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Categories >> Aptitude Questions >> General Aptitude
 
 


 

 
 English interview questions  English Interview Questions (454)
 General Aptitude interview questions  General Aptitude Interview Questions (1887)
 Puzzles interview questions  Puzzles Interview Questions (460)
Question
Alok and Bhanu play the following min-max game. Given the
expression

N = 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
 Question Submitted By :: Pathuri
I also faced this Question!!     Rank Answer Posted By  
 
  Re: Alok and Bhanu play the following min-max game. Given the expression N = 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
Answer
# 1
-18 
Is This Answer Correct ?    19 Yes 36 No
Anuj
 
  Re: Alok and Bhanu play the following min-max game. Given the expression N = 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
Answer
# 2
2 
Is This Answer Correct ?    63 Yes 8 No
Sandeep
 
 
 
  Re: Alok and Bhanu play the following min-max game. Given the expression N = 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
Answer
# 3
4 
Is This Answer Correct ?    4 Yes 14 No
Sabarimalai
 
  Re: Alok and Bhanu play the following min-max game. Given the expression N = 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
Answer
# 4
here alok try to maximize the value (0 to 9) so he says
0.then bhanu will substitute it for x or y or z.then N may
either of N=x-y or N=y-z or N=x-z.
next alok need to select value so he thinks to maximize the
value.when he select 6 bhanu will substitute it then N will
be either x-6 or 6-y.then if alok select value 1 will get -5
or 5.if he select 9 N will be 3 or -3.when if 5 is selected
x-5 or 5-z. then possible maximum value is 4 or -4.so 4 will
be answer because if 5 is selected probability of getting 4
is high.so alok need to maxize N will select 5.
-----guys if found this answer wrong.please post your answer.
 
Is This Answer Correct ?    7 Yes 13 No
Praveen
 
  Re: Alok and Bhanu play the following min-max game. Given the expression N = 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
Answer
# 5
alok says first number as 5 ,then bhanu substitutes it for y (say)..then the value will be x-5-z
then wat ever alok says it will be substituted in x or z ...if he says <5 then any number he says next will be negative answer only ...so he says <5 then also the same thing happens ...so finally the negative answer in the options will be the answer and there will be only one negative answer in the options (that is the twist in the problem):)
 
Is This Answer Correct ?    8 Yes 6 No
Vishnu
 
  Re: Alok and Bhanu play the following min-max game. Given the expression N = 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
Answer
# 6
-5 
Is This Answer Correct ?    2 Yes 8 No
Vidhyasugumar
 
  Re: Alok and Bhanu play the following min-max game. Given the expression N = 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
Answer
# 7
Alok like to maximize the value, Bhanu like to minimize the value,
for any value 1 to 9 value of the equation
N=X-Y-Z will be negative
minimum value will be X=Y=Z=9, N= -9 and maximum value
will be X=Y=Z=0 so, N=0
maximum value is 0(>any negative value).
 
Is This Answer Correct ?    1 Yes 8 No
Shatanu
 
  Re: Alok and Bhanu play the following min-max game. Given the expression N = 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
Answer
# 8
since ALOK is selecting the values for X,Y,Z and as he is
trying to obtain a max value for N he needs to select 9,0,0
for X,Y,Z respectively since,N=9-0-0=9(max case)
But as BHANU wants a minimum value for N he will most likely
will want to obtain a negative value for N,He would hve chosen
values for X,Y,Z as 0,9,9..since N=0-9-9=-18(min case)
NOW, ALOK is chosing values n BHANU is assigning them
we will obtain -9
since, N=0-9-0=-9
 
Is This Answer Correct ?    0 Yes 0 No
Deepak
 

 
 
 
Other General Aptitude Interview Questions
 
  Question Asked @ Answers
 
The First woman Noble ____________   1
Q1). The length of rectangle is increased by 15% and its breadth is decreased by 15%. The are of new rectangle is a) Decreased by 15% b) Decreased by 2.25% c) Increased by 15% d) Increased by 2.25% e) Neither increased nor decreased Q2). Two trains are running at 60 km/hr and 40 km/hr in the same direction. Fast train completely passes the man sitting in the slow train in 36 seconds. The length of the fast train is a) 200m b) 160m c) 240m d) 180m e) Cannot be determined Q3). A,B and C can complete a piece of work in 10 days, then how many people are required to finish the whole work in 25 days? a) 10 days b) 15 days c) 20 days d) 22 days e) 25 days Q4). 12 persons can do 3/5 of certain work in 10 days, then how many persons are required to complete the whole work in 25 days? a) 10 b) 9 c) 8 d) 7 e) 6 Q5). In an organization, 30% of the employees are matriculates, 60% of the remaining are graduates and the remaining 140 are post-graduates. How many employees are graduates? a) 210 b) 280 c) 350 d) 160 e) None of these Q6). If x: y = 3:4, then (2x+3y): (3y-2x) = a) 2:1 b) 4:1 c) 3:2 d) 5:3 e) 3:1 Q7). A mixture of 50 litres of milk and water contain 10% of water. How much water must be added to make water 20% in the given mixture? a) 5.5 litres b) 6.5 litres c) 6 litres d) 6.25 litres e) 6.75 litres Q8). A dealer marks his goods 25% above cost price. He then allows some discount on it and makes a profit of 9%. The rate of discount is a) 11.4% b) 12.8% c) 13.4% d) 14.2% e) 15.1% Q9). A number lying between 1000 and 2000 is such that on division by 2,3,4,5,6,7 and 8 leaves remainders 1,2,3,4,5,6 and 7 respectively. The number is a) 1726 b) 1822 c) 1548 d) 1922 e) 1679 Q10). Three years ago the average of a family of 5 members was 17 years. A baby having born in between, the average age of the family is same today. When was the baby born? a) 1 year ago b) 2 years ago c) 3 years ago d) just today e) none of the above Q11). The sum of the digits of a two-digit number is 9 less than the number. Which of the following digits is at unitís place of the number? a) 1 b) 2 c) 4 d) 8 e) None Q12). One year ago, Mrs kusuma was four time as old as her daughter Swathi. Six years hence, Mrs. Kusumaís age will exceed her daughters age by 18 years. The ration of present ages of Kusuma and Swathi is a) 25:7 b) 13:4 c) 25:9 d) 13:1 e) None of these Q13). The calendar for year 1994 will serve as calendar for a) 1998 b) 2002 c) 2003 d) 2004 e) 2005 Q14). The minute hand of clock overtakes the hour hand at intervals of 63 minutes of correct time. How much a day does the clock gain or loose? a) Gains 10 10/43 minutes b) Gains 56 8/77 minutes c) Loses 10 10/43 minutes d) Loses 56 8/77 minutes e) None of these Q15). The expression (11.98 * 11.98 + 11.98 * X + 0.02 * 0.02 ) will be a perfect square for X equal to: a) 0.01 b) 0.02 c) 0.03 d) 0.04 e) 0.05 Infosys 14
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