UKPSC Lecturer Screening Exam 21 March 2021 (Official Answer Key)

SECTION – 4

106. Suppose a, b, c, d, e are five consecutive odd numbers in ascending order. Consider the following statements :
(1) Their average is (a +4).
(2) Their average is (b + 2).
(3) Their average is (e – 4).
Which of the statements given above is/are correct ?
(a) (1) only
(b) (2) and (3) only
(c) (1) and (3) only
(d) (1), (2) and (3) all

107. A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running towards downstream. Then the ratio between the speed of boat and the speed of the water current is :
(a) 2:1
(b) 3:2
(c) 8:3
(d) None of these

108. If I can walk a certain distance in 50 days when I rest 9 hours each day, how long will it take me to walk twice as fast and rest twice as long each day to cover twice as far the previous distance ?
(a) 125 days
(b) 120 days
(c) 124 days
(d) 130 days

109. In a certain code language ‘526’ means “sky is blue”; “24” means “blue colour” and “436” means “colour is fun”. Which digit in that language means fun ?
(a) 3
(b) 2
(c) 5
(d) 4

110. A man borrows ₹ 4,000 at 15% compound rate of interest. At the end of each year, he pays back ₹ 1,500. How much amount should he pay at the end of the third year to clear all his dues after pay back of ₹ 1,500 per annum for 3 years ?
(a) ₹824.50
(b) ₹874.75
(c) ₹924.25
(d) ₹974.25

111. A bird shooter was asked how many birds he had in his bag. He replied that there were all sparrows but six; all pigeons but six and all ducks but six. How many birds he had in the bag in all ?
(a) 9
(b) 18
(c) 27
(d) 36

112. Given three elements may have some linkage. These elements may fit into one of the diagrams at (a), (b), (c), (d). You have to indicate group of given elements which fit best in given options.
Given elements : Teacher, Author, Man

113. If 30 – 10 means 300, 8 ÷ 4 means 12,6 x 2 means 4, then
100 – 10 x 1000 ÷ 1000 + 100 x 10 = ?
(a) 0
(b) 20
(c) 1090
(d) 1900

114. Kalyani is mother-in-law of Veena who is sister-in-law of Ashok, Dheeraj is father of Sudeep. Sudeep is only brother of Ashok. How is Kalyani related to Ashok ?
(a) Cousin sister
(b) Wise
(c) Mother
(d) Mother-in-law

115. A person is driving towards West. What sequence of directions should he follow so that he is driving towards South ?
(a) left, right, right
(b) right, right, left
(c) left, left, left
(d) right, right, right

116. If 150% of an amount is 0.24, then what will be 0.24% of it ?
(a) 150
(b) 0.0384
(c) 0.000384
(d) 0.000864

117. Find the next figure in the following figure series :

118. Find the missing value :

(a) 16
(b) 21
(c) 61
(d) 81

119. Median of the first ten prime numbers is :
(a) 11
(b) 12
(c) 13
(d) None of these

120. Effort : Success is the same as :
(a) Play : Tennis
(b) Health : Vitamin
(c) Reading: Knowledge
(d) Climb : Mountain