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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'SC Development Officer & District Manager - SC Development & Kerala State Development Corporation for SC/ST Ltd ' And exam conducted in the year 2021. And Question paper code was '077/2021'. 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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A set of 51 numbers is such that if we remove the first number, the average of the
remaining numbers will be reduced by 1 from the average of all the numbers, if we
remove the first and second, average will be reduced by 2 from the original average
of 51 numbers and so on. If average of all the 51 numbers is 1000, then which of the
following is true ?
A) The numbers can be uniquely determined using the given data
B) There exist many sets of numbers satisfying the given conditions
C) Such a set of numbers cannot exist
D) Data insufficient to say anything about these numbers
Amonkey tries to climb up 8 50 m high pole. It jumps up 1.25 m every second, but slides
down by 0.5 m next second. In how many seconds it will reach the top ?
A) 133 B) 131 C) 134 D) 132
Mr. X aged 35 was bom in January 1980 on a Monday. He has a son and daughter
where the sonis elder and the sum of the ages of his kids is 8. The son was bom on X’s
birthday. What can be the year of birth of the son ?
A) 2007 B) 2008 C) 2009 D) 2010
Two 12 hour clocks were corrected to show the right time where the first clocks becomes
faster by 2 minutes every 12 hours and the second one becomes slower by 3 minutes
every 12 hours. After how many minimum number of days they will again show the
correct time ?
A) 120 B) 180 C) 240 D) 360
Consider the following relations :
A is bigger than B. A is bigger than D. D is smaller than G and E. B is bigger than E.
Eis bigger than G and F. C is bigger than G and E. Which of the following is correct as
per these relations ?
A) Ais bigger than G, but not bigger than F
B) Dis smaller than everybody else
©) Eis smaller than exactly 3 and bigger than exactly two
D) Fis smaller than everybody except 0
. From 100 to 1000 how many 3 digit numbers are there with all digits in its distinct ?
A) 900 B) 899 C) 648 D) 675
A borrows an amount from B and promises to retum the amount with two third of it as
interest after 2 years. C borrows Rs. 1,000 from B and pays it back after 2 years with
25% interest. If A and C pays the same amount, how much did A borrow ?
A) 500 B) 750 C) 900 D) 1,000
In a group of 200 people arranged in some order, every second person is a man, every
third person is amusic lover, every fifth person is a movie buff. How many men are there
possibly not interested in music or films ?
A) 45 B) 50 C) 53 D) 57
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