TNPSC Group I Exam-Previous Year Question Paper-Subject wise Analysed Questions-Mental Ability-Part 5
110. b
= a then the value of x is
3 2
1 1
101. If same patterns of operations are followed
in all the three diagrams given
below, the missing number is
5 7 18
 |
|
 |
6 93
15 9 ?
5 4
50 1
3 A 6 B 8 C
A) 5 B) 19
C) 27 D) 89
Answer : (D)
102. What is the missing exterior angle of the
quadrilateral given below?
75°
?
115°
90°
A) 100° B) 90°
C) 80° D) 89°
Answer : (C)
a x-1 b
x-3
110. b
= a then the value of x is 3 2
A) 2 B) 3
C) 1 D) 2
Answer
: (D)
TNPSC Group I Exam-2007
111. Which of the following diagrams correctly
represent elephant. dogs
and animals?
A) B)
C) D)
Answer : (A)
112. If a =bx, b=cy, c=az
then xyz is equal to
A) 1 B) 0
C) - 1 D) None of these
Answer : (A)
113. Which one of
the following is correctly matched?
A) Geographical
classification - Value based data
B) Chronological
classification - Time series data
C) Quantitative
classification - Area wise data
D) Qualitative
classification - Yearly data
Ans (B)
114. Match List I with List II correctly and
select your answer using the codes given below:
List I List II
a) Respondents 1) Person collecting information
b) Primary data 2)
Person giving information
c) Enumerator 3) Collection of data
d) Census 4) First hand
information
Codes :
a b c d
A) 1 2 3 4
B) 2 3 4 1
C) 1 3 2 4
D) 2 4 1 3
Answer : (D)
115. If P(A) = 0.6 and P(B) = 0.5, then which one
of the following is correct?
A) A and B
are mutually exclusive events
B) A and B
are not mutually exclusive events
C) A and B
are complementary events
D) None of
these
Answer : (B)
116. How many prime numbers are there in between
10 and 30?
A) 7 B) 4
C) 5 D) 6
Answer : (D)
117. The sun of the ages of A and B is now 110
years and their ages 20 years
ago were in the ratio of 4:3. The age of A is
A) 60 B) 55
C) 50 D) 35
Answer : (A)
1 1
118. If x = 4 y and Y = 5 z then x : y : z is
equal to
A) 1 :
4 : 5 B) 4
: 1 : 5
C) 1 :
5 : 4 D)
1
: 4 : 20
Answer : (D)
119. The students in three classes are in the
ratio 2 : 3 : 5. If 40 students are increased in each class, the ratio changes
to 4 : 5 : 7. Originally the total number of students was
A) 100 B) 180
C) 200 D) 400
Answer : (C)
120. Which one of the following is correctly
matched?
A) 123.5 -
Variable
B) GOD -
Constant
C) A + B -
Expression
D) A + 5.0 - Logical constant
Answer : (C)
121. What is the sum of all prime numbers between
100 and 120?
A) 424 B) 533
C) 648 D) 650
Answer : (B)
122. The smallest number which when diminished by
3 is divisible by 21,28,36
and 445 is
A) 420 B) 1257
C) 1260 D) 1263
Answer : (D)
123. The ratio of three number is 35 : 55: 77 and
their HCF is 24. Then the number are
A) 420, 660,
924 B) 280, 440, 616
C) 840, 1320,
1848 D) 105, 165,
231
Answer : (C)
124. There are 60 students in a class. In an
examination 75% of them had failed in English and 45% of them had failed in
Science. How many had failed both in English and Science?
A) 5 B) 6
C) 8 D) 12
Answer : (D)
125. The average of the first five prime numbers
is
A) 5.0 B) 5.2
C) 5.6 D) 6.0
Answer : (C)
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