Monday, 23 December 2013

TNPSC Exam-GROUP- II - Subject wise analysed questions and Answers- Mental Aptitude-Part-1

TNPSC Exam-GROUP- II - Subject wise analysed questions and Answers- Mental Aptitude-Part-1


TNPSC GROUP – II

NOVEMBER – 2012

(MENTAL APTITUTE)


1.         Find the remainder when 230  is divided by 5

            A)        2                      B)        3          C)        1          D)        4



           
            Ans :(D)



2.         A sis digit number id formed by repeating a three digit number. Example         341341 etc. Any number of this form is always divisible by
           
            A)        1100               B)        1011               C)        1001               D)        1010




            Ans :(C)



3.         The Universal Serial Bus (USB) standard enables upto ____ devices to           connected to a personal Computer.
           
            A)        130                 B)        128                 C)        150                 D)        127




            Ans :(D)



4.         SVGA Supports
           
            A)        1 million colors                                 B)        16 million colors      
            C)        20 million colors                               D)        1 trillion colors




            Ans :(B)



5.         A railway engine which is moving towards the platform with a speed of 20     km/hr, blows a whistle of frequency 320 Hz. The apparent frequency of
            sound  heard by a stationary person on the platform will be
           
            A)        greater than 320 Hz                         B)        equal to 320 Hz       
            C)        Zero                                                    D)        less than 320 Hz




            Ans :(A)



6.         When we represent the data on percentage diagram, the percentage of           expenditure on clothing is
           
            A)        18.33%                                               B)        6.66%
            C)        12.5%                                                 D)        50%




            Ans :(C)



7.         The sum of  odd numbers from 1 to 31 is
           
            A)        496                                                     B)        256
            C)        240                                                     D)        288




            Ans :(B)



8.         What is the value of X in Fig. II?
           
            Figure
           
            A)        4          B)        16        C)        32        D)        2




            Ans :(B)



9.         For a set of 500 observation variance is found to be 125. If 25 is added to        each observation and 55 is subtracted than the new variance is
           
            A)        95        B)        150     C)        180     D)        125




            Ans :(D)



10.       Two students A and B score the same average marks in 10 tests and standard deviation of marks are 2.5 and 3 respectively for A and B. If the consistency of performance is the criterion for awarding prize, then

            A)        B should get the prize
            B)        A should get the prize
            C)        Both A and B should share the prize equally
            D)        Prize winner cannot be decided. Since average mark is not given




            Ans :(B)


TNPSC GROUP – II  2012
Mental Aptitude

11.       A Cricket has a certain average for 10 innings. In the eleventh innings, he scored 108 runs, thereby increasing his average by 6 runs. His new average is ?

            A)        48                                            B)        52
            C)        52                                            D)        55




Ans : (A)



12.       During a period of decline a Stock Market prices a stock sold at Rs. 50 per share on the first day, Rs.40 on the second day and Rs. 25 on the third day. If an investor bought 100, 120 and 180 shares on the respective three days, the average price paid per share will be

            A)        Rs. 35.75                               B)        Rs. 38.33
C)        Rs. 34                                     D)        Rs. 28




Ans : (A)



13.       The results of the examinations in two Papers A and B for 20 candidates were as follows:

            8 candidates passed in A
            7 candidates passed in B
            8 candidates failed in both

            Out of these candidates one is selected. What is the probability he passed in both the papers?

                        15                                                         3
            A)        20                                            B)        20
                         4                                                         17      
C)        20                                            D)        20




Ans : (B)



14.       In a class if 5 students are seated in a bench then 2 benches will be vacant. If 4 students are seated in a bench then 10 students will not have benches to sir. Then  the number of students and benches in the class are
           
A)        20 and 8                    B)        40 and 10
                                                                       
C)        90 and 20                  D)        20 and 90




Ans : (C)



15.       A man is facing southern direction. He turns to his left side through an angle of 225 degree. The direction he faces now is
           
            A)        South West                          
B)        South east
            C)        North west                            
D)        North east
           



Ans : (C)



16.       How many terms are there in 2,4,8, 16, …., 1024 ?

            A)        10                                B)            12
            C)        8                                            D)              6
           



Ans : (A)



17.       The greatest four digit number divisible by 15,25,40 and 90 is

            A)        9600                           B)        9000
            C)        9400                           D)        9200
           





Ans : (B)






18.       Find the next number in the sequence : 1,7,33,159,785, …..,

            A)        944                             B)        1570
            C)        3911                           D)        626
           



Ans : (C)


 
(July - 2011)

TNPSC GROUP - II
Mental Aptitude

19.       When 24 is subtracted from a number, it reduces to its fourth seventh.            What is the sum of the digits of that number?

            A)        1                                              B)        9
            C)        11                                            D)        10






            Ans : (C)






20.   The percentage of number of students getting at least 60% marks is    English over those getting at least 40% in aggregate is approximately.
    
        Marks out
                 of 50

  Subject

40
and
above
30
and
above
20
and
above
Tamil
9
40
74
English
5
30
65
Aggregate
6
35
70






           





            A)        43%                                        B)        41%
            C)        50%                                        D)        45%






            Ans : (A)





21.       Find out the wrong number: 5,11,23,47,90,191,383

            A)        11                                            B)        47
            C)        191                                         D)        90






            Ans : (D)





22.       A,B and Care employed. B,A and E are educated. A,C and D are very rich.      D,A and E are honest. Who is employed, very rich but not honest?

            A)        B                                             B)        E
            C)        A                                             D)        C




            Ans : (D)





23.       Diagrams and graphs are tools of

            A)        collection of India                B)        analysis
            C)        presentation                       D)        summarization




            Ans : (A)







24.       The population of a city is 5,13,200. If it increases at the rate of 12% per           annum. What will be its population after 3 years?

            A)        7,12,009                                 B)        7,10,029
            C)        7,21,009                                 D)        7,92,100






            Ans : (C)





25.       In the lower and upper limits of class are 10 and 40 respectively. the mid         point of the class is

            A)        25.0                                        B)        12.05
            C)        15.0                                        D)        30.0







            Ans : (A)







26.       For dealing with qualitative data, the best average is

            A)        Arithmetic mean                   B)        Median
            C)        Harmonic mean                   D)        Geometric mean





            Ans : (B)

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