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 'Lecturer in Electrical and Electronics Engineering TechnicalEducation (Polytechnics)' And exam conducted in the year 2023. And Question paper code was '131/2023'. 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.
131/2023
Maximum : 100 marks
Time : 1 hour and 30 minutes
2
1. The matrix [ ¢ is symmetric, if the value of b is:
(A) 3 © 2
(0 5 60) -3
121
2. Ifminorof2in|3 0 4] is—5, then the value of bis:
5 1 ९
(A) 5 (8) 0
(© -5 (0) -4
8. Coefficient of x* in [« + 3 is:
x
(A) 5 (B) 10
(© -5 (D) 1
4. sin 30.cos15 + cos30 sin 15 equals:
1 1
ற سے )8 ح
(A) a (0) 7
0 3
© 3 0 1
5. If y = 2x and x = ay are perpendicular then a equals:
بم 5 ൫ +
1 9
6 -1
(C) -2 (0) हः
A 3
[P.T.0.]