Number Series Questions Asked in IBPS P Prelims 2017 - 07th October 2017

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· commented

· 1 Months ago

=======================IBPS PO PRELIMS - 2017 (SLOT -1) SERIES - SOLUTIONS===========
1.
17,98, 26, 89, 35 , ?
alternative Diff
17 + 9 = 26
26 + 9 = 35
98 -9 = 89
89 - 9 = 80 :)
--------------------------------------
2.
2, 17, 89, 359, 1079, ?
2
2*6 + 5 = 17
17*5 + 4 = 89
89 * 4 + 3 = 359
359 * 3 + 2 = 1079
1079 * 2 + 1 = 2159 :)
------------------------------------------
3.
3,5,15,45,113,?
3...5...15...45...113
...2...10...30...68
diff
1^3 + 1 = 2
2^3 + 2 = 10
3^3 + 2 = 30
4^3 + 4 = 68
nxt
5^3 + 5 = 130
so, 113 + 130 = 243 :)
-----------------------------------------------
4.
7,4.5,5.5,12,49,?
7
7*0.5 + 1 = 4.5
4.5 * 1 + 1 = 5.5
5.5*2 + 1 = 12
12*4 + 1 = 49
49*8 + 1 = 393 :)
---------------------------------------------
5.
3240,540,108,27,?,4.5
3240
3240/6 = 540
540/5 = 108
108/4 = 27
27/3 = 9 :)
9/2 = 4.5

Number Series Questions Asked in IBPS P Prelims 2017 - 07th October 2017 - First Shift

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