UKPSC Forest Ranger Officer (FRO) Pre Exam 2015 (Official Answer Key)

141. If X > Y and X + Y > Z, what mathematical relation exists between Y and Z ?
(a) Y > Z
(b) Z > Y
(c) Z = Y
(d) None of these

142. If ‘MAN’ is coded as 415, then ‘FIVE’ is coded as
(a) 6925
(b) 6945
(c) 6845
(d) None of these

143. A candidate who scores 30% fails by 5 marks, while another who scores 40% gets 10 more marks than the minimum pass marks. The minimum marks required to pass are
(a) 40
(b) 50
(c) 55
(d) 65

144. If 2 = 5 (coded)
4 = 18 (coded)
6 = 39 (coded)
then 10 = (–) (coded)
(a) 45
(b) 81
(c) 104
(d) 105

145. If the word ‘MUMBAI’ is written as ‘KSKZYG’, then ‘CHENNAI’ is written as
(a) AFCLLYG
(b) AECLLYG
(c) AFCMMYG
(d) AFDMMYG

146. What is the number, missing (?) in the third column ?

4	8	15
13	26	(?)
40	80	147

(a) 64
(b) 51
(c) 48
(d) 45

147. How many triangles are there in the following figure ?

(a) 10
(b) 11
(c) 12
(d) 13

148. If the average of m numbers is n² and that of n numbers is m², then the average of such m + n numbers is
(a) mn
(b) m + n
(c) m/n
(d) (m + n)/2

149. Which number would replace the question mark in the following sequence ?
2, 7, 14, 23, _?_, 47
(a) 27
(b) 34
(c) 38
(d) 43

150. If 38 – 15 = 32 (coded
and 62 – 91 = 7 (coded)
then 74 – 81 = (–) (coded)
(a) 53
(b) 38
(c) 30
(d) 29

 

 

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