Choose the missing term and complete the series.

Directions: In the following 4 questions, select the missing number from the given responses.

  1. 3             4             5
    2             3             4
    1             2             3
    14           29           ?
    (a) 40
    (b) 32
    (c) 50
    (d) 30
  2. 15
    (a) 114, 111, 117
    (b) 111, 114, 117
    (c) 117, 109, 111
    (d) 109, 111, 117
  3. 16
    (a) 56
    (b) 72
    (c) 18
    (d) 42
  4. 17
    (a) 14
    (b) 12
    (c) 8
    (d) 9
Monis Rasool Professor Asked on 26th December 2015 in Reasoning Questions.
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1 Answer(s)
  1. Answer:  (c) 50

    Explanation:-
    3 x 3 + 2 x 2 + 1 x 1 = 9 + 4 + 1
     = 14, 
    4 x 4 + 3 x 3 + 2 x 2 = 16 + 9 + 4
     = 29

    Similarly, 
    5 x 5 + 4 x 4 + 3 x 3 = 25 + 16 + 9
    50 

    Then, the value of ? is 50. 

    Hence, the correct answer is option (c) 50. 

  2.  Answer:

  3.  Answer:  (b) 72

    Explanation:-
    8 x 4 = 32/2 = 12, 
    6 x 4 = 24/2 = 12,

    Similarly, 
    9 x 8 = 72/2 = 36. 

    Then, the value of ? is 72. 

    Hence, the correct answer is option (b) 72. 

  4.  Answer:  (b) 12 

    Explanation:-
    The square root of 121 = 11, 
    The square root of 64 = 8 .

    Similarly, 
    the square root of 144 = 12

    Then, the value of ? is 12. 

    Hence, the correct answer is option (b) 12. 

Anurag Mishra Professor Answered on 27th December 2015.
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