Tuesday 15 July 2014

TNPSC Group I Exam-Previous Year Question Paper-Subject wise Analysed Questions-Mental Ability-Part 4

TNPSC Group I Exam-Previous Year Question Paper-Subject wise Analysed Questions-Mental Ability-Part 4

76.       Consider the following:
            Statements :  Some cares are bikes.
                                       No bike is train.

            Conclusions :  I       No car is train
                                        II      No bike is car
                                        III     Some car are trains
                                        IV    Some bikes are cars.

            of the conclusions :
A)        I and II are correct
B)        IV alone is correct
            C)        all the correct
D)        I, II and IV are correct










Answer : (B)










 1         1         1         1    
77.       1.2       2.3       3.4       4.5  + …. =

A)        2log 2-1                                  B)        -2log 2-1
            C)        2 log 2+1                                D)        -2 (log 2+1)










Answer : (C)









78.       Three men start waling at the same point, same time and in the same direction around a circular stadium. First man completes a round in 120 seconds, second man in 150 seconds and third man in 80 seconds. After what time will they meet again at the starting point?
A)        20 minutes                            B)        2 min. 20 sec.
            C)        2 min. 30 sec.                       D)        1 min. 40 sec.









Answer : (A)









79.       The area if a rectangle is 16sq. meters and is 4 times that of the breadth. What is the perimeter of the rectangle?
A)        20 m                           B)        18 m
            C)        16 m                           D)        14 m









Answer : (A)
 










                               3
80.       In the forest, X can cut 10 th if the trees in 50 days. Y can cut 40% of the
                                                        1
trees in 40 days and z can 2 of the trees in 80 days. who will complete the work first?
A)        X                                 B)        Y
            C)        Z                                  D)        X and Z









Answer : (A)









81.       The ratio of the length and breath of a plot is 4:5. If the length is 20 m less than the breath, what is the perimeter of the plot?
A)        180 m                         B)        360 m
            C)        80 m                           D)        100 m










Answer : (B)









2009

82.       Consider the following statements:
            Assertion (A)            :  Median of (7,2,12,5,9) is 7.
            Reason  (R)              :  The middle most value of a data is called median.

Now select your answer according to the coding scheme given below:
A)        (A) is true, but (R) is false
B)        (A) alone is true
            C)        (R) alone is true
            D)        Both (A) and (R) are true and (R) is the correct explanation of (A)










Answer : (A)










83.       Match List I with List II correctly and select your answer using the codes given below:
                                    List I                                       List II
            a)         Correlation coefficient        1)  Mean = Median = Mode
            b)         Coefficient of variation       2)  Least
            c)         For a symmetrical                 3)  Percentage variation
                        distribution
            d)         Mean deviation from           4)  Cannot exceed unity
Median

            Codes :
                        a          b          c          d
            A)        4          3          2          1
            B)        4          2          3          1
            C)        4          3          1          2
            D)        3          4          2          1










Answer : (C)










84.       Which one of the following is correctly matched?
            A)        Harmonic mean       -  A measure of skewness
            B)        Mean deviation        -  An average
            C)        Analysis                     -  An arrangement of data
            D)        Sales and Profit       -  Positive correlation










Answer : (D)










85.       Which one of the following is correctly matched?
            A)        Data                -  A collection of objects
            B)        Mode              -  A well defined measure
            C)        Range                        -  Difference between the largest and the
                                                    smallest items of a data
            D)        Q.D.                -  A best measure of dispersion










Answer : (C)










86.       The average of three numbers is 135. The largest number is 180 and the difference of the other two is 25. The smallest number is
A)        130                             B)        125
            C)        120                             D)        100










Answer : (D)










87.       By frequency distribution we mean the classification of data according to
A)        dissimilarities                                    B)        similarities
            C)        class intervals                       D)        magnitude










Answer : (C)










88.       Value of M.D. of {5,5,5,5,5} from Median is
A)        0                                  B)        2
            C)        4                                  D)        5









Answer : (A)









89.       If y = 3 + 2x, then the coefficient of correlation between x and y is
A)        - 1                                B)        0
            C)        0.5                               D)        1









Answer : (D)









90.       Which one of the following measures cannot be computed for {2,7,5,10,4} ?
A)        Mean                          B)        Median
            C)        Mode                          D)        Harmonic Mean









Answer : (C)









91.       Consider the following statements:
            Assertion (A)            :  Histogram is a graphical presentation of data.
            Reason  (B)              :  Statistical data can be represented in the form of graphs

Now select your answer according to the coding scheme given below:
A)        Both (A) and (R) are true
B)        Both (A) and (R) are false
            C)        (A) is true, but (R) is false
D)        (A) is false, but (R) is true









Answer : (A)









92.       What least number must be added to 1056 to get a number exactly
divisible by 237
A)        21                                B)        25
            C)        3                                  D)        2









Answer : (D)









93.       The ratio of two numbers is 13:15 and their LCM is 39780. The number are
A)        2652, 3060                            B)        884, 1020
            C)        884, 1040                              D)        670, 1340









Answer : (A)
 










94.       248 + 52 + 144 = ?
A)        14                                B)        16
            C)        18.8                            D)        16.6









Answer : (B)









95.       The boys  and girls in a college are in the ratio 3:2. If 20% of the boys and 25% of the girls are adults. the percentage of students who are not adults is
A)        67.5%                                     B)        82.5%
            C)        78%                                        D)        58%









Answer : (C)









96.       Five years ago the average age of A, B, C, D was 45 years. By including
            X the present average of all the five is 49 years. Then the present age of
            X is
A)        64 years                     B)        48 years
            C)        45 years                     D)        40 years









Answer : (C)









97.       The difference between simple interest and the compound interest on Rs.800 at 5% per annum for 1 year is
A)        Rs. 81                                     B)        Rs. 41
            C)        Rs. 56.50                               D)        None of these









Answer : (D)









98.       A boat moves downstream at the rate of 1km in 6 minutes and upstream
            at the rate of 1 km in 10 minutes. The speed of current is
A)        2 km/hr                                   B)        1 km/hr
            C)        1.5 km/hr                                D)        2.5 km /hr









Answer : (A)









99.       The ratio of number of boys and girls in a school of 720 students is 7:5. How many more girls should be admitted to make the ratio 1:1?
A)        90                                            B)        220
            C)        120                                         D)        240









Answer : (C)









                1                                                    2
100.    A can do 3 of a work in 5 days. B can do 5 of the work in 10 days. In how many days both A and B can do the work?
                           3                                                         3
A)        7 4  days                                B)        9 8 days

               4
            C)        8 5  days                                D)        10 days










Answer : (B)

No comments:

Post a Comment