Infosys

infosys iit bombay 3/8/2002 > > > > 1. prices increases by 25% every odd year, 20% > > decreases by evry even > > > > year. then what will be the prices after 10 years > > ans:no change(3 marks) > > > > 2.two friends A & B wanted to meet half the way, > > whse > > houses are > > > > seperated by a distance of 36 miles and connected by > > straight road. > > > > they both travelled at a speed of 6 miles per hour. > > A > > has pegeon and > > > > she wanted to let the pegeon go at the same time she > > starts.. > > and peogeon travels at a speed of 18 mph.. > > reciprocates between A & B till they meet.. then waht is distance travelled by pegeon..?? ans:54 miles (3 marks) 3. there is thread of 20 meters in length, it is randomlly cut into two parts, and these two parts formed perimeters of two squares. then what is the probability that i>the area of largest square formed is >=9

(ans:8/10) > > ii> the sum of the areas of the square is 20.5 > > (4 marks) > > > > 4.an XXXX express moves between bombay and amruthsar > > in both ways.. > > train always start at 09:00hours and reaches > > destination at 09:30 hours > > > > after three days.. then how many trains with same > > name > > will a train > > > > bombay to amruthsar meets before reaching > > destination.. > > ans:7 trains (4marks) > > > > 5. A, B, c participated in a quiz in which D was the > > quiz master > > D asked overall 30 questions and got 45 correct

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answers.. B answered 55% as that of A, b&c combinedly answered 25% more than A, then what is correct answers told by them individually (ans:A =20, b=11, c=14)(6 marks) 6. arjun wanted to go to his friends house who shifted his house to a new area which is in a big lane consisting of house numbers 1 to 82.. he asked his friend three questions but answers were not known the questions were i> is it less than 41 ii>multiple of 4 iii>perfect square what is the number of house ans: 64 (8 marks) 7.jyoti reena seena are sisters they made following statements out of three one always lies and other two says nothing but truth there are around 12 statements and find the ages of each other (ans:seena=26, reena=23, jyoti=22)(8 marks) 8. 1. There are 5 houses in 5 different colours. In each house lives a person with a different nationality. 2. The 5 owners drink a certain type of beverage, smoke a certain brand of cigar, and keep a certain pet. 3. No owners have the same pet, smoke the same brand of cigar or drink the same beverage. The question is: "Who owns the fish?" Facts: The Brit lives in the red house The Swede keeps dogs as pets. The Dane drinks tea. The green house is on the left of the white house. The green house's owner drinks coffee. The person who smokes Pall Mall rears birds.

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The owner of the yellow house smokes Dunhill. The man living in the center house drinks milk. The Norwegian lives in the first house. The man who smokes Blends lives next to the one who keeps cats. The man who keeps the horse lives next to the man who smokes Dunhill. The owner who smokes Bluemasters drinks beer. The German smokes Prince. The Norwegian lives next to the blue house. The man who smokes Blends has a neighbor who drinks water. then i> who has zebra? ii> who smokes blend? iii> who lives in white house? (marks=8) 9.there are three tribes A,D,M A women can not marry D M men can not marry D women all other possible matches are acceptable caste of son = father's tribe caste of daughter is mother's tribe then 4 questions were asked(multiple choice) (8 marks) Essay:: 1. SMOKING MUST BE BANNED IN PUBLICE PLACES YES OR NO Y? OR 2. WOULD U LIKE LIVE IN BIG CITIES YES OR NO Y?? ALL THE BE