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 'Field Officer (Main Examination)' And exam conducted in the year 2023. And Question paper code was '161/2023'. 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.
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Ifthe matrix A= | | has eigen values 4 and 8, then:
% 9
(A) x=4,y=10 (8) ॐ = -4, + = -10
(@ x=-4, y=10 0) x=4,y=-10
Let A be a square matrix such that A* =0. Then inverse of I-A is:
(A) I © I+A
(0 7൧൧൦൪ (00) 1+ 4+ “ثم ب+...+ تم
The value of ಸ 0 | where w is a non-real cube root of 1.
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^) 8 0) ४2
4
ع )@ 1 ©
13
The value of പ 2371 is:
(A) 34547 (8) ಟ್
© ശു) @) +0-iv3)
The distance between the foci of an ellipse is 6 units and its minor axis is 8 units. Then the
eccentricity is :
© + م
il
رم ©
oye ೮೬
५०| < |
ण्ण
|
If the distance between the points (3, ൫) and (8, 7) is 18, then b is equal to :
(A) 5or-19 ൯) 5൧19
(൮ -5 0" -19 (D) -50" 19
Which of the following is true for the function f(x)=x* — 6x? +9x +25?
(A) fhasa maxima at x =1 and minima at x =3
൯) 11185 8 maxima at x =3 and minima at x=1
(@ fhas only minima at x =1
൯൬) fhas only maxima at x =3
161/2023-M 16 A