Aptitude - Puzzle

INFOSYS PAPER - 08 JAN 2006 - HYDERABAD

This was d infy paper offcampus conducted on 8^th jan at HYDERABAD. there were few repeated qns, n I felt logical was bit tough ,so concentrate on logical qns, other qns u can do.

 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 tells
on each tree no of birds is equal to total no. of trees in woods.tell
the number of trees. Given total number of birds is between 2000 and
2100.

Ans:there are x no
of trees.n no of birds=x*x, so check out d perfect square b/w
2000 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?

Ans:7

Chocolates=x,mom=x/2+1/2,remaining=x-(x+1)/2=(x-1)/2;

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

5???.6

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 that
order, Income of milne=3776+income of savage.
Income of drugg=2*income of grocer
Income of architect=2*income of druggist
Income of banker=2*income of architect

Carter is older than every one who earns more than Flynn but Flynn
does 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.

That's all

 ALL D BEST FOR EVERYONE.

(Paper Submitted By : Rajitha)