# Quantitative Aptitude: Number Series 51 (based on OICL AO Prelims)

Number Series asked OICL AO Prelim 7 October 2017

These questions are based on Number Series asked in OICL AO Prelims â€“ Shift 1.Â Number Series asked OICL AO Prelim 22 October 2017.

1-5 were asked in 1st shift, 6-10 are based on them

1. 9, 6.5, 8.5, 19, 78, ?
A) 782
B) 372
C) 278
D) 534
E) 626
Â  Option E
Pattern
:
9*0.5 + 2 = 6.5
6.5*1 + 2 = 8.5
8.5*2 + 2 = 19
19*4 + 2 = 78
78*8 + 2 = 626
2. 3, 4, 10, 33, 136, ?
A) 685
B) 378
C) 652
D) 544
E) 428
Â  Option A
Pattern
:
*1 + 1, *2 + 2, *3+ 3,……
3. 4, 7, 12, 21, 38, ?
A) 65
B) 71
C) 87
D) 82
E) 76
Â  Option B
Pattern
:
*2 – 1, *2 – 2, *2 – 3, *2 – 4, *2 – 5
4. 19.2, 22.6, 15.8, 29.4, 2.2, ?
A) 59.4
B) 54.2
C) 49.2
D) 45.8
E) 56.6
Â  Option E
Pattern
:
19.2 + 3.4 = 22.6
22.6 – (3.4 + 3.4) = 15.8
15.8 + (6.8 + 6.8) = 29.4
29.4 – (13.6 + 13.6) = 2.2
2.2 + (27.2 + 27.2) = 56.6
5. 106, 110, 94, 130, ?, 166
A) 54
B) 34
C) 66
D) 48
E) 42
Â  Option C
Pattern
:
+4, -16, +36, -64, + 100
6. 6, 4, 6, 16, 62, ?
A) 308
B) 276
C) 198
D) 236
E) 354
Â  Option A
Pattern
:
*1 – 2, *2 – 2, *3 – 2, *4 – 2, *5 – 2
7. 18, 21, 16, 25, 10, ?
A) 47
B) 45
C) 29
D) 38
E) 33
Â  Option E
Pattern
:
……+3………..-5……..+9……..-15……….+23
…………..+2………+4………+6………+8
8. 14, 13, 24, 69, ?, 1355
A) 266
B) 309
C) 354
D) 272
E) 239
Â  Option D
Pattern
:
*1 – 1, *2 – 2, *3 – 3,……
9. 10, 4, 3, 5, 19, ?
A) 102
B) 151
C) 98
D) 91
E) 126
Â  Option B
Pattern
:
*0.5 – 1, *1 – 1,Â  *2 – 1, *4 – 1, *8 – 1
10. 35, 36, 27, 52, 3, ?
A) 72
B) 63
C) 57
D) 84
E) 76
Â  Option D
Pattern
:
+1, -9, +25, -49, + 81

Click here for number Series asked in IBPS PO Prelims

Memory Based Questions asked in RRB Assistant Prelims on 24th September 2017

Click here for Memory Based Questions asked in RRB Assistant Prelims on 16th September 2017

Click here for New Pattern Questions for RRB PO Mains

Click here for SBI PO 2017 Memory Based Questions

Click here for Number Series Questions – Memory Based NICL AO, SBI PO

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