Kerala PSC Previous Years Question Paper & Answer
Page:4
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'STATISTICAL ASSISTANT GR II / STATISTICAL INVESTIGATOR GR II / COMPUTER OPERATOR GR II ECONOMICS AND STATISTICS' And exam conducted in the year 2018. And Question paper code was '038/2018/OL'. 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.
8:--4
C:-10
0:--10
Correct Answer:- Option-A
Question29:-Which of the following is not an eigen value of the matrix
[2 1 31[0 1 0110 1 417 7
يم
8:-2
6:3
D:-4
Correct Answer:- Option-C
Question30:-" int~{{pi)/(2)" “cos™(4) x dx =
२ 0
A (pid(4)
8: (^ (2))/16)`
£~ (3^(2))16)`
0:-` (3017)/(16)7
Correct Answer:- Option-D
Question31:-The smallest number with 15 divisors is
A:-5625
B:-324
C:-144
D:-2025
Correct Answer:- Option-C
Question32:-The remainder when `27(1000)` 5 601666 0/17 6
يم
B:-3
اک
0-6
Correct Answer:- Option-A
Question33:-If 10787 , "beta” d *gamma’ are the roots of the "x~(3}+px~(2}+qx+r=0"
then the value of “alpha”(2)+beta™2" *+ gamma~(2} =" * *
கற்
ற்
(2424
೧;-`-07(2)-207
Correct Answer:- Option-A
Question34:-Which of the following pairs of vectors are perpendicular to each other 7
अ + 4 -5k and 4i + 3j + 2k
3j-kand3i+2j+k
3j+kand 2i + 3j + k
i+3j-2kand i + 4j + 8k
Correct Answer:- Option-D
Question35:-If Z represents the set of all integers and +,. represents usual addition and multiplication of integers
respectively, which of the following is not a group 7
A-(Z, +)
8:-(7, .)
೧-2-40,
D:-None of these
Correct Answer:- Option-B
Question36:-If tan A = (0/௫) and tan B = *(2)/(3), * thenA +B =
കട് 305
B:-60°
C:-90°
D:-45°
Correct Answer:- Option-D
0065937: ` (().(3))` = ` (().(15))` , प्रो 0 =
2ھ
6-8
5