Placement Papers - Infosys

Hello Friends
      This is so strange that infy people gave same paper on two dates 28      Oct 2004 and 28 Sep 2005 these two dates having more than 9 month gap      that means on 28 Sep 2005 some persons were writing same paper that      they have written on 28 Oct 2004
     
IT MAY BE POSSIBLE YOU MAY ALSO FACE THE SAME PAPER IN INFY EXAM. BEST OF LUCK the questions may not be in correct sequence i am giving you my answers also (that may not be correct)
     
     
      here is that paper
     
      1. if a person is sitting in a exam having 30 questions (objective      type)
      the examiner use the formula to calculate the score is S=30+4c-w here      c is number of correct answer and w is number of wrong answer, the examiner find      the score is more than 80, tell how may questions are correct ? if the score is      little less but still more than 80 then u wont be able to answer.
      answer :- 16
     
      2. if a cube of 27 meter *meter*meter painted red from out side, if      it cut
      into 27 equal part , then how many cubes were there
      (a) no face painted -------------------------ans 1
      (b) only one face painted--------------------ans 6
      (c) only two faces painted..........................ans 12
      (d) three faces painted..............................ans 8
     
      3. if a person having 1000 rs and he want to distribute this to his      five children
      in the manner that ecah son having 20 rs more than the younger one,      what will
      be the share of youngest child ans- 160
     
      4.raju having some coins want to distribute to his 5 son, 5 daughter      and driver
      in a manner that, he gave fist coin to driver and 1/5 of remaining to      first
son he again gave one to driver and 1/5 to 2nd son and so on.. at last he equally distributed all the coins to 5 daughters. how many coins raju initially have??? ans:-881(i      was not able to do this question)
     
      5. a,b,c, are three person in a city there can only three type of      person can
      be found sososean:- who speaks truth always, norosean who speaks false      always, midsean who speak truth / false alternately but which come first time      it is not known
      (a) A says (1) i am sorosean ( 2) b is norosean
      (b)b says (1) i am sorosean (2) c is midsean
      (c) C says (1) i am sorosean (2) a is midsean
     
      very esay one answer is A is midsean F/T, B is      Norosean, C is Sorosean
     
      6. a painter went in a exhibition to purchases some pictures where      T,U,V,W,X,Y,Z pictures were remaining , he want to buy only five in the condition on      that
      if T is there then X should not be there,
      if U is there than y should be there
      if if v is there then X should be there
     
      which is the combination the painter can have
      (a) T,U,V,W,Y
      (b)T,Z,U,W,X
      (c)T,X,U,V,W
      (d)T,U,Y,W,Z            
ans (d)

      some more question on this basis
     
      7. if ravi binded his book and the binder cut the pages of the book,      ravi
      decided to mark the pages by himself own, what he found that number      of three
      appears 61 times find of number of pages answer      - 300
     
      8. if a die is marked according like that 1-6, 2-5,3-4 comes apposite      to each
      other, what is the number of combination that a die can be marked????
      ans - 1 only ( as i think)
     
      9. if deepak & suresh were going to school by cycle with 12 mile /hour      speed
      deepak shouted "hey suresh see the same bus of blue color that we have      see
      before 20 minutes ago" suresh replied "ya this buses comes in each 14      minutes on stop" can u find the speed of bus answer 40 mile /hour
     
      10. last question forgotten..SORRY