## Kerala PSC Previous Years Question Paper & Answer

Title : Junior Systems Officer - Kerala Co-operative Milk Marketing Federation Ltd
Question Code : A

Page:1

Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Junior Systems Officer - Kerala Co-operative Milk Marketing Federation Ltd' And exam conducted in the year 2024. And Question paper code was '018/2024'. 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.

page: 1 out of 18
Excerpt of Question Code: 018/2024

018/2024

Maximum : 100 marks

Time : 1 hour and 30 minutes
. . 8 0
1. Iffor any 2x2 square matrix A, A(adjA) = 08 , then find the value of ‏۵إ‎ वि

(A) 64 (B) 0
(0 8 (D) 1

2. The number of possible matrices of order 3x3 with each entry 0 or 1 is:
(A) 27 (B) 18
(C) 81 (D) 512

8. The conjugate of i°+i'* is:
(A) -1+i (3) -1-i
( 1-i ൯൩) 0

4. The value of (1+i)" is:

2 ® 27( م

5 The multiplicative inverse of 3+4i is:
(A) ತ ‏رو‎ =
൭ 3 ‏کے رم‎

6. What is the centre of the circle 3x* +3y" -12x+15y+7=0?
(^) (12, -15) (8) (-12, 15)