TNPSC 2019: Assistant System Engineer & Assistant System Analyst, PAPER-II
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81. No. : EAD2/19
Register
Number
PAPER-II
Engineering Aptitude
(Deg. Std.)
Time Allowed: 1 Hour) [Maximum Marks: 50
Read thefollowing instructions carefully before you begin to answer the questions.
IMPORTANT INSTRUCTIONS
1. The applicant will be supplied with Question Booklet 15 minutes before commencement of the examination ..
2. This Question: Booklet contains 50 questions. Prior to attempting to answer the candidates are requested to
check whether all the questions are there in series and ensure there are no blank pages in the question
booklet. In case' any defect .in the Question Paper is noticed, it shalI be reported to the
Invigilator within first 10 minutes and get it replaced with a complete Question Booklet. If any
defect is noticed in the Question Booklet after the commencement of examination, it will not be
replaced.
3. Answer all questions. AlI questions carry equal marks.
4. You must write your Register Number in the space provided on the top right side of this page. Do not
write anything else on the Question Booklet.
5. . An answer sheet will be supplied to you, separately by the Room Invigilator to mark the answers. .
6. You will also encode your Question Booklet Number with Blue or Black ink Ball point pen in the space
provided on the side 2 of the Answer. Sheet. l.f you do not encode properly or fail to encode. the above
information, action will be. taken as per commission's notification.
7. Each question cOmprises[our responses (A), (B), (C) and (D). You are to select ONLY ONE correct
response ~nd mark in your Answer Sheet. In case you fe'el that there are more than one correct
response, mark the response which you consider the best. In any case, choose ONLY ONE response for
each question. Your total marks will depend on the number of.correct responses marked by you in the
Answer Sheet.
8. In the Answer Sheet there are four circles @ ,@, @ and @ against each question. To answer the
questions you are to mark with Blue or Black ink Ball point pen ONLY ONE circle of your choice for
each question. Select one response for each question in the Question Booklet and marIc in the Answer
Sheet. If you mark more than one .'answer,for one question, "the answer will be treated as wrong. e.g. If
for any item, @ is the correct answer, you have to mark as follows:
@.@@
9. You should not remove or tear off any sheet from this Question Booklet. You are not allowed to take
this Question Booklet and the Answer Sheet out of the Examination Hall during the time of
examination. After the examination is concluded, you must hand over your Answer Sheet to the
lnvigilator. Youare allowed to take the Question Booklet with you onlvafter the Examination is over.
10. Do not make any marking in the question booklet except in the sheet before the last page of.
the question booklet, which can be used for rough work. This should be strictly adhered.
11. . Applicants have to write and shade the total number of answer fields left blank on the boxes provided
at side 2 of OMR Answer Sheet. An extra time of 5 minutes will be given to specify the number of
answer fields left blank.
12. Failure to cOnlply with any of the above instructions will render you liable to such action or penalty as
the Commission may decide at their discretion. . "
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SPACE FOR ROUGH WORK .,
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. I f (35x35)+(15xI5)
1. Th eva UL 0 25 +10 IS
2 2
(A) 1700 (B) 725
. (C) 80 $2
2. Find the wrong number in the series 0, 7, 26, 65, 124
(A) 7 (B) 26
...., 65 (D) 124
3. In how many ways can a. group of 5 womer and 2 men be made out of a total of 6 men and
6 women?
(A) 30 (B) 60
~ 90 (D) 120
. 53
4. The sum of two numbers is - of the first number. The second number is what percent of
50
the first?
(A)' 3% VJIIf6%
(C). 12% (D) 50%
5. Two dice are thrown simultaneously. What isthe probability of getting a sum greater than
3 is?
6. By selling an article for Rs.I00, a man gains RS.20. Then his gain percentage is
(A) 20% (B) 21%
(C) 23% ~ 25%.
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7. Let R = {(I,1),(1,2), (2,3), .(2,2), (3, 3)} be a relation defined on a set A = {I, 2, 3}. Then
.. '
which of the following is true?
'. / R is reflexive (B) R is symmetric
(C) R is transitive (D) R is an equivalence relation
8. The product of the L.C.M. and H.C.F of two numbers is 24. The sum of two numbers is 10.
Find the nu'mbers.
(Al 5 and 5 /6 and 4
(C) 8 and 2 (D) 9 and 1
9. The H.C.F. of 0.15, 0.75, 0.6 is
(A) 0.005 (B) 0.05
(C) 0.5 '\IIfIf O. 15
10. If peA) = 0.2, PCB) = 0.5 with A and B are independent events, then peA n B')"=
(A) a Jo.1
(C) 0.2 (D) 0.5
11. The number ofpermutations.ofletters in the word "APPLE" is .
(A) 120 ~ 60
(C) 5 (D) 1
12. The relationship between permutation and combinations is
_nC,.
(A) n C" = n~. x r ! (B) n.P ---
r 2r!
(C) nC,. = n p,. x (1' ,)2 .n ~_ = nCr X r !
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13. The variations in temperatures from O°C to 100°C with re'spect to time of two liquids P, Q
are shown in the graph.
Which one of the following statements is correct?
(0,0) Time
(A) At no point the time during heating did the two liquids have the same temperature
(B) P attained temperature of 100°C faster than Q
.~ Q attained temperature of 100°C faster than P
(D) During heating, liquid P remained hotter than liquid Q throughout
14. Two distributions P and Q of the same area and mean are given in the following graph
Which one of the following statement is correct?
P
I I I
10 20 30 80
P has less dispersion than Q
(B) P has greater dispersion than Q
(C) Q has greater dispersion than P
(D) With the given data we cannot compare
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15. The following pie chart shows the marks obtained by a student in: an e"amination. Who
scored 750 marks in all, the subject"in which the student scored 125 marks?
Maths
90
Hindi
60
75
(A) Science
# Hindi
(C) Maths
(D). English
16. . A 200 m long train crosses a man walking at a speed of 10 kmph in the opposite direction
in 6 sec. The speed of the train (in kmph) is
(A) 130
. (B) 120
(C) 55
..JIll!' 11 0
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{
I 17. The next pair of letters in the series AZ, CX, FU ---IS.
~ JQ (B) Kp.
(C) IR (D) Jp
18. If''YHILE' is coded as 'XIJMF', then how will be the code 'HOTEL'?
(A) JQVGN .. ~PUFM
(C) KRVHO (D) LETOH
19. In the following figure R is the centre of the semicircle with diameter LP. T and U are
centres of the semicircles LSR and RQP. LR = RP = 1:. LP. Then the ratio of the perimeters
. 2
of LNP and LSRQP is
'N
L P
Q
(A). 1: 0.75 ....;/ 1: 1
(C) 0.75: 1 (D) 1.25: 1 •
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'20. Find the value ofn in given series
68, 68.5, 69.5, 71, n, 75.5, 78.5
(A) 72
"
$73
(C) 74 (D) 75
21. A man rows 12 km/h in still water. When river is running at 2.4 kmlh, it takes 1 h to row to
a place and to come back. How far is the place?
~ 5.76 km (B) 5.67 km '
(C) 6.57 km (D)' None of these
. '
22. A factory makes custom sports car at an increasing rate. In the first month only one car is
made, in the se'condmonth two cars are made and so, on with n cars made in 'the nth month.
How many cars are produced in the first year? .
(A) . 66 .... ~ 78
(C) 12 (D) 72
23. In.secret message 'HOTEL' is coded as 300. What will be code for 'ALTO'?
(A) 75 (B) 160
£192 (D) 48
24. Kumar drives 10 kms towards south from his house and turns left and drives another
25 kms, again he turns left and drive 40 km straight, then turns right and drives another
5 kms to reach the factory where he works. In which direction is the factory from his house?
~ North-East (B) North
,
(C) East (D) . West
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25. The base of a parallelogram is 12 em. If the area of the parallelogram is 72 sq.em, then the
. height is
(A) 4 ~6
(C) 12 (D) 18
\. rn.
26. If tJ;1eheight of an equilateral triangle is 2",3 , then its area is
(A)
(C)
I
(A) 55 ~170
(C) 225 . (D) 280
28. The total area of the 11 squares whose sides are 1 em, 2 em, 3 em, ... ,11 em respectively is
(A) 66 (B) 206
~506 (D) 516
29. The sum of all even numbers between 1 and 101 is
(A) 50 • """ 2550
(C) 3151 (D) 5151
1 1 1
30. 1+-+-+-+ ...
•3 9 27 .
.2
(A)
3
(C), 2 (D) 3
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31. The ratio of the co'st price and the selling price is 5:6. Then the profit percent is
(A) 10% $ 20% .
(C) 25% (D). 30%
32. The value of 10glO250 + log,~8 -log,o 2 is
(A) 250 (B) 8
~3 (D) 2
33. Which of the following relation defined on a set A = {I, 2, 3} is not transitive?
(A) R = {(I, I)} (B) R = {(I, 2), (2, 2)}
""" R = {(I, 2), (2, 3), (1, 3), (2, I)} (D) R = {(I, 2), (2, 3), (1, 3)}
34. If 0=2[ - J + k, b = [ + 2J -3k and c = 3i +bj +5k are coplanar, then the value of b is
~ -4 (B)' 4
(C) -7 (D) 7
35. Let X = {a, b, c} and Y = {O, I} . Then the number of distinct functions from the set A to the
set B is
(A) 9 ~8
(C) 3 (D) 2
. 36. Let f: R -'> Rand g: R -'> R denote the functions defined by f (x) = 2x + 3, g(x) = x2 for
every x E R. Then the composition function (f 0 g)(x) is
(A) (2x + 3)' (B) . 2x + 3
~ 2x'+3 (D) . 4x2 +9
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37. The standard deviation of 9, 9, 9,9 is
¥ 0" "
(B) 3
(C) 9 (D) 81
38. If the Geometric mean of x, 5, 25 is 5, then the possible value of x is
(A) 25 (B) 20
(C) .5 ~1
39. . What is the probability that a leap year selected at random will contain 53 Fridays?
1
(A) o (B)
7
.JJlIf 2 (D) 1
7
40. The relationship between mean, median and mode is
~. mode = 3 median - 2 mean. (B) mode = 3 mean - 2 mode
(C) mode = median - 2 mean (D) mode = mean - 2 mode
41. The median of the following data is data: 4100, 4150, 6080, 7120, 5200, 6160, 7400
(A) 5200 ~ 6080
(C) 7120 (D) 7400
42. A mim sells an article at",a profit of 25%. If the cost price of an article is 2000, then the
selling price is
(A) 500 (B) 1500
(C) 2250 ..JIl!{ 2500
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43. The pie chart given below shows the expenditure in bringing out.a book by a publisher. What
is the ce'ntral angle showing the miscellaneous expenditure?
Binding Printing
12% 36%
Canvassing Paper
18% 16%
Royalty 1iscellaneous
10%
(A) 7.2 (B) 14.4
~ 28.8, (D) 57.6
44. If
'0 -'Factory workers
6- Hardworking workers
o-, Honest workers, then which of the following diagram best suits?
\
(A) (B)
~'
I(~'
~
ILOI (D)
@)
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45. Strips of two metals A and B are firmly joined together, as shown in the figure on heating,
A expands more than B does. If this joined strip is heated, then it will appear as
(A)
(C) (D)
46. The following are the relationship among members of a family of six persons A, B, C, D, E,
and F
1. The number of ma.les equal that of females
..
2. A and E are sons.of F
3. D is the mother of two, one boy and one girl
4. B is the son of A
5. There. is only one married couple in the family at present.
Which of the following can be drawn from the above?
(A) A, Band C are all females ~ A is the husb~nd ofD
(C) E and F are children of D . (D) D is the grand daughter of F
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47. The following bar diagram shows the registration of cars and total vehicles during first six
months of the year 20.17in Chennai. .
What was the increase in registration of vehicles other than cars from January to April?
~
35 35
27 ~
25
21 22
15 15 ~
17
r •
Months
(A) 50.0.0. '~o.o.o.
(C) 100.0.0. (D) 150.0.0.
48. What was the percentage increase in registration of cars from May to June?
(A) 11% (B) 39.28%
$ 64.7%' (D) 72.6%
49. .What was the number of vehicles other than cars registered in March?
. (A) . 50.0.0.. . ¥
10.0.0.0. \.
(C) 350.0.0. (D) 370.0.0.
50.. The wrong number in the series given below
2,3, 13, 37, 86, 167, 288 is
(A) .86 (B) 167
(C) 3 .JII!'f 13
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SPACE FOR ROUGH WORK
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Source: Tamil Nadu Public Service Commission. Question paper published by Tamil Nadu Public Service Commission.