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INFOSYS Placement Papers


INFOSYS-Placement Paper-02 April Bangalore

1.A coffee seller has two types of coffee Brand A costing 5 bits per pound and Brand B costing 3 bits per pound. he mixes two brands to get a 40 pound mixture. he sold this at 6 bits per pound. the seller gets a profit of 33 1/2 percent. how much he has used Brand A in the mixture? (Previous one)

Ans: 30ponds.

Quantity of cheaper/quantity of dearer = (dearer -mean price)/(mean

price-cheaper) refer R.S.Agarwal for this question.

2.There are 11 people at a party with a glass. Eachone clinks glass with evey other person once.how many times did the glass clink?

Ans:nc2=11c2=55 times.

3. There are x trees in woods. Y is no. of birds. Gate keeper tellson each tree no of birds is equal to total no. of trees in woods.tellthe number of trees. Given total number of birds is between 2000 and2100.Ans:there are x noof trees.n no of birds=x*x, so check out d perfect square b/w2000 n 2100. ans is 45(45*45=2025)4.choclates problem.sister gives half of d chocolates to her mom n half a bar, then she gives half of d remaining to her dog n half bar, then she left with one choclate , how many no of chocolates r there?



dog=(x-1)/4+1/2 she left with one choclate, total=x=x/2+1/2+(x-1)/4+1/2+1 ,so x=7

5.a person got paramveera charka in 1948. he died when his age was one thirty ninth of his year of birth, when he was born?

Ans:I dint solve this but my frd told dat it was 1/39 th of (x)where x is year of birth. Check which yr is divisible by 39, before 1948.its 1911.

6.a clock ticks 6 times at 6 o'clock how many times does it tick when it is 12 o'clock? Ans:66seconds.at 6 the time gaps b/w ticks=5, at 12 gaps=11



7.train starts from amritsar to Bombay at 9am. It reaches destination after 3days at 9:30am. Every day a train starts. How many trains does it come across on d way ?

Asked to find out who's profession is what?

8. Carter,milne,savage,Flynn are 4 people architect,banker,druggist and grocer in not thatorder, Income of milne=3776+income of savage.Income of drugg=2*income of grocerIncome of architect=2*income of druggistIncome of banker=2*income of architectCarter is older than every one who earns more than Flynn but Flynndoes not earn double the amount of carter.find who's who?

9.little bit time consuming n confusing one. 4 persons , color of their house, their pet names like one has horse, other one has cat etc,type of cigar they smoke, type of drinks they take , like one takes coffe, other one tea, others beer,..?3qns?

10.this is also logical, for me this was very tough I didt do this.

(submitted by: harsha)


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