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Alok and Bhanu play the following min-max game. Given the
expression N=40+X+Y-Z, where X, Y and Z are variables
representing single digits (0 to 9), Alok would like to
maximize N while Bhanu would like to minimize it. Towards
this end, Alok chooses a single digit number and Bhanu
substitutes this for a variable of her choice (X, Y or Z).
Alok then chooses the next value and Bhanu, the variable to
substitute the value. Finally Alok proposes the value for
the remaining variable. Assuming both play to their optimal
strategies, the value of N at the end of the game would be
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Answer Posted / joydeep bkp
The answer is 51 ..1st no will b 7 ...vanu wil put it on x..if he puts z=7 then the nxt two numbrs will be 9 9..so ans will be 51 ..now x=7 nxt no will be 5 then if y=5 last no will b zero..so n = 52 ..vanu must put z=5 ..at last alok will give 9..so the result will be 40+7+9-5=51 ...hope its sprite..clear hai? :P
| Is This Answer Correct ? | 8 Yes | 7 No |
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