there are 3 door in a closed room.Behind two door there is
beast and behind one is a beauty. and you know that one of the
door which contain beast.Now find the maximum chance of you
win ie getting the beauty.

Answers were Sorted based on User's Feedback



there are 3 door in a closed room.Behind two door there is beast and behind one is a beauty. and y..

Answer / sohaib zaman

one of the door is the one from which he came inside and he knew that beast was not outside...so definitely thats the door with beauty.

Is This Answer Correct ?    0 Yes 0 No

there are 3 door in a closed room.Behind two door there is beast and behind one is a beauty. and y..

Answer / iman.k.sarkar

if i know one door with the beast then the probability of
getting the beauty increases from 33% to 50%. now since the
question asks about the maximum chance hence by swapping the
door(from the initial choice) the chance increases from 50%
to 66% and the probability of getting the beast is 33%.

Is This Answer Correct ?    0 Yes 3 No

Post New Answer

More General Aptitude Interview Questions

Which one of the following is correct a) $$Z(4).99 b) $9(4)zz.99 c) A(4)BB d) +9(5).99CR

0 Answers  


A boy has Rs 3 in total. If he wins, he gains 1 Rupee and if he looses, he has to loose 1 Rupee. The boy may lose only 5 times in the game and if he earns 5 Rs, he has to quit the game. Find the number of ways of the possibilities.

0 Answers   CGI,


What is the distance travelled by a ball that falls from a height of 8 mts and each time it bounces half the distance back?

0 Answers   CGI,


1.A SHOP KEEPER SELLS 10 TOFEES FOR A RUPEE, GAINING THEREBY 20%. HOW MANY DID HE BUY FOR A RUPEE? 2.IF 2A=3B=4C, THEN A:B:C IS/ 3.IF THE SELLING PRICE OF AN ARTICLE IS 4/3 TIMES OF ITS PRICE,THEN THE PROFIT PERCENTAGE IS/

9 Answers   Mannar Company, TNPSC Tamil Nadu Public Service Commission,


The rescue of a famous explorer happened in this indentation of a shoreline larger than a cove but smaller than a gulf

1 Answers  






B is 20 miles east of A. D is 30 miles east of C. E is 10 miles north of D. C is 20 miles north of B. How far E is from A?

0 Answers   Verifone,


a cylinder ingot 6cms in diameter and 6 cms in height is and spheres all of the samesize are made from the material obtained.what is the diameter of each sphere?

0 Answers   IIT Delhi,


There are 3 societies a,b,c. a lent tractors to b and c as many as they had. After some time b gave as many tractors to a and c as many as they have. After sometime c did the same thing. At the end of this transaction each one of them had 24. Find the tractors each originally had.

0 Answers   IBM, Infosys,


The solution of the differential equation cos x cos y dx + sin x sin y dy = 0 is

3 Answers   RRB,


i will come thrice ina minute twice ina hour once in day who am i

2 Answers   Infosys, Senthil, Wipro,


Find the next series: AA AB BC CE ?

0 Answers   CTS,


two trees are there. one grows at 3/5 of the other. in 4 years, total growth of trees is 8 ft. what growth will smaller tree will have in 2 years.

0 Answers   Accenture,


Categories