# Placement Papers - Infosys

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### INFOSYS PAPER - 07 AUG 2005

Posted By : Uma Rating : +3, -1
Hi Friends
I'm Viju. I attended the Infosys test conducted on 7th Aug 2005.
First of all start with R. S. Aggarwal's Mathematics [ MBA ].Then go practice
Shakuntala Dev's puzzle books [Puzzles to puzzle you and More puzzles to
puzzle you].Then practice George Summers' Mind Teasers. The main point is
try to do as many previous question papers as possible. Ill suggest two sites.
There re more than 100 question papers.Test was very easy.
Questions                           1.    Lucia is a wonderful grandmother. Her age is between 50 and 70.Each of her sons have              as many sons as they have brothers. Their combined number gives Lucia's age. What is the age?                           2.    There are two towers A and B. Their heights are 200ft and 150ft respectively and the              foot of the towers are 250ft apart. Two birds on top of each tower fly down with the same              speed and meet at the same instant on the ground to pick a grain. What is the distance              between the foot of tower A and the grain?                           3.    Grass in lawn grows equally thick and in a uniform rate.             It takes 40 days for 40 cows and 60 days for 30 cows to eat the whole of the grass.             How many days does it take for 20 cows to do the same?                           4.    Four tourists A,B,C,D and four languages English, German, French and Italian.             They are not able to converse among themselves in one language.             Though A does not know English he can act as an interpreter between B and C.             No one spoke both French and German. A knows German and was able to converse with D              who doesn't know a word in German. Only one language was spoken by more than two persons.             Each spoke two languages. Find who spoke what.                           5.    There is a five digit number. It has two prime digits (1 is not a prime number).             Third digit is the highest. Second digit is the lowest. First digit is one less              than the third digit. The fifth digit is half of the fourth. The sum of 4th and 5th is              less than the first. Find the number.                           6.    Four persons A, B, C and D are playing cards. Each person has one card, laid down              on the table below him, which has two different colours on either side.             No card has the same color on both sides. The colours visible on the table are Red,              Green, Red and Blue respectively. They see the color on the reverse side and give the              following comment.                           A: Yellow or Green             B: Neither Blue nor Green             C: Blue or Yellow             D: Blue or Yellow                           Given that out of the 4 people 2 always lie find out the colours on the cards each person.                           7.    A software engineer returns from America. As he is fat he decided to have evening walk.....             he started at 3pm. he walks along the road at 4km/hr for some time then he climbs a upward              slope area at 3km/hr then downwards at the rate of 6km/hr. then back to the home through              the road at 4km/hr. what is the distance he covered in one way if he reaches back home at 9pm                           8.    A 1 k.m. long wire is held by n poles. If one pole is removed, the length of the gap              becomes 12/3m. What is the number of poles initially?                           9.    Find the digits X,Y,Z                         X  X  X  X                         Y  Y  Y  Y  +                         Z  Z  Z  Z                        --------------                       Y  X  X  X  Z                       ----------------                                        10.In a race Andrew beats Jim. Jack is not the last. Dennis loses to both Jack and Lucia.             Jim beats Jack. Who won the race?                            Answers