## Tuesday, 15 July 2014

### TNPSC Group I Exam-Previous Year Question Paper-Subject wise Analysed Questions-Mental Ability-Part 5

TNPSC Group I Exam-Previous Year Question Paper-Subject wise Analysed Questions-Mental Ability-Part 5

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

102.    What is the missing exterior angle of the quadrilateral given below?

75°
?

115°

90°

A)        100°                                        B)        90°
C)        80°                                           D)        89°

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

TNPSC Group I Exam-2007

111.    Which of the following diagrams correctly represent elephant. dogs
and animals?

A)                                                        B)

C)                                                        D)

112.    If a =bx, b=cy, c=az then xyz is equal to
A)        1                                B)        0
C)        - 1                              D)        None of these

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

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

116.    How many prime numbers are there in between 10 and 30?
A)        7                                  B)        4
C)        5                                  D)        6

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  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

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

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

121.    What is the sum of all prime numbers between 100 and 120?
A)        424                             B)        533
C)        648                             D)        650

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

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

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

125.    The average of the first five prime numbers is
A)        5.0                               B)        5.2
C)        5.6                               D)        6.0