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Number Series Questions Asked in Previous IBPS PO Pre Exams PDF

Number Series Questions for IBPS PO : Hello Aspirants, as we know that IBPS is going to conduct IBPS Prelims exam soon. So you must be looking forward to see the previous year number series questions that are asked in IBPS prelims exams. Below we are providing all the number series questions with solutions that are asked in IBPS PO Pre exams previously.

Number Series Questions Asked in IBPS PO Prelims – Slot 1 (7th October 2017)

1)      17, 98, 26,89,35, (80)

(17 + 9 =26, 26 + 9 =35, 98-9 =89, 89-9 =80)

2)      2,17,89,359,1079, 2159

(2*6+5 , 17*5+4, 89*4+3, 359*3+2, 1079*2+1)

3)      3,5,15,45,113, 243

(13+1, 23+2,33+3,43+4,53+5)

4)      7,4.5,5.5,12,49,393

(7*0.5+1, 4.5*1+1, 5.5*2+1, 12*4+1, 49*8+1)

5)      3240, 540, 108,27,9,4.5

(3240/6, 540/5, 108/4, 27/3,9/2)

Number Series Questions Asked in IBPS PO Prelims – Slot 2 (7th October 2017)

1) 3, 5, 13, 43, 177, ?

Logic: *1+2, *2+3, *3+4, *4+5, *5+6

2) 9, 3.5, 2.5, 4, 15, ?

Logic: *0.5-1, *1-1, *2-1, *4-1

3) 7, 7, 13, 37, 97, ?

Logic: Difference 13-1, 23-2, 33-3, 43-4

4) 3.25, 6.5, 19.5, 78, 390, ?

Logic: ×2, ×3, ×4, ×5

5) 68, 117, 61, 124, 54, ?

Double difference: 7, 7

Number Series Questions Asked in IBPS PO Prelims – Slot 1 (8th October 2017)

1) 1, 20, 58, 134, 286, ?

Logic: ×2+18, ×2+18, ×2+18

2) 8, 7, 13, 38, 151, ?

Logic: ×1-1, ×2-1, ×3-1, ×4-1

3) 32, ?, 1024, 2048, 2048

Logic: ×8, ×4, ×2, ×1

4) 9, 5, 6, 10.5, 23, ?

Logic: ×0.5+0.5, ×1+1. ×1.5+1.5, ×2+2

5) 18, 20, 26, 38, 58, 88

Logic: Difference of Difference- 4, 6, 8, 10

Number Series Questions Asked in IBPS PO Prelims – Slot 2 (8th October 2017)

1) 104, 102, 96, 84, ? 34

Logic: Difference of Difference- 4, 6, 8, 10

2) 6, 280, 410, 468, 490, ?

Logic: Difference of Difference- 144, 72, 36, 18

3) 11, 5, 4, 4.5, 7, ?

Logic: ×0.5-0.5, ×1-1, ×1.5-1.5, ×2-2

4) 3072, 192, 24, 6, ?, 3

Logic: ÷16, ÷8, ÷4, ÷2

5) 3, 4, 9, 28, 113, ?

Logic: ×1+1, ×2+1, ×3+1, ×4+1

Number Series Questions Asked in IBPS PO Prelims Exam – 2016

1) 3, 10, 21, 40, 71, ?

2) 13, 14, 30, 93, ?

3) 9, 11,16, 33,  98, ?

4) 8, 14, 25, 46, 82, ?

5) 65, 70, 63, 74, 61, ?

6) 14, 8, 7, 11.5, 22, ?

7) 4, 9, 20, 43, 84 , ?

8) 11, 12, 26, 81, ?

9) 11, 13, 18, 35, 100, ?

10) 48, 53, 46, 57, 44, ?

11) 12, 7, 6, 10, 19, ?

12) 7, 14, 30, 56, 93, ?

13) 69, 74, 67, 78, 65, ?

14) 8, 5, 4, 7, 13,  ?

15) 14, 15, 32, 99, ? , 2005

16) 13, 15, 20, 37, 102 , ?

17) 6, 4, 3, 5.5, 10, ?

18) 108, 115, 104, 117, 100, ?

19) 16, 17, 36, 111, ?

20) 13, 17, 33, 97, ?

Solutions Of Above Series :-

1. Diff of diff multiples of 7

2. x1+1, x2+2, x3+3…

3. Diff of diff multiples of 4

4. Diff of Diff 5, 10, 15….

5. +5,-7, +11,-13,+17…

6. x0.5+1, x1-1, x1.5+1…..

7. Diff of diff +6,+12,+18,+24

4+5=9

9+11=20

20+23=43

43+41=84

85+65=149

8.  x1+1, x2+2…

9. 1^2+1, 2^2+1,4^2+1…

10. 5, 7, 11, 13, 17 .. (diff of diff 2, 4, 2, )

11. x.5+1, x1-1, x1.5+1….

12. Difference of difference Increased by  1 (9, 10, 11, 12..)

13. Prime no diff = 82

14. .5+1, 1-1, 1.5+1,…=

15. x1+1, x2+2, …. =

16. 1^2+1, 2^2+1, 3^2+1… =

17.  x0.5+1, x1-1. X1.5+1, x2-1.. = 26

18. +7, -11, +13, -17, +19..  = 119

19. X1+1, x2+2 ….. = 448

20. 22 , 42, 82. =

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