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Sunday 27 March 2016

ARITHMETIC AND MENTAL ABILITY- 4

46. The average of five numbers is 57.8.  The average of first and the second numbers is 77.5 and the average of the fourth and fifth numbers is 46. What is the third number?
(a)45 (b) 43
(c) 42 (d) Cannot be determined
Answer: (c)

47. House : Kitchen :: Plant: ?
(a)Root (b) Stem
(c) Flower (d)  Leaf
Answer: (d)


48. Find the odd word:
(a)Skin (b) Nose
(c) Ear (d) Kidney
Answer: (d)

49. The average marks in Biology in a class test are 52.5.  One student’s marks were increased by 8 and, consequently, the average became 52.75.  The strength of the class was:
(a) 40 (b) 32
(c) 24 (d) Cannot be worked out
Answer: (a)

50. 9,27,31,155,161,1127,?
(a)1135 (b) 1288
(c) 316 (d) 2254
Answer: (a)

51. Which is the odd one?
(a)BYCX              (b) CXDW        (c) AZYB                  (d) DWEV
Answer: (c)

52. The ratio of cost price and selling price of an article is 20:21.  What is the profit percent on it?
(a) 5             (b) 5.5               (c) 6                 (d) 6.25
Answer: (a)

53. Surgeon : Forceps :: ?
(a) Doctor:Prescription                          (b) Refugee:Asylum
(c) Blacksmith: Hammer                         (d) Driver: Brake oil
Answer: (c)

54. 36% of a number is 117.  The number is:
(a)252            (b) 153           (c) 225          (d) 325
Answer: (d)

55. 45, 33, 23, 15, 9, ?
(a)1              (b) 3               (c) 5             (d) 7
Answer: (c)


56. A train crosses a platform in 4 seconds. What is the length of the platform if the speed of the train is 30 metres per second?
(a)120m            (b) 70 m                (c) 115 m             (d) Data inadequate
Answer: (d)

57. 15, 20, 18, 23, ____, 26
(a) 21         (b) 25          (c) 20          (d) 28
Answer: (a)

58. The ratio of length and breadth of a rectangle is 7:6.  What is the length of the rectangle if its perimeter is 52 c ms?
(a)26 m              (b) 14m            (c) 28m            (d) 7m
Answer: (b)

59. Sight: Eyes:: Odour:?
(a)Skin                 (b) Nose              (c) Ear          (d) Tongue
Answer: (b)

60. A profit of Rs.19488 is distributed amongst three partners X,Y and Z in the ratio 5:2:7 respectively. What is the total of Y’s and Z’s share?
(a)Rs.9744          (b) Rs.16704      (c) Rs.12528       (d) Rs.14513
Answer: (c)
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