Placement Papers - Infosys

INFOSYS PAPER - 09 OCT 2005 - CHENNAI

Hai Friends
           
Question paper                      
           
1.A publishing company advertisd the job           opening.The response was good. One hundred people applied for the           post. The company wanted someone expert in both physics and            chemistry. Out of which 10 did not had any specalization.75 of them           had got physics training and 83 got training in chemistry.how many           applicants had got training in both  physics and chemistry?            (3 marks)                      
           
2.sal & saul had a race for 100 yards.sal won de race and saul is 10           yards behind him(i.e, in de mean time saul covered 90 yards).if sal is           10 yards behind the start line
           and runs with the same speed as b4 who will win?
           (4 marks)                      
           
3.A + B + C +D = D + E + F + G = G + H + I =17. If           A = 4. What are the values of D and G. Each letter taken only one of           the digit from 1 to 9.
           (6 marks)                      
           
4. A mother has 15 children with a interval of 1.5           years between each child.now if the oldest child (given some name)is           three times the youngest one (given some name)
           what is the age of oldest one? (3 marks)                      
           
5.. Last Year my cousin came to my place and we           played a game where the loosing one has to give one choclate to the           person who won the game .At the end of the vacation,i.e the day my           cousin was leaving she counted number of games that i won an she           won.At last she gave me a total of 8 choclates even though she won           about 12 games.Find the mumber of games that we played.
           (4 marks)                      
           
6. a jeweller makes a window display. he has 7 gems           of which he needs to display 6. three on the left side of the pane on           three on the right. with following conditions.let the gems be Armanet,           diamond, emerald , sapphire , garnet, opal and ruby.
           1.armanet should be always displayed on left side
           2.diamond always on the right
           3.ruby should not be kept with diamond or garnet.
           4.emerald and sapphire should always be on the same side.             (8 marks)                                            
           
1]what are the possible combinations on the           possible for left pane.
           a] armanet,garnet , opal
           b] armanet, ruby, garnet
           c] diamond, emerald , sapphire
           d] armanet , emerald, garnet                                            
           
2]what are the possible combinations on the           possible for right pane.
           a]diamond, garnet , opal
           b]diamond, ruby, opal
           c]armanet,emerald, sapphire
           d]diamond,garnet,ruby                      
           
3]if garnet, diamond, opal are on the right side what is possible
           option for right side.
           a]ruby,armanet,sapphire
           b]armanet,emerald,ruby
           c]armanet,emerald,sapphire
           d]ruby,emerald,sapphire                      
           
4]if armanet, ruby, opal are on the left side what           is possible option for left side.
           a]diamond, garnet, emerald
           b]diamond, sapphire, garnet
           c]garnet, sapphire, emerald
           d]diamond, emerald, sapphire                      
           
7.a milkman says to a boy "in one can there is           spring water.other can contains a cream milk.i will mix some water           with  de milk to provid wholesome diet.if i take some quantity           from can A  and pour it into can B such that its content           doubles.again  take some quantity from can B  and pour it           into can A such that its content doubles.again take some quantity from           can A  and pour it into can B such that its content           doubles.Finally quantity of milk in both the cans are same but the           amount of water is one gallon more than the milk.(they didnt specify           what the can A & can B contains)
             (1) what  is the initial amount of milk and water?
             (2) what  is the final amount of milk and water?
           (8 marks)                      
           
8.if the charges are as follows
                   plumber +painter=900  
                   painter +electrician=
                   electrician+carpenter=
           like this 6 values and the persons are paint           hanger,painter,plumber,carpenter,electrician,mason.
           find their individual charges (very easy to solve)
               (6 marks)                      
           
9.one confusing logical reasoning for 6 marks                      
           10. a dice is there. it should contain 1,6 and 2,5           and 3,4 pairs as opposite to each other(i,e, if 1 is at the top 6           should be at the bottom) how many possible ways are there?