S can be examined in any of the following time slots EXCEPT
Six patients --- K, L, M, S, T, U --- must each be scheduled for examination by a doctor. The patients are to be examined one at a time in six consecutive time slots on the same day according to the following conditions:
> M cannot be examined immediately before or immediately after S.
> L must be examined immediately before U.
> K must be examined fourth.
সঠিক উত্তর: Option B
Solution:
S কে আমরা কোন Position এ Examine করতে পারব না ।
| a) | 1 | 2 | 3 | 4 | 5 | 6 |
| হতে পারে কারণঃ | S | T | M | K | L | U |
| b) | 1 | 2 | 3 | 4 | 5 | 6 |
| M | S | K | L | U |
কখনই হবে না । কারণ S ২য় Position এ থাকবা (১) অথবা (2) নং শর্ত ভঙ্গ হবে ।
তাই এটিই উত্তর ।
| c) | 1 | 2 | 3 | 4 | 5 | 6 |
|
হতে পারে কারণঃ |
M | T | S | K | L | U |
| d) | 1 | 2 | 3 | 4 | 5 | 6 |
|
হতে পারে কারণঃ |
M | L | U | K | S | T |
| e) | 1 | 2 | 3 | 4 | 5 | 6 |
|
হতে পারে কারণঃ |
M | L | U | K | T | S |