TNPSC Group-II Exam-Origial Question Paper November 2007-Part 3
51. 5
mangoes and 4 oranges cost as much as 3 mangoes and 7 oranges. What is the
ratio of the cost of one mango to that of one orange?
A)
4 : 3
B)
1 : 3
C)
3 : 2
D)
5 : 2
Answer: C
52. (x+y) : (x-y) = 4 : 1,
Then (x2+y2) : (x2-y2)
=
A)
25 : 9
B)
16 : 1
C)
8 : 17
D)
17 : 8
Answer: D
53. (√7+√5/√7-√5) is equal to
A)
6+√35
B)
6-√35
C)
2
D)
1
Answer: A
54. Find the odd man out:
5, 7, 9, 17, 23, 37.
A)
5
B)
9
C)
37
D)
23
Answer: B
55. A
train travels for 3 hours, the first hour at 10 km/hour and the remaining 2
hours at 25 km/hour. What is the average speed?
A)
10 km/hour
B)
15 km/hour
C)
20 km/hour
D)
25 km/hour
Answer: C
56. The three
values which divide a given data into four equal parts are called
A)
Averages
B)
Quartiles
C)
Deciles
D)
Percentiles
Answer: B
57. Which
one of the following is more suitable to represent data on a family budget?
A)
Bar diagram
B)
Multiple bar
diagram
C)
Percentage bar
diagram
D)
Pie diagram
Answer: D
58. Find the mode of X when
|
X:
|
2
|
4
|
5
|
8
|
10
|
13
|
|
f:
|
5
|
7
|
10
|
15
|
3
|
2
|
A)
5
B)
8
C)
10
D)
13
Answer: B
59. What is the Acronym for DBMS?
A)
Data Base Medical
Science
B)
Data Base Management
System
C)
Data Base
Monitoring System
D)
None of these
Answer:
B
60. Write the expansion of LCD.
A)
Liquid Crystal
Display
B)
Light Controlled
Decoder
C)
Lack of Control of
Digits
D)
None of these
Answer: A
61. A
person is moving towards a plane mirror with a velocity of 1 m/sec. The image
will approach the moving person with a relative velocity of
A)
0.5 m/sec.
B)
1 m/sec.
C)
2 m/sec.
D)
3 m/sec.
Answer: C
62. Which
of the following would be the most suitable for making an electromagnet?
A)
Copper
B)
Tungsten
C)
Soft iron
D)
Steel
Answer: C
63. An electric bulb has a filament made of
A)
Copper
B)
Iron
C)
Lead
D)
Tungsten
Answer: D
64. The nucleus of an atom contains
A)
protons and
neutrons
B)
protons and
electrons
C)
neutrons and
electrons
D)
neutrons only
Answer: A
65. Which of the following falls down faster in
vacuum?
A)
Wooden ball
B)
Feather
C)
Steel ball
D)
All will fall down
at the same speed because of no air resistance in vacuum
Answer: D
66. The most acidic compound of the following is
A)
methane
B)
methyl alcohol
C)
ethyl alcohol
D)
phenol
Answer: D
67. Consider the following statement:
Assertion (A):
Bakelite
is a thermosetting plastic
Reason (R):
Thermosetting
plastics are those which change irreversibly into hard and rigid materials on
heating.
Of these statements:
A) Both (A) and (R) are correct and (R) is the correct
explanation of (A)
B) Both (A) and (R) are correct, but (R) is not the correct
explanation of (A)
C) (A) is true, but (R) is false
D) (A) is false, but (R) is true
Answer: A
68. Diamond and graphite are
A)
isomers
B)
isotopes
C)
allotropes
D)
polymers
Answer: C
69. Activated
charcoal is used to remove colouring matter from impure substances.
It
works by
A)
oxidation
B)
reduction
C)
adsorption
D)
bleaching
Answer: C
70. Bordeaux mixture is a mixture of
A)
copper sulphate
and lime
B)
bleaching powder
and DDT
C)
DDT and BHC
D)
DDT and Parathion
Answer: A
71. Who was the founder of the English newspaper
‘The Hindu’?
A)
G. Subramaniya
Iyer
B)
R. Venkata Rajulu
C)
Jagannath
Achariyar
D)
Rajagopalacharia
Answer: A
72. What is the range of AGNI-I missile?
A)
700 km
B)
1000 km
C)
1600 km
D)
2500 km
Answer: A
73. In
2004, at which town a fire raged through a primary school killing nearly 100
students?
A)
Trichy
B)
Kumbakonam
C)
Cuddalore
D)
Salem
Answer: B
74. In
which of the following year did Jeevanantham start the Journal ‘Janasakti’?
A)
1917
B)
1927
C)
1937
D)
1947
Answer: C
75. Which
one of the following is not a recognised political party that contested General
Assembly Election of May 2006 at Tamil Nadu?
A)
DMDK
B)
PMK
C)
MDMK
D)
DPI
Answer: A
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