LUCENT Job Placement Paper
LUCENT TECHNOLOGIES SOFTWARE
Following are the some sample questions:
Genaral:
1.6*12*15 is the volume of some material.How many cubes can be inserted
into that? Ans.40
2.Two pipes can fill a tank in 10 1nd 12 hours while third pipe will
make the tank empty in 20 hours.If all three pipes operate simultaneously,
in how many hours the tank will be filled ? Ans.7hours 30 minutes.
3.Diameter of a beaker is 7cm. Mambler(some instrument) dia is 1.4cm.
How many mamblers has to be put to increase the water level by 5.6cm.
4.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).
5.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.
6.Distance between two poles is 50 meters.A train goes by 48 kmph in one
minute.How many poles will be crossed by the train.
7.A pole seen from a certain distance at an angle of 15 degrees and
100 meters ahead by 30 degrees. What is th height of pole.
8.15 people--each has to pay Rs.20..
20 people--each has to pay Rs.18..
for 40 people--how much has to pay ?
9.if p=2q then q=r*r,
if p-odd then q is even,
whether we decide r is even or odd ?
choices:a)first condition is sufficient
b)second condition is sufficient
c)both are sufficient
d)both are not sufficient
10.What is the value of m given that
i) m is devided by 2
ii) m is devided by 5
Ans: none of these
11.If he sells 40 magoes, he will get the selling price of 4 mangoes
extra, What is his % increse in profit ? Ans: 25%
12.100 glasses are there. A servant has to supply glasses to a person
If he supplies the glasses without any damage he will get 3 paise
otherwise he will loose 3 paise.At the end of supplying 100 glasses
if he gets 270 paise, how many glasses were supplied safely.Ans: 95
*** Some questions on reasoning
Electronics.
1.Fastest logic ..Ans: ECL
2.202.141.65.62 type of IP address belong to which class. Ans:class B
3.Mod K ring counter requres how many number of flipflops.Ans:K
4.ftp is in application layer.
5.Problem related to Ternary operations. Ans:3
6.Problem related to macro # define square x x*x. Ans:11
7.Problem related to 5 pointers..refer Page.123 of C prog.,by Keringan
and Ritchie.
8.Ideal op-amp CMRR. Ans: infinity.
9.13-bit DAC MSB resistance 2kohms.
LSB resistance ?
Ans: 2k * 2 to the power of 12.
*** Few question related to C++
Paper Model
Section I: computer awareness(i.e general things about
computer) Q.15
-ve marks: 1/4
Section II: Simple C- language Q. 15 & -ve marks: -1/4
Section III: On pointers & structures
and C++,JAVA( only 1 on this) Q.10 each quetion ->2 marks
-ve marks: -1
Section IV: Analytical Q.20 each quetion -> 2 marks.
-ve marks: -1/4
1). Piggy backing is a technique for
a) Flow control b) sequence c) Acknowledgement d) retransmition
ans: c piggy backing
2). The layer in the OST model handles terminal emulation
a) session b) application c) presentation d) transport
ans: b application
3) ans: a odd numbers of errors
5) c 20
6) a 120
7) b synchronise the access
9) b the operating system
10) a 177333
11) d used as a network layer protocall in network and windows system
12) b has to be unique in the sub network
13)Q. there is an employer table with key feilds as employer no. data in
every
n'th row are needed for a simple following queries will get required
results.
a) select A employe no. from employe A , where exists from employe B
where A employe no. >= B employe having (count(*) mod n)=0
b) select employe no. from employe A, employe B where
A employe no. >= B employ no. grouply employe no. having (count(*) mod
n=0 )
c) both a& b
d)none of the above
14)Q. type duplicates of a row in a table customer with non uniform key
feild
customer no. you can see
a) delete from costomer where customer no. exists
( select distinct customer no. from customer having count )
b) delete customer a where customer no. in
(select customer b where custermer no. equal to b custemor no. ) and a rowid
>
b rowid
c) delete customer a where custermor no. in
( select customer no. from customer a, customer b )
d) none of the above
SECTION-II
Section II is not covered completly But it is very very easy. You can do it
very easely.
1) ans: recursion
2) long int size
a) 4 bytes b) 2 bytes c) compiler dependent d) 8 bytes
ans: compiler dependent
note: order of a,b,c,d are doubt but answer is correct.
3) x=2,y=6,z=6
x=y==z;
printf(%d",x) ?
4) if(x>2)?3:4
5)
6)
8) ----
---
---
--
14) c : class A,B and C can have member functions with same name.
SECTION-III
1) ans: b It does not work when rp is the last element in the linked list
2) ans: a always
3) ans: b 13
4) ans: b 16
7) ---
8) ans:d 4
9) ans: c 5
10)ans: c semicolon missing
SECTION-IV
following are not in order:
2. M > D > Y ans: (a)
6. 10 in 4 seconds,
? in 6 minutes = 10x6x60/4 = 900 ans: (a)
8. 100(100000000+100000000)/10000 = 2x1000000 (ans).
10. Q is not equal to zero and k = (Q x n - s)/2 find n?
(a) (2 x k + s)/Q (b) (2 x s x k)/Q (c) (2 x k - s)/Q
(d) (2 x k + s x Q)/Q (e) (k + s)/Q
(from GRE book page no:411)
data:
A causes B or C, but not both
F occurs only if B occurs
D occurs if B or C occurs
E occurs only if C occurs
J occurs only if E or F occurs
D causes G,H or both
H occurs if E occurs
G occurs if F occurs
NOTE: check following answers.
11. If A occurs which of the following must occurs
I. F & G
II. E and H
III. D
(a) I only (b) II only (c) III only (d) I,II, & III
(e) I & II (or) II & III but not both ans: (e)
12. If B occurs which must occur
(a) D (b) D and G (c) G and H (d) F and G (e) J ans: (a)
13. If J occurs which must have occured
(a) E (b) either B or C (c) both E & F (d) B (e) both B & C ans:
(b)
14. which may occurs as a result of cause not mentioned
(1) D (2) A (3) F
(a) 1 only (b) 2 only (c) 1 & 2 (d) 2 & 3 (e) 1,2,3 ans: (c)
15. E occurs which one cannot occurs
(a) A (b) F (c) D (d) C (e) J ans: (b)
11 to 15:- ----------- e , a , b , c , b ---------------
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