Planetasia Placement Paper : Whole Testpaper
PLANETASIA PLACEMENT PAPER AND PATTERN
The test consisted of 65 questions to be answered in 65 mins ¡4 sections:
1)aptitude(15 q¡ª15 mins)
2)c & data structures(15q¡ª15 mins)
adjust ur own time for each section as the entire paper was given in the begining itself. negative marking was present (1/4)..different sets are there ¡but i think they all have the same questions arranged in different order¡ some of the questions which i can remember are as follows:i have given some answers but check it anyway..
1)If average age of father & his children is 12years,& it reduces by 5 when the father is excluded, what is the age of the father?
(a)40 (b)42 (c)50 (d)48
2)if a boat goes with the stream at a speed of 6kmph and against the stream at 4kmph,what is the speed of the stream?
(a)1kmph (b)2kmph (c)3kmph (d)¡
3)complete the series:A,E,I,M,Q,U,__,__ ans:Y,C
4)if mary types 10pages in 5days, jolly types 5 pages in 10days,working together ,how many pages can they type in 30 days?
(a)¡(b)12 (c)12.5 (d)¡.
5)a gardner doing job in so many days¡some problem of this sort ..i dont remember the question:)
6)complete the series:1,3,7,13,21,31,?
7)if ¡°PROMPT¡± is coded as ¡°123456¡å and something as ¡°1234789¡å..how is ¡°MANGO¡± coded?
ans: replace each letter by the corresponding no in the given code to find what no stands for what letter¡then write it for¡±MANGO¡± (easy)
8)if something(i dont remember the word)..is coded as ¡°¡¡± how is ¡°PLAYER¡± coded?
ans: each letter is coded by writing the immediately next letter ¡so answer is (a)¡±QMBZFS¡±
9)if A speaks truth 80% of the times, B speaks truth 60 % of the times, find the probability that they both tell the truth simultaneously?
(a)0.8 (b)0.48 (c)¡ (d)0.14
10) a rectangular hall has length 12m & breadth 10m.if a verandah of 2m width surrounds(????this was how the question given!!) the hall, what is the area of the rectangle formed ?
(a)102sqm (b)¡. (c) ¡(d)104sqm
11)A & B start a business with A investing Rs.3000 for 4 months & B invests Rs.2000 for 6 months what amount will A get ,if the profit gained is Rs.500?
12) if Ravi¡¯s salary was reduced by 25%.by what % should his salary be increased to get the same salary as before?
(a)25% (b)20% (c)33 1/3 % (d) 45%
13)a person moves 12 km south, then turns right & travels for 5km ..then he turns right for 15km & travels to the east for 5 km..how far is he from the starting point?
(a)1km (b) 2km (c)3km (d)4km
14)if half life of a radioactive material =t seconds, after (t/2)seconds approximately what % of the material would have decayed?
(a)29% (b) 48% (c)¡ (d)¡
ans:(a) ¡not sure¡
15)in how much time, a train 100m long travelling at (some no was given) can overtake a train 200m long travelling at (some other speed)?
(a)75 seconds (b) 1min (c) 2min (d)¡.
16)Question was on fastest retrieval
ans)hash table almost 3 questions whose ans is hash table
17)how are calloc and malloc different?
(a)calloc initializes memory allocated,malloc doesnt
(b)malloc initializes memory allocated,calloc doesnt
(c)both of the above
18) what is the difference between pointer and reference variable
(a)pointer carries the address to a memory¡reference carries the actual address
(b) reference carries the address to memory..pointer carries the actual address
(c)both are same
(d)none of these
19)which is machine dependent component of java
20)what is bitset?
21)one progarm was on trim operator of java
if (trim.¡± string ¡°==¡±string¡±)
ans) equal equal
ans)105(it will not add)
23)ques on C
unsigned int a=6;
(a+b>6)? puts(¡± >6¡å):puts(¡±6¡å)
24)What is shell script
25)Where resides the configuration file
26)what do u call when o/p of a program is given to another file
(a)¡.(b)piping (c)linking (d)¡
ans (b) piping
27)some question like starting of UNIX¡for which the answers were
(a)init 0 (b)init (c)initta (d)root
ans :init 0
28)an abstract class is one in which
(a)constructors can be overloaded
(b)any one object ¡.is not used¡.
29)how deadlock occurs
ans)resources not released by other processes
30)question on minimum complexity
(a)n (b)nlog n (c) logn (d)¡
ans) log n
31)question related to nodes¡.
2 functions were given ¡one called ¡°parent¡± which takes a parameter(node: parent) returns child.parent¡
another function called ¡°some function¡± taking 2 parameters (node: node1, node:node20)
what is the name for somefunction?
(a)common parent (b)common ancestor (c) common sibling (d)¡
ans) common ancestor
32)What is microsoft.net
ans) frame for enterprise application
33)from where memory is allocated to programs
(a)heap (b) stack (c)both (d) none of these
ans)heap & stack
34)Where environment variables resides
35)which of the following are present in ANSI C
(a) nested structure definition
(b)nested function definition
(d)none of the above
ans: structure definition
36)in a program,if an array is passed to a function as an argument and collected in a pointer variable¡its asked the size of variable using sizeof operator¡.
(a)size of the pointer
(c)depends on the dimension of the array
37)port no. of telnet in Windows?
(a)20 (b)21 (c) 23 (d) 24
ans: 23 (check)
38)what is the use of the keyword ¡± static¡±
(a)a variable defined as static in a module (outside any function) is accessible to all the functions in the module but cannot be accessed by other modules.Hence it is like ¡°local global variable¡±
(b) a function declared as static is accesible inside the module¡.etc ..etc..
(d)none of the above
39) what is difference between new and malloc
(a)new allocate memory to objects while malloc to a variable.
(b)malloc allocate memory to objects while new to a variable.
ans:new allocate memory to objects while malloc to a variable.
40)what is daemon process?
41) when context switching will always occurs¡..
(a)a high priority process is scheduled when a low priority process is executing
(b)multiple high priority processes are scheduled when a low priority process is executing
(c)RAM overlap¡.stack overflows¡..
42)which one to use for name-value pair?
(a)hash table (b)linked list (c)¡ (d)¡.
43)for a binary tree ,which of the following are true?
(b) leaves are equally distributed¡.
44)some question about halting UNIX for which the answers given were:
(a)runlevel 0 (b) runlevel 1 (c)runlevel 4 (d)runlevel 6
45)how to change the owner?
(a)ch (b)chmod (c)chowner (d)chown
46)2 functions java)¡one returning a string, the other an integer ,both named setVal()..it means:
(a)setVal() is overloaded
47)by default the access specifier of a class is
48)which of the following operations a priority queue need not contain?
(a)insert (b)delete (c)search min (d) search first
49)#ifdef is used for
(b)run time execution of code only if some condition is satisfied..