Question
How many persons are not facing south?
Study the following information carefully and answer the questions given below. Eight persons A, B, C, M, N, O, Y and Z are sitting in straight line. Some of them are facing north while some of the facing south but not necessarily in the same order. Y sits at one of the extreme ends of the line. Only three persons sit between O and Y. A sits second to the right of O. Both C and B are facing the same direction. M faces north. N sits to the immediate right of Y. C sits third to the right of B. Both O and N face the same direction as A. Only three persons sit between M and Z. O sits to the immediate left of M. Z is not facing the same direction as Y. Both the immediate neighbors of M face opposite directions.Solution
Y sits at one of the extreme ends of the line. Only three persons sit between O and Y. N sits to the immediate right of Y. O sits to the immediate left of M. M faces north. Case-1 Only three persons sit between M and Z. Z is not facing the same direction as Y. C sits third to the right of B. Both C and B are facing the same direction. A sits second to the right of O. Both the immediate neighbors of M face opposite directions. Both O and N face the same direction as A. Hence, case 1 gets eliminated.
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рд╕рд╛ рд╡рд╛рдХреНрдп рд╢реБрджреНрдз рд╣реИ?
'рдкреАрддрд╛рдВрдмрд░' рдореЗрдВ рдХреМрди рд╕рд╛ рд╕рдорд╛рд╕ рд╣реИ?
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди┬а - рд╕рд╛ рд╕рд╣реА рд╕реБрдореЗрд▓рд┐рдд рдпреБрдЧреНрдо рдирд╣реАрдВ рд╣реИ?
- рд╣рд┐рдВрджреА рднрд╛рд╖рд╛ рдХреЛ рдХрд┐рд╕ рдЕрдиреБрдЪреНрдЫреЗрдж рдХреЗ рдЕрдВрддрд░реНрдЧрдд рд╕рдВрд╡рд┐рдзрд╛рди рдореЗрдВ рд╢рд╛рдорд┐рд▓ рдХрд┐я┐╜...
рдиреАрдЪреЗ рджрд┐рдП рд╡рд╛рдХреНрдпреЛрдВ рдореЗрдВ рд╕реЗ рдХреБрдЫ рдореЗрдВ рддреНрд░реБрдЯрд┐рдпрд╛рдБ рд╣реИрдВ рдФрд░ рдХреБрдЫ рдареАрдХ рд╣я┐╜...
рдЕрд╡рд╕рд░ рдХреЗ рдЕрдиреБрд░реВрдк рдмрджрд▓ рдЬрд╛рдиреЗ рд╡рд╛рд▓реЗ рдХреЛ рдХрд╣рддреЗ рд╣реИрдВ:
рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдореЗрдВ рд╕реЗ рдХреМрди рд╕рд╛ рд╡рд░реНрдг рдорд╣рд╛рдкреНрд░рд╛рдг рд╡реНрдпрдВрдЬрди рд╣реИ?
рдЗрдирдореЗрдВ рд╕реЗ рдЕрд╢реБрджреНрдз рд╡рд╛рдХреНрдп рдХреМрди рд╕рд╛ рд╣реИ ?
рджрд┐рдП рдЧрдП рд╡рд╛рдХреНрдпреЛрдВ рдореЗрдВ рдПрдХ рд╡рд╛рдХреНрдп рд╢реБрджреНрдз рд╣реИ рдФрд░ рддреАрди рдЕрд╢реБрджреНрдз рд╣реИрдВя┐╜...
рд╕реНрд╡рд╛рдЧрдд рдХрд╛ рд╕рдиреНрдзрд┐ рд╡рд┐рдЪреНрдЫреЗрдж рдХреНрдпрд╛ рд╣реИ ?