# Quants Number Series Asked in SBI PO prelims 2017

These questions are based on Number Series asked in SBI PO Prelims-Day 2 – Shift 1. Practice them as questions based on similar logic may be asked in the next coming shifts. Quants Number Series Asked in SBI PO prelims 2017

Click here to download theÂ SBI PO Prelims 2017: Memory Based Paper â€“ English with Solutions

Click here to download theÂ SBI PO Prelims 2017: Memory Based Paper â€“ Reasoning with Solutions

Click here to download theÂ SBI PO Prelims 2017: Memory Based Paper â€“ QuantÂ with Solutions

Directions: What will come in place of (?) in following series following aÂ certain pattern?

1) 9, 8, 14, 39, ? , 755
A) 123
B) 143
C) 142
D) 153
E) 152

Â  Option E
Explanation
: *1 -1, *2-2, *3-3, *4-4,*5-5

2) 25, 32, 21, 34, 17, ?
A) 33
B) 34
C) 35
D) 36
E) 37

Â  Option D
Explanation
:
25,,,,,,,,,,,,, 32,,,,,,,,,,, 21,,,,,,,,,, 34,,,,,,,,,, 17,,,,,,,,,,, ?
,,,,,,,,,+7,,,,,,,,,,,-11,,,,,,,,,+13,,,,,,,-17,,,,,,,(+19)
,,,,,,,,,,,,,,,,,,4,,,,,,,,,,,,,2,,,,,,,,,,,,4,,,,,,,,,,,,,(2)
required number=17+19=36
Â

3) 11, 6, 7, 12, ? , 67.5
A) 25
B) 26
C) 28
D) 27
E) 24

Â  Option B
Explanation
: *0.5 + 0.5,*1+1,*1.5+1.5

4) 4, 7, 35, 83, 146, ?
A) 189
B) 213
C) 219
D) 223
E) 267

Â  Option C
Explanation
: Difference of Difference
4,,,,,,,,,, 7,,,,,,,,,, 35,,,,,,,,,,,, 83,,,,,,,,,, 146,,,,,,,,,,, ?
,,,,,,3,,,,,,,,28,,,,,,,,,,,,,,48,,,,,,,,,,,,63,,,,,,,,,,,,,(73)
,,,,,,,,,,25,,,,,,,,,,,20,,,,,,,,,,,,,,15,,,,,,,,,,(10)
required number=73+146=219

5) 521, 496, 447, ?, 245
A) 345
B) 351
C) 312
D) 366
E) 356

Â  Option D
Explanation
: -52, -72, -92, -112

6) 8, 15, 44, 175, 874, ?
A) 4571
B) 4574
C) 4478
D) 5187
E) 5243

Â  Option E
Explanation
: *2-1, *3-1, *4-1, *5-1, *6-1

7) 29, 36, 25, 40, 21, ?
A) 41
B) -2
C) 43
D) 44
E) 49

Â  Option D
Explanation
: +7,-11,+15,-19,+23

8) 11, 15, 29, 58, 107, ?
A) 147
B) 156
C) 170
D) 181
E) 119

Â  Option D
Explanation
:
11,,,,,,,, 15,,,,,,,,,, 29,,,,,,,,,, 58,,,,,,,,,,, 107,,,,,,,,,,,, (181)
,,,,,,,4,,,,,,,,,,,14,,,,,,,,,,,29,,,,,,,,,,49,,,,,,,,,,,,,,,(74)
,,,,,,,,,,,,10,,,,,,,,,,,15,,,,,,,,,,20,,,,,,,,,,,,,,(25)

9) 13, 7, 8, 13.5, ?, 75
A) 26
B) 27
C) 28
D) 29
E) 30

Â  Option D
Explanation
: *0.5+0.5, *1+1,*1.5 +1.5

10) 671, 663, 636, 572, 447, ?
A) 261
B) 216
C) 231
D) 312
E) 311

Â  Option C
Explanation
:
-23, -33, -43, -53, -63

## 10 Thoughts to “Quantitative Aptitude: Number Series Set 21 (based on SBI PO prelims)”

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