Kerala PSC Previous Years Question Paper & Answer
Page:1
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Lecturer in Polymer Technology (Polytechnics)' And exam conducted in the year 2023. And Question paper code was '120/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
FINAL ANSWER KEY
Question 120/2023/0ட
Paper Code:
Category 398/2022
Code:
Exam: Lecturer in Polymer Technology (Polytechnics)
Date of Test 21-07-2023
Department Technical Education
Question1:-Let A, B and X be three matrices such that A = BX. If A=[} %| and B= [|]
, then X equals
5
33 3]
]
4
1
1
2
1
0
|
1[--
خا
Correct Answer:- Option-A
१००,
೪೧೪)
0೬೮5॥೦೧2:-1 83-0-೦೧7೦, ೦೧೮ 1೦೦೭ ೦! "ರ 2 |=0 is
விடல تو۔ن۵
B:-1
C:-2
D:-0
Correct Answer:- Option-D
Question3:-The term independent of x in the expansion of (2,1) is
A:-4th
B:-5th
C:-6th
D:-10th
Correct Answer:- Option-C
Question4:-The equation of the line that had y intercept 4 and is perpendicular to
3x+2y=7 is
A:-2x-3y-12=0
B:-2x-3y+12=0
C:-2x+3y+12=0
D:-2x+3y-12=0
Correct Answer:- Option-B
Question5:-If tanc=! , then the value of acos2x+2sin2x is
A:-a+b