрдЯреЗ рдЕрдХреНрд╖рд░реЛрдВ рдореЗрдВ рджрд░реНя┐╜...
рдиреАрдЪреЗ рджрд┐рдпрд╛ рдЧрдпрд╛ рдкреНрд░рддреНрдпреЗрдХ рд╡рд╛рдХреНрдп рдЪрд╛рд░ рднрд╛рдЧреЛрдВ рдореЗрдВ рдмрд╛рдВрдЯрд╛ рдЧрдпрд╛ рд╣реИ рдЬя┐╜...
рдордпрдВрдХ рдиреЗ рдЧреЬрд┐рдд (a ) (a ) / рдХреЗ рд╕рднреА рдкреНрд░рд╢реНрди рд╣рд▓ (b ) / рдХрд┐рдпреЗ рдереЗ рдЗрд╕рд▓рд┐рдП (c )/ рдЙя┐╜...
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рд╡рд╛рдХреНрдп рдореЗрдВ рдХреБрдЫ рдЕрдХреНрд╖рд░/рд╢рдмреНрдж рдореЛрдЯреЗ рдЕрдХреНрд╖рд░реЛрдВ рдореЗрдВ рджрд░реНя┐╜...
рджрд┐рдП рдЧрдП рд╡рд╛рдХреНрдп рдореЗрдВ рд╕реЗ рдЧрд▓рдд рд╡рд░реНрддрдиреА рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдПред
рдЙрд╕рдХреЗ рд╡реНрдпрд╡рд╣я┐╜...
рдирд┐рдореНрд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдЕрд╢реБрджреНрдз┬а рд╡рд╛рдХреНрдп рдЫрд╛рдБрдЯрд┐рдП┬а┬а
рджрд┐рдП рдЧрдП рд╡рд╛рдХреНрдп рдореЗрдВ рд╕реЗ рдЧрд▓рдд рд╡рд░реНрддрдиреА рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдПред
рдЙрд╕рдХреА рд╡рд╛рдгреА рдо...