UPPCS Pre Exam 2020 Answer Key

UPPSC PCS, ACF and RFO Pre Exam Paper 2 – 11 October 2020 (Official Answer Key) in English

Click Here To Read This Paper in Hindi Language

41. Which of the following decision making style takes longer time?
(a) Analytical style
(b) Behavioural style
(c) Directive style
(d) None of the above

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Answer – (A)

42. The proportion of various sectors in a pie chart is directly proportional to
(a) Perimeter of sectors
(b) Angle of sectors
(c) Area of sectors
(d) None of the above

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Answer – (B)

43. Mode of the observations 10, 11, 16, 17, 12, 13, 17, 16, 16, 12, 16, 10, 15, 16, 10 is
(a) 13
(b) 15
(c) 16
(d) None of the above

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Answer – (C)

44. The principal use of ‘definition’ is to eliminate
(a) Logical forms
(b) Rules of grammar
(c) Meaning
(d) Ambiguity

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Answer – (D)

45. Any valid standard form of categorical syllogism with a particular conclusion and two universal premises will commit the fallacy of
(a) Illicit major
(b) Existential fallacy
(c) Illicit minor
(d) Undistributed middle

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Answer – (B)

46. The missing number (?) in the following series :
60, 180, 90, 270, ?, 405 is
(a) 675
(b) 540
(c) 360
(d) 135

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Answer – (D)

47. The age of father is twice that the sum of ages of his two sons. 20 years later, the age of father will become the sum of ages of his two sons. The present age of father is
(a) 40 years
(b) 60 years
(c) 30 years
(d) 50 years

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Answer – (A)

48. Complete the sequence with the correct option from the following codes
EGIK : FILO :: FHJL : ?
(a) JGMP
(b) JGPM
(c) GJPM
(d) GJMP

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Answer – (D)

49. How many 4’s are there in the following which are preceded by 7 but NOT followed by 3 ?
5 9 3 2 1 7 4 2 6 9 7 4 6 1 3 2 8 7 4 1 3 8 3 2 5 6 7 4 3 9 5 8 2 0 1 8 7 4 6 3
(a) Four
(b) Three
(c) Six
(d) Five

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Answer – (A)

50. In a row of boys, if A who is 10th from the left and B who is 9th from the right, interchange their positions, A becomes 15th from the left. How many boys are there in the row ?
(a) 24
(b) 31
(c) 23
(d) 28

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Answer – (C)

51. Arrange the words given below in a meaningful sequence :
1. Presentation
2. Recommendation
3. Arrival
4. Discussion
5. Introduction
(a) 3, 5, 1, 4, 2
(b) 5, 3, 4, 1, 2
(c) 3, 5, 4, 2, 1
(d) 5, 3, 1, 2, 4

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Answer – (A)

52. 3 men or 7 women finish a work in 32 days. 7 men and 5 women together will finish the twice of this work in
(a) 19 days
(b) 21 days
(c) 27 days
(d) 36 days

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Answer – (B)

53. Two trains of length 127 mt. and 98 mtare moving in opposite directions with speed 35 km/hr and 55 km/hr respectively. After meeting they will cross each other in
(a) 6 seconds
(b) 8 seconds
(c) 9 seconds
(d) 10 seconds

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Answer – (C)

54. If x2 + y3 = 35 and xy = 6, x > y, then value of (x – y) will be
(a) 1
(b) 2
(c) 3
(d) None of the above

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Answer – (A)

55. If (x – 1) and (x + 1) are two factors of the polynomial x6 – 1, then its other factors are
(a) (x2 + 1), (x2 + x + 1)
(b) (x2 + 1), (x2 – x – 1)
(c) (x2 – x + 1), (x2 + x + 1)
(d) (x2 – x – 1), (x2 + x – 1)

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Answer – (C)

56. A rectangular field is 112 mt. long and 62 mt. broad. A cubical tank of edge 6 mt. is dug at each of the four corners of the field and the soil so removed is evenly spread on the remaining field. Find the rise in the level of the field.
(a) 13.13 cm
(b) 11.9 cm
(c) 12.7 cm
(d) 14.24 cm

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Answer – (C)

57. The radius of a solid sphere of a metal is 3 cm. How long wire of diameter 4 mm can be drawn from it?
(a) 8.8 mt.
(b) 9.0 mt
(c) 9.6 mt.
(d) 9.1 mt.

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Answer – (B)

58. Seventeen candidates appeared in an examination. The marks of the candidates who failed in the examination are 10, 9, 6, 7, 8, 8, 7, 5, 4, 6. The median of marks of all seventeen candidates is
(a) 6
(b) 7
(c) 9
(d) None of the above

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Answer – (C)

59. Which of the following is NOT an interpersonal barrier in organizational communication ?
(a) Ethnocentrism
(b) Semantics
(c) Ingratiation
(d) Impression management

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Answer – (A)

60. Highest degree of communication openness is found in
(a) Informal communication
(b) Meta-communication
(c) Direct communication
(d) Indirect communication

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Answer – (B)

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