Complete the Following Series by Choosing the Correct Option:

39, 46, 60, 81, 109, ?, 186

  1. 138
  2. 142
  3. 136
  4. 144
Monis Rasool Professor Asked on 7th September 2015 in Reasoning Questions.
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1 Answer(s)

Answer: (4) 144

Explanation:-
39 + 1 x 7 = 39 + 7
= 46,
46 + 2 x 7 = 46 + 14
= 60,
60 + 3 x 7 = 60 + 21
= 81,
81 + 4 x 7 = 81 + 28
= 109,
Same as,
109 + 5 x 7 = 109 + 35
= 144

Then, the missing number is 144.

Hence, the answer is (4) 144.

Anurag Mishra Professor Answered on 9th September 2015.
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