Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'STATION OFFICER English' And exam conducted in the year 2019. And Question paper code was '006/2019'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
46.
47,
48,
49.
51,
52,
53,
How many groups of order 4 are there upto isomorphism ?
(है) 4 ® 3
© 2 o 1
⋅ + 0.
The function f(x) = 7 18
0 24250
(A) both differentiable and continuous atx =0
(B) continuous but not differentiable atx =0
(C) differentiable but not continuous at x =0
(D) neither differentiable nor continuous at x =0
How many positive integers are there less than or equal to 150 which are relatively prime to 150 ?
(4) 40 B) 42
(ಲ) 38 D) 44
-t —m
The Fourier series of f(x) = | converges atx = 0 to
ऋ >>
മു 9 ® जा
0 o =
© = ©
೩2
The inverse Laplace transform of ഞ്ഞു 18
86“ ௬௧)
(A) l-sinat (8) 1-008
(೮) sinat+cosat (D) cosat—sinat
The general solution of second order equation x2y" + 3xy' +y=0is
வ ४ = (५1 + 02४) € 0) $= नलम + تم
(0) دو வர்தா യ) y=(c;+c,m)x!
. x 2
The value of ച و dtis
ಹ್
കു? ®) 2
© 1 o -1
el
The value of integral of complex function f(z) = 5 over the counter clockwise oriented
த
circle | z|=2is
(A) 2misinhl (B) 2micoshl
(0) 297 (0) 2mie?
9 06/2019
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