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Friday 6 January 2012

Latest L & T Infotech Placement Paper

1. Cost of an item is x. It's value increases by p% and decreases by p% Now the new value is 1 rupee, what is the actual value ?

Ans.(1000)/(1000-p*p).

2. A right circular cylinder and a cone are there. Base radius of cone is equal to radius of cylinder. What is the ratio of height to slant side if their volume are the same?

3. Distance between two poles is 50 meters. A train goes by 48 at a speed of kmph. In one minute how many poles will be crossed by the train ?

4. A pole seen from a certain distance at an angle of 15 degrees and 100 meters ahead by 30 degrees. What is the height of pole ?

5. For 15 people--each has to pay Rs.20.For 20 people--each has to pay Rs.18. For 40 people--how much has each to pay ?

6. Find the output of

x=2,y=6,z=6
x=y=z;
printf("%d",x);
 
7. There are two lists of integers to be merged. Which method would you not use?

8. In an online database system when is data written to disk? (on pressing enter, when commit or update is encountered, at end of data, all of the above) (was clueless! )

9. Small prolog function which prints 2345true. You need to tell output.

Directions (Q. 10-13): Read each sentence to find out whether there is any error.The error, if any, will be in one part of the sentence. The number of that part is the answer. If there is no error, the answer is (5), i.e. "No error". (Ignore the errors of punctuation, if any.)

10.1) In a significant judgement, the Supreme Court has held
/2) that if a confessional statement made before the police
/3) has no legal validity, the same before a customs official
/4) could be used as evidence against the maker of the statement.
/5) No error

11. 1) Two hundred families ripped apart by
/2) the cold war division of the Korean peninsula were
/3) reunited in unbearably emotional scenes that nudged
/4) North and South Korea further towards reconciliation.
/5) No error

12. 1) Stung by the critics of its UN Force Commander
/2) and pressure from regional players,
/3) India has decided to pull out its contingent
/4) from the UN peacekeeping force in Sierra Leone.
/5) No error

13. 1) It is a matter of great concern that the governments
/2) of Tamil Nadu and Karnataka want
/3) to offer amnestly to Veerappan, a criminal who has killed more then 120 people,
/4) thousands of elephants and smuggled huge qualities of sandalwood.
/5) No error

14. what is an inode in Unix?

15. small program in Pascal to add a node to a linked list. (You have to tell what the program does)

16. C strcmp program (You have to tell what the program does)

17. set of dos commands testing basic familiarity with dir, ren *.t?t, cd etc.

18. what is the order of binary search?

19. what is the order of strassens matrix multiplication?

20. you have to maintain the sorted order of integers and insert integers . which data structure would you use? (tree, list, queue, array?)

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