aptitude and mental ability & current affairs

21 Pages·2017·0.71 MB·English

APTITUDE AND MENTAL ABILITY & CURRENT AFFAIRS
1. Performance of students in an examination

Marks
40 and above 30 and above 20 and above
out of

50
Subject
Tamil 9 40 74
English 5 30 65
Aggregate 6 35 70
The percentage of number of students getting at least 60% marks in English
over those getting at least 40% in aggregate is approximately.
a. 43% b. 41% c. 50% d. 45%
Njh;tpy; khzth;fspd; nray;ghL:
50f;F ngw;w 4 0 kw;Wk; 30 kw;Wk ; mjw;F 20 kw;Wk ; mjw;F
kjpg;ngz; mjw;F Nky; Nky; Nky;
ghlk;
jkpo ; 9 40 74
Mqf; pyk ; 5 30 65
ruhrhp 6 35 70
Mqf; pyj;jpy; Fiwe;jgl;rk; 60% kjpg;ngz; ngw;w khzth;fis ruhrhpapy;
Fiwe;jgl;rk; 40% kjpg;ngz; ngw;w khzth;fNshL xg;gpLifapy; fpilf;Fk;
khzth;fspd; rjtpfpjk; vd;d?
a. 43% b. 41% c. 50% d. 45%

2. In a class of 60 students, each students shakes hands with every other
students. The total number of handshakes is
a. 3540 b. 3600 c. 1770 d. 3540
60 khzth;fs; cs;s tFg;gpy;> xt;nthU khztUk; kw;w vy;yh
khzth;fSld; if FYf;fpwhh;fs;. nkhj;j ifFYf;fy;fspd; vz;zpf;if.
a. 3540 b. 3600 c. 1770 d. 3540

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3. The population of a village is 7000. It increases by 8% during the first year.
During the second year, it decreases by 25% and increases by 20% during
the third year. What is the population after 3 years?
a. 6720 b. 6804 c. 7102 d. 7300
xU fpuhkj;jpd; kf;fs;njhif 7000. Kjyhk; Mz;L 8 rjtjP k; mjpfhpf;fpwJ>
,uz;lhk; Mz;L 25 rjtPjk; FiwfpwJ kw;Wk; %d;whk; Mz;L 20 rjtPjk;
mjpfhpf;fpwJ. me;j fpuhkj;jpd; kf;fs; njhif %d;W Mz;LfSf;F gpwF
vtt; sT?
a. 6720 b. 6804 c. 7102 d. 7300

4. A car travels a distance of 715 kms at a uniform speed. If the speed of the car
is 10 kmph more, it takes 2 hours less to cover the same distance. The
original speed was
a. 45 kmph b. 55 kmph c. 60 kmph d. 65 kmph
xU fhh; 715 fp.kP. J}uj;ij xNu rPuhd Ntfj;jpy; flf;fpwJ. mjd; Ntfj;jpy;
10 kmph $Lk;N ghJ mNj J}uj;ij 2 kzpNeuKk ; Kd;djhf
flf;fpwnjdpy; mjd; cz;ikahd Ntfk;
a. 45 kmph b. 55 kmph c. 60 kmph d. 65 kmph

5. The greatest four digit number divisible by 15, 25, 40 and 90 is
a. 9600 b. 9000 c. 9400 d. 9200
15> 25> 40> 90 vd;w vz;fshy; tFgLk;> kpfg;nghpa ehd;F ,yf;f vz; vJ?
a. 9600 b. 9000 c. 9400 d. 9200

6. In computer processor each machine cycle consists of four operations. They
are
a. (i) delete (ii) add (iii) sub (iv) mul
b. (i) fetch, (ii) decode (iii) execute, (iv) store
c. (i) store (ii) mul, (iii) flip-flop
d. (i) fetch, (ii) mul, (iii) add, (iv) sub
xU fzpdp nrayfj;jpd; vtt; hW nghwp Row;rpAk;> ehd; nray;ghLfisf;
nfhz;Ls;sJ. mitahtd:
a. (i) delete (ii) add (iii) sub (iv) mul
b. (i) fetch, (ii) decode (iii) execute, (iv) store
c. (i) store (ii) mul, (iii) flip-flop
d. (i) fetch, (ii) mul, (iii) add, (iv) sub

7. 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. In
investor bought 100, 120 and 180 shares on the respective three days,
average price paird per share will be
a. Rs.35.75 b. Rs.38.33 c. Rs.34 d. Rs.28
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gq;Fr;re;ij rhptpd; NghJ xU gq;fpd; tpiy &.50f;F Kjy; tpw;gidahdJ>
,uz;lhk; ehs; &.40> %d;whk; ehs; &.25 MFk;. KjylP ;lhsh; xUth; 100> 120>
180 gq;Ffis KiwNa %d;W ehl;fspy; thq;fpdhh.; Vdpy; gq;fpd; ruhrhp
tpiyiaf; fhz;f.
a. Rs.35.75 b. Rs.38.33 c. Rs.34 d. Rs.28

8. A motor cycle costs Rs. 40,000 when it is brand new. At the end of each year
it is worth 4/5 of what it was at the beginning of the year. What is the
motor cycle worth when it is 3 years old?
a. Rs.16,000 b. 25,600 c. 20,480 d. 24,820
Gjpjhf thq;fg;gl;l Nkhl;lhh; irf;fps; xd;wpd; tpiy Rs. 40,000 xt;nthU
Mz;Lk; mjd; tpiy thq;fpa tpiyia tpl 4/5 Mf FiwfpwJ. vdpy; 3
Mz;Lfs; fopj;J Nkhl;lhh; irf;fpsd; tpiy vd;d?
a. Rs.16,000 b. 25,600 c. 20,480 d. 24,820

9. 3 men can finish a work in 6 hours. If there are 8 men, for how much hours
they should work to finish 4 times previous work?
a. 4 ½ b. 9 c. 6 ¾ d. 2 ¼
xU Ntiyia 3 Ngh; 6 kzp Neuj;jpy; nra;J Kbg;gh;. mNj Nghd;w 4
klqF; Ntiyia 8 Ngh; vj;jid kzpNeuj;jpy; Kbg;gh;?
a. 4 ½ b. 9 c. 6 ¾ d. 2 ¼

1 1
10. In a certain office, of the workers are women, of the women are married
3 2
1 3
and of the married women have children. If of the men are married and
3 4
2
of the married men have children, what part of workers are without
3
children?
5 4 11 17
a. b. c. d.
18 9 18 36
xU mYtyfj;jpy; gzpahsh;fspy; 3y; 1 gFjp ngz;fs;. mth;fSs;
ghjpg;Ngh; jpUkzkhdth;fs;. ,th;fSs; 3y; 1 gFjpapdUf;F Foe;ijfs;
cz;L. Mz;fSs; 4y; 3 gFjpapdh; kzkhdth;fisAk; mth;fSs; 3y; 2
gFjpapdUf;F Foe;ijfs; ,Ue;jhYk; fPo;f;fz;l msTfspy; ve;j
mstpduhd gzpahsh;fs; kfg;NgW ,y;yhjth;fshth;?
5 4 11 17
a. b. c. d.
18 9 18 36

11. Three friends J, K and L jog around a circular stadium and complete one
round in 12, 18 and 20 seconds respectively. In how many minutes will all
the three meet again at the starting point?
a. 5 b. 8 c. 12 d. 3
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J, K kw;Wk; L vd;w ez;gh;fs; xU tl;ltbt ];Nlbaj;ij xU Kiw Rw;wp
tUtjw;F KiwNa 12> 18 kw;Wk; 20 nehbfs; vLj;Jf;nfhs;fpd;wdh; vdpy;
kzP ;Lk ; mk;%tUk; njhlq;fpa Gs;spapy; re;jpg;gjw;F vtt; sT epkplq;fs;
MFk;?
a. 5 b. 8 c. 12 d. 3

2 3 4
12. If TIGER = , BUFFALO = , CROCODILE = then ELEPHANT
3 4 5
5 5 3 3
a. b. c. d.
6 8 5 8

13. A cube has six sides of different colours. The red side is opposite to black.
The blue side is adjacent to white. The green side is adjacent to blue. The red
side is face down. Which one of the following would be the opposite to
green?
a. Red b. Black c. White d. Blue
xU fdrJuj;jpd; gf;fq;fspy; nttN; tW epwq;fs; g+rg;gl;Ls;sd. rptg;Gg;
gf;fj;jpw;F vjpuhf fWg;G epwKk;> ePy epwj;jpw;F gf;fkhf nts;is epwKk;>
gr;ir epwj;jpw;F gf;fkhf ePy epwKk;> rptg;G epwk; fPo;g ; gFjpapYk;
mike;Js;sJ> vdpy; gr;ir epwj;jpw;F vjph ; gf;fkhf mike;Js;s epwk;
vJ?
a. rptg;G b. fUg;G c. nts;is d. eyP k;

14. In a tournament 14 teams play league matches. If each team plays against
every other team once only then how many matches are played?
a. 105 b. 91 c. 85 d. 78
xU Nghl;bapy; 14 mzpapdh; yPf; Ml;lqf; spy; tpisahLfpd;wdh;. xt;nthU
mzpAk; kw;;w mzpfSld; xNu xUKiw kl;Lk; NkhJfpd;wdh; vdpy;
nkhj;jk; vtt; sT yPf; Ml;lqf; s; tpisahlg;gLfpd;wd?
a. 105 b. 91 c. 85 d. 78

15. 40 men can build 60 rooms in 8 days. If 8 men leave the job how man rooms
can be built in 12 days?
a. 63 b. 72 c. 74 d. 76
40 Ml;fs; 60 miwfis fl;b Kbf;f 8 ehl;fs; MfpwJ. mjpypUe;J 8
Ml;fs; tpyfpdhy;, 12 ehl;fspy; vtt; sT miwfis fl;b Kbg;gh;?
a. 63 b. 72 c. 74 d. 76

Directions (Q.No.16): The bar graph provided below gives the data of the
production of paper (in lakh tones) by three different companies X, Y and Z
over the years. Study the graph and answer questions that follow.
fPNo nfhLf;fg;gl;Ls;s gl;il tpsf;fg;glj;jpy; fhfpj cw;gj;jp nra;Ak;
epWtdq;fs; X, Y, Z (,yl;r ld;fspy;) nfhLf;fg;gl;Ls;sJ. glj;ij ed;F gbj;J
fPo;f;fz;l tpdhtpw;F tpilasp.
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16. What is the percentage increase in the production of Company Y from 1996
to 1999?
a. 30% b. 45% c. 50% d. 60%
epWtdk; Y d; cw;gj;jp 1996 ypUe;J 1999 tiu vtt; sT rjtPj cah;T?
a. 30% b. 45% c. 50% d. 60%

17. The number 311311311311311311311 is :
a. divisible by 3 but not by 11 b. divisible by 11 but not by 3
c. divisible by both 3 and 11 d. neither divisible by 3 nor by 11
311311311311311311311 vd;w vz;
a. 3My ; tFgLk; Mdhy; 11My; tFglhJ
b. 11My; tFgLk; Mdhy; 3My ; tFglhJ
c. 3 kw;Wk; 11My; tFgLk;
d. 3 kw;Wk; 11My; tFglhJ

Directions (Questions 18): Study the following graph carefully and answer the
questions given below:
gpd;tUk; glj;jpid gbj;J tpdhtpw;F tpilasp

Distribution of candidates who were enrolled for MBA entrance exam and the
candidates (out of those enrolled) who passed the exam in different institutes
vk;.gp.V EioTj;Njh;tpw;fhf nttN; tW fy;tp epWtdq;fspy; gjpT nra;j
khzth;fspd; vz;zpf;ifapy; Njh;r;rp ngw;w khzth;fspd; vz;zpf;if
tl;ltpsf;fg;glj;jpy; nfhLf;fg;gl;Ls;sJ.
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Candidates Enrolled = 8550 Candidates who passed the Exam = 5700
(gjpT nra;j khzth;fs; = 8550) (Njh;r;rp ngw;w khzth;fspd; vz;zpf;if= 5700)

18. What percentage of candidates passed the Exam from institute T out of the
total number of candidates enrolled from the same institute?
a. 50% b. 62.5% c. 75% d. 80%
T vd;w fy;tp epWtdj;jpy; Njh;r;rp ngw;w khzthf; spd; vz;zpf;ifahdJ>
mNj fy;tp epWtdj;jpy; gjpT nra;j khzth;fspd; vz;zpf;ifapy;
vtt; sT rjtPjk;?
a. 50% b. 62.5% c. 75% d. 80%

19. A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start
the work but are forced to leave after 3 days. The remaining work was done
by A in:
1
a. 5 days b. 6 days c. 10 days d. 10 days
2
xU Ntiyia A 24 ehl;fspYk;> B 9 ehl;fspYk;> C 12 ehl;fspYk;
Kbf;fpd;wdh;. B kw;Wk ; C mt;Ntiyia njhlq;fp 3 ehl;fSf;F mth;fs;
tpyfpa gpd;G A kl;Lk; jdpahf kjP Ks;s Ntiyia Kbf;f vj;jid
ehl;fs; MFk;?
1
a. 5 ehl;fs; b. 6 ehl;fs; c. 10 ehl;fs; d. 10 ehl;fs;
2

20. Which of the following gives a clear picture (shape) of the characteristics of
a distribution?
a. Skewness b. Central tendency
c. Dispersion d. Kurtosis
fPo;f;fz;ltw;wpy; ve;j msitahdJ gutypd; njspthd tistiu tbtg;
gz;Gfis mspf;fpwJ?
a. Nfhl;lk; b. ikaNehf;F msit
c. rpjwy; msit d. jl;ilasT

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21. Mention the name of the graph?

a. Histogram b. Frequency curve
c. Frequency Polygon d. Lorenz Curve
Nkw;fhZk; tiuglj;jpd; ngahpid $W
a. guty; nrt;tf glk; b. epfo;ntz; tisNfhL
c. epfo;ntz; gyNfhzk; d. yhud;]; tisNfhL

22. Find out the least number which when divided by 2, 4, 5, 8, 9 and 12 leaves
the same remainder 1 in each case.
a. 361 b. 481 c. 360 d. 541
Xh; vz;iz 2, 4, 5, 8, 9 kw;Wk; 12y; tFf;Fk; NghJ xtn; thd;wpYk; kjP p 1
fpilf;f> kpff;Fiwe;j vz;izf; fz;Lgpb:
a. 361 b. 481 c. 360 d. 541

23. Value of x lies between 0 and 1. Write the following values in ascending
order.
1. 1/x 2. 1/x2 3. 1/x3 4. x 5. x2
a. 3, 2, 1, 4, 5 b. 5, 4, 1, 2, 3
c. 3, 1, 4, 5, 2 d. 4, 5, 3, 2, 1
x vd;gJ 0-f;Fk; 1-f;Fk; ,ilapy; cs;sJ. fPo;f;fz;ltw;iw VWthpirapy;
vOJf
1. 1/x 2. 1/x2 3. 1/x3 4. x 5. x2
a. 3, 2, 1, 4, 5 b. 5, 4, 1, 2, 3
c. 3, 1, 4, 5, 2 d. 4, 5, 3, 2, 1

24. Village X has a population of 68000, which is decreasing at the rate of 1200
per year. Village Y has a population of 42000, which is increasing at the rate
of 800 per year. In how many years will the population of the two villages
be equal?
a. 12 years b. 13 years
c. 14 years d. 11 years
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X vd;w fpuhkj;jpd; kf;fs;njhif 68>000. ,q;F kf;fs;njhifapy; Mz;Lf;F
1200 FiwfpwJ. Y vd;w fpuhkj;jpd; kf;fs;njhif 42>000 ,e;j
kf;fs;njhifapy; Mz;Lf;F 800 mjpfhpf;fpd;wJ. vj;jid Mz;LfSf;F
gpwF ,t;tpuz;L kf;fs;njhifAk; rkkhf ,Uf;Fk;?
a. 12 Mz;Lfs; b. 13 Mz;Lfs;
c. 14 Mz;Lfs; d. 11 Mz;Lfs;

25. 243 has been divided into three parts such that half of the first part, one-
third of the second part and one-fourth of the third part are equal. The
largest part is:
a. 74 b. 86 c. 92 d. 108
243I %d;W tpfpjqf; s; gphpf;Fk; NghJ Kjy; gFjpapd; ghjp kjpg;Gk;>
1 1
,uz;lhtJ gFjpapd; ghfKk;> %d;whtJ gFjpapd; ghfKk ; rkk; vdpy;>
3 4
kpfg;nghpa gFjpapd; kjpg;G vd;d?
a. 74 b. 86 c. 92 d. 108

26. Match the following
q q
A. First quartile 1. 3 1
q q
3 1
n1
B. Inter quartile Range 2.
4
C. Semi inter quartile Range 3. q q
3 1
q q
D. Co-efficient of quartile deviation 4. 3 1
2
A B C D
a. 4 1 2 3
b. 1 2 3 4
c. 3 4 1 2
d. 2 3 4 1
nghUj;Jf
q q
A. Kjy; fhy;khdk ; 1. 3 1
q q
3 1
n1
B. ,ilf;fhy;khd trP ;R 2.
4
C. miu ,ilf;fhy;khd tPr;R 3. q q
3 1
q q
D. fhy;khd tpyf;ff;nfO 4. 3 1
2
A B C D
a. 4 1 2 3
b. 1 2 3 4
c. 3 4 1 2
d. 2 3 4 1
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(Q.NO: 27) A box contains 6 red, 4 blue, 2 green and 3 yellow balls.
xU ngl;bapy; 6 rptg;G> 4 ePyk;> 2 gr;ir kw;Wk ; 3 kQ;rs; ge;Jfs; cs;sd

27. If two balls are picked at random, what is the probability that both are red?
1 1 2 1
a. b. d.
6 3 15 7
,uz;L ge;Jfs; vLf;Fk; NghJ mt;tpuz;Lk; ePy epw ge;jhf ,Ug;gjw;fhd
epfo;jfT vd;d?
1 1 2 1
a. b. d.
6 3 15 7

28. Four coins of same size are placed on a table so that each coin touches the
other two. Find the area of unoccupied space between them, if radius of
each coin is I cm.
a. 4 cm2 b. cm2 c. (4-) cm2 d. (-4) cm2
xNu msTs;s ehd;F ehzaq;fs;> xt;nthd;Wk; kw;w ,uz;L ehzaq;fisj;
njhLkhW xU Nkir kPJ itf;fg;gLfpd;wd. me;j xt;nthU ehzaj;jpd;
MuKk; 1 nrkP vdpy;> mej; ehzaq;fSf;F ,ilNa Mf;fpukpf;fg;glhky;
,Uf;Fk; ,ilntspg; gFjpapd; gug;gsT vd;d?
a. 4 nrk2P b. nrkP 2 c. (4-) nrkP 2 d. (-4) nrkP 2

29. The area of circle whose radius is 5 cm is trisected by two concentric circles.
The ratio of the radii of the concentric circles in ascending order is
a. 1 : 2 : 3 b. 1 : 2 : 4 c. 1 : 2: 3 d. 2: 3: 5
5 nrkP ePsj;ij Mukhff; nfhz;l xU tl;lj;jpd; gug;gsT ,uz;L nghJ
ika tl;lqf; shy; %d;whfg; gphpf;fg;gLfpwJ. me;j nghJ ika
tl;lq;fspd; Muq;fspd; tpfpjk; VW thpirapy; vtt; hW ,Uf;Fk;?
a. 1 : 2 : 3 b. 1 : 2 : 4 c. 1 : 2: 3 d. 2: 3: 5

30. Two cross roads, each of width 5 cm, perpendicular to each other, run
though the middle of a rectangular field of size 80m × 60m. The cost of
gravelling the roads at the rate of ` 10 per square metre will be:
a. ` 6500 b. ` 6750 c. ` 7000 d. ` 7250
80 kPl;lh; ePsKk ; 60 klP ;lh; mfyKk; nfhz;l xU nrt;tf tbt epyj;jpd;
ikaj;jpy; 5 nrk P mfyk; nfhz;l ,uz;L FWf;Fr; rhiyfs; xd;Wf;nfhd;W
nrqF; j;jhf ntl;br; nry;fpd;wd. me;jr; rhiyfis ruisf; fw;fisf;
nfhz;L epug;Gtjw;F xU rJu klP ;lUf;F `10 tPjk; vtt; sT nryT MFk;?
a. ` 6500 b. ` 6750 c. ` 7000 d. ` 7250

31. A path of uniform width runs inside a rectangular park 40 m by 30 m. If
area of the path is 384 m2, the width of the path is
a. 3 m b. 4 m c. 5 m d. None of these
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40 kP ePsKk ; 30 k P mfyKk; nfhz;l xU nrt;tf tbt g+q;fhtpd;
cl;gFjpapy; xNu rPuhd mfyj;ijf; nfhz;l xU ghij nry;fpwJ. me;jg;
ghijapd; gug;gsT 384kP2 vdpy;> mej; g; ghijapd; mfyk; vtt; sT?
a. 3 k P b. 4 kP c. 5 kP d. ,tw;wpy; vJTkpy;iy

32. A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and
the ceiling is equal to the sum of the areas of four walls, the volume of the
hall is:
a. 720 b. 900 c. 1200 d. 1800
xU $lj;jpd; ePsk; 12 kP kw;Wk; mfyk; 12 kP. me;jf; $lj;jpd; jiu
kw;Wk; Nkw;$iu Mfpatw;wpd; gug;gsTfspd; $Ljy;> mej; f; $lj;jpd;
ehd;F Rth;fspd; gug;gsTfspd; $LjYf;Fr; rkk.; vdpy; mej; $lj;jpd;
fd msT:
a. 720 kP 3 b. 900 kP 3 c. 1200 kP 3 d. 1800 kP 3

33. The radius of the base and height of a cone are 3 cm and 5cm respectively
whereas the radius of the base and height of a cylinder are 2 cm and 4 cm
respectively. The ratio of the volume of the cone to that of the cylinder is
_______
a. 15:8 b. 45:16 c. 15:16 d. 1:3
xU $k;gpd; mbg;ghf Muk; kw;Wk; cauk; KiwNa 3 nrkP kw;Wk; 5 nrk P
MFk;. Mdhy; xU cUisapd; mbg;ghf Muk; kw;Wk; cauk; KiwNa 2
nrkP kw;Wk; 4 nrk P MFk;. $k;gpd; fd msT kw;Wk; cUisapd; fd
msTf;F ,ilNaahd tpfpjk; vd;d?
a. 15:8 b. 45:16 c. 15:16 d. 1:3

34. A cylinder of diameter 60 cm is filled with some water. A sphere of diameter
30 cm is completely submerged into this water. How much water level in
cm is increased?
a. 2 b. 3 c. 4 d. 5
60 nrk P tpl;lk; nfhz;l xU cUis jz;zPh ; nfhz;L epug;gg;gLfpwJ. 30
nrkP tpl;lk; nfhz;l xU Nfhsk; mej; j; jz;zPhpy; KOtJkhf %o;FfpwJ.
jz;zPhpd; msT vj;jid nrk P cah;fpwJ.
a. 2 b. 3 c. 4 d. 5

35. If the volume of a sphere is divided by its surface area, the result is 27cm,
what is the radius of the sphere?
a. 9cm b. 27cm c. 81cm d. 243cm
xU Nfhsj;jpd; fd msT mjDila Nkw;gug;gpdhy; tFf;fg;gl;lhy;> 27
nrkP vd;w tpil fpilf;fpwJ. vdpy;> mej; f; Nfhsj;jpd; Muk; vtt; sT?
a. 9 nrk P b. 27 nrkP c. 81 nrkP d. 243 nrkP

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