L & T Campus Placement Paper Questions

Posted on :08-02-2016
Technical  Questions:  
Q1. What  is  the  order  of  strassens  matrix  multiplication?  

Q2. You  have  to  maintain  the  sorted  order  of  integers  and  insert  integers. Which  data   structure  would  you  use? (Tree,  List,  Queue,  Array)  

Q3. There  are  two  lists  of  integers  to  be  merged.  Which  method  would  you  NOT  use?  

Q4. In  an  online  database  system  when  is  data  written  to  disk?   
1.  On  pressing  enter  
2.  When  commit  or  update  is  encountered  
3.  End  of  data,  
4.  All  of  the  above  

Q5. Small  prolog  function  which  prints  2345true.  You  need  to  tell  output.

Q6. Convert  this  binary  into  octal.  010  100  101  

Q7. LISP  program  is  given. What  does  it  do?    

a.  GCD  
b.  LCM  
c.  Matrix  Multiplication  

Q8. What  is  paging?  

Q9. What  should  come  in  place  of  the  question  mark  (?)  in  the  following  questions?  

Q10. (31569  +  2488  +47936)  -  (227  x  96)  =?  

1)  61251  
2)  60201  
3)  62506  
4)  60205  
5)  None  of  these  

Q11. Cost  of  an  item  is  x.  Its  value  increases  by  p%  and  decreases  by  p%.  Now  the  new  value  is  1  rupee,  what  is  the  actual  value?  
ANS:  (1000)/(1000- *p)  

Q12. 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?  

Q13. 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?  

Q14. 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?  

Q15. If  the  num  4573  is  sub  by  the  least  num,  then  the  remainder  will  be  a  perfect   square. 

ANS: 84  

Q16. ((7-x/2)+(x-5/7))=x- 5/5  find  X?  

Q17. Two  problems  on  Arithmetic  Progression  

Q18. Find  the  sum  72,  70,  68,66,......................40?  

Q19. The  layer  in  the  OST  model  that  handles  terminal  emulation  is 

a)  session  
b)  application  
c)  presentation  
d)  transport 
ANS:  (b)  

Q20.  Long  int  size  is  

a)  4  bytes  
b)  2  bytes  
c)  compiler  dependent  
d)  8  bytes  

ANS:  (c)  

Q21. If  the  num  4573  is  sub  by  the  least  num,  then  the  remainder  will  be  a  perfect  square  

ANS:  84  

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