Periyar University 2008 B.E Electronics

1. Male - Boy ---> a. A kind of
2. Square - Polygon ---> b. A part of
3. Roof - Building ---> c. Not a kind of
4. Mushroom - Vegetables ---> d. A superset of
Ans: 1- d, 2- a, 3- b, 4- c



118) Match the subsequent.
1. Brother - sister ---> a. Part of
2. Alsatian - dog ---> b. Sibling
3. Sentence - snippet ---> c. kind of
4. Car - steering ---> d. Not a kind of
Ans. 1-b, 2-c, 3-a, 4-d




119) Match the subsequent

1) Scooter --------- Automobile A. A PART OF

2).Oxygen ---------- Water B. A kind of

3).Shop staff ---------- Fitters C. NOT A kind OF

4). Bug ---------- Reptile D. A SUPERSET OF

Ans. 1-b, 2-a, 3-d, 4-c



120) What is the largest prime number stored in a—

-----> six bit trend (ANS~2^6=64, so no is 61)

------> seven bit trend (ANS~2^7=128, so no is 127)

-------> eight bit trend (ANS~2^8=256, so no is 251)

-------->9 bit trend (ANS~2^9=512, so no is 503)




121) What is the max three digit Prime no?

ANS=997





122) G(0)= -1, G(1)=1, G(N)=G(N-1) - G(N-2), G(5)= ?

Ans - 2




123) G (0) =1 G (1) = -1 IF G (N) =2* (G (N-1)) – 3(G (N-2)) Then what is the value of

G (4)?



124) If f (0) =1 and f (n) = f (n-1)*n, obtain the value of f (4).

Ans: 24




125) If g (0) =g (1) =1 and g (n) = g (n-1) + g (n –2) obtain g (6);




126) What is the power of 2? a. 2068 b.2048 c.2668

Ans: 2048
127) eight to the power of x is 32, what is the value of x?



128) Power of four Ans-4096



129) Which 1 will be the exact power of 3?
(i) 2768 (ii) 2678 (iii) 2187

130) Complete the series—

a )3,8,a,24,b,48,63 [ ANS~ a=15, b=35 ]

[HINT~DIFFERENCE IS 5, 7, 9, 11, 13, 15]

B )26,19,17,13,11, ,8,7 [ ANS=9]

[HINT~26,17,11,8 DECREASING LIKE 9,6,3 & 19,13,9,7 DECREASING

LIKE 6, 4, 2]

c)9,10,11,13,15, ,21,28 [ ANS=19 ]

[HINT~9, 11, 15, and 21 INCREASING LIKE 2, 4, six & 10,13,19,28 INCRESING

LIKE 3, 6, and 9]

D) 4, -5, 11, -14, 22, --- [ ANS= -27]








131) Number of faces, vertices and edges of a cube


ANS: 6,8,12


132) obtain the value of—

a) @@+25-++@16, where @ denotes”square” & + denotes “square root”. [ANS=621]


b) $%$6-%$%6, where $ means “tripling” & % means “change of sign”. [ANS= -72]

c) % # % six + # %# 6, % means “doubling” & # mean “reciprocal”.

132) choose odd 1 out


1) LINUX, WINDOWS 98, SOLARIS, SMTP (ANS: SMTP)
2)MVS
3).JAVA b) LISP c) Smaltalk d)Eiffle Ans: LISP ( All other languages are OOPS)
4)1.http 2.arp 3.snmp 4.sap Ans:sap
5)1.linux 2.windows NT 3.sql server 4.Unix Ans: Sql server
6)1.SAP 2.ARP 3.WAP 4.TCP IP
7)a. Oracle b. Linux c. Ingress d. DB2
a. SMTP b. WAP c. SAP d. ARP Ans:SAP
9)a. WAP b. HTTP c. BAAN d. ARP Ans:Baan
10)a. LINUX b. UNIX c. SOLARIS d. SQL SERVER Ans:SQL SERVER
11)a. SQL b. DB2 c. SYBASE d. HTTP Ans: HTTP
12)a. Oracle b. Linux c. Ingress d. DB2 ANS:LINUX





133) obtain the singularity matrix from a provided set of matrices? (Hint det (A) ====0)

134) Which of the subsequent are orthogonal pairs?

a. 3i+2j b. i+j c. 2i-3j d. -7i+j


Ans: a, c
135) (a) 2+3i (b) 1+i (c) 3-2i (d) 1-7i .Find which of the above is orthogonal.

Ans: a, c

136) Sum of slopes of two perpendicular st. lines is provided. obtain the pair of lines from the provided set of choices which satisfy the above condition?




137) If Rs.1260 is divided ranging from A, B and C in the ratio 2:3:4, what is C's share?

Ans: Rs. 560


138)A sum of money is divided among A, B and C such that for every rupee A gets, B gets 65paise and C gets 35paise. If C's share is Rs.560, the sum is …
a) 2400 b) 2800 c) 3200 d) 3800

139) Complete the series.

1) 3, 8, --, 24, --, 48, 63. Ans: 15, 35
2) Complete the series. 4, -5, 11, -14, 22, --- Ans - 27
3) SERIES: 2, 7, 24, 77, ------ (238) or (240)
4)77, 49, 36, 18,? Ans: eight (7*7=49) (4*9=36) (3*6=1 (1*8=
5) series: five six seven eight 10 11 14?? Ans.15 or 18
6)15 14 12 11?? nine eight Ans.10
7) what is the twelfth term of the series 2, 5, eight ... Ans. 35
8)58, 27, 12, x, 2, 1. obtain x.
9)7, 9,13,_,27,37. Ans-19
10)2, 5, __, 19, 37, 75 Ans: 9
11) Complete the sequence 9, 10,11,13,15, __, 21, 28.

140) UNITS
1) (Momentum*Velocity)/ (Acceleration * distance) obtain units. Ans: mass
2) (energy * time * time)/ (mass * dist) = distance
3) (momentum * velocity)/ (force * time) = velocity
4) obtain the physical volume in units from the equation:
(Force*Distance)/ (Velocity*Velocity) Ans. Ns2/m
5) obtain the physical volume represented by

MOMENTUM *VELOCITY] / [LENGTH * ACCELERATION]?




141) obtain the outcome of the subsequent _expression if, M denotes modulus operation, R denotes round-off, T denotes truncation:
M (373, 5) +R (3.4) +T (7.7) +R (5.8)

ANS: 19


142) Which of the subsequent highest Standard deviation
a) 7, - 7, 7,-7, 7,-7 b) 7, 7, 7,7,7,7 c) -7, - 7, -7,-7,-7,-7 d) -7, 7, -7, 7,-7, 7

Ans: d





143) 232 expressed in base-5 is Ans: 1412





144) A building with height D shadow up to G. A neighbor building with what height shadows C feet.
|----|----|----|----|----|----|----|
A B C D E F G H
Sol: B Ft. or CD/G




145) In a fraction, if one is added to both the numerator at the denominator, the fraction becomes 1/2. If numerator is subtracted from the denominator, the fraction becomes 3/4. obtain the fraction.

Ans. 3/7


146) The sum of the digits of a 2 digit number is 8. When 18 is added to the number, the digits are reversed. obtain the number?

Ans. 35





147) What number should be added to or subtracted from every term of the ratio 17 : 24 so that it becomes equal to one : 2.

Ans. 10 should be subtracted

Earning:   Approval pending.