Number Series asked in IBPS PO Prelims Exam Held on 22nd Oct 2016 (1st slot) - Memory Based

Number Series asked in IBPS PO Prelims Exam  Held on 22nd Oct 2016 (1st slot) - Memory Based 
Dear Readers, IBPS PO Prelims Exam 22nd Oct 2016 (1st slot) has finished, here we have given Memory based Number Series questions. Candidates those who are all going to write the examination can check this pattern and make use it.

Direction(1-5): 

1). 7, 14, 30, 56, 93, ?

2). 23, 39, 32, 48, 41,  ?

3). 11, 13, 20, 48, 111, ? 

4). 13, 17, 33, 97, ?, 1377

5). 6, 3.5, 4.5, 11, 48. ?


1). 7, 14, 30, 56, 93, ?
Solution:
Difference of difference
7…………16………..26………..37…………49
……9………….10…………11………..12…….
Answer: So 93 + 49 = 142

2). 23, 39, 32, 48, 41, ?
Solution:
Double difference
+16……. -7……..+16…….. -7
Answer: So 41 + 46 = 57

3). 11, 13, 20, 48, 111, ?
Solution:
13 + 1 …….23 – 1…….33 +1 ………
Answer: So 111 + 126 = 237

4).13, 17, 33, 97, ?, 1377
Solution:
4…….16…….64……256
Answer: So 97 + 256 = 353

5). 6, 3, 5, 4, 5, 11, 48, ?
Answer:
*0.5 + 0.5….. *1 + 1…….*2 + 2……… *4 + 4…… *8 +8
Answer: So 48 *8 + 8 = 392




 



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