Complete the following Number series:

1, 3, 11, 47, ……………., 1439
(a) 239
(b) 293
(c) 932
(d) None of these

Anurag Mishra Professor Asked on 2nd March 2016 in Reasoning Questions.
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1 Answer(s)

Answer: (a) 239

Explanation:-
 1 x 2 + 1 = 3,
 3 x 3 + 2 = 9 + 2
= 11,
11 x 4 + 3 = 44 + 3
 = 47, 

Same as, 
47 x 5 + 4 = 235 + 4
 = 239

Then, the missing number is 239. 

Hence, the correct answer is option (a) 239. 

Anurag Mishra Professor Answered on 2nd March 2016.
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