Quant Number Series SBI PO | NIACL | NICL | IBPS PO

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

2, 7, 29, 109, 319, ?
A) 724
B) 704
C) 629
D) 835
E) 853

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Option C
Pattern:
2 × 6 – 5 = 7,
7 × 5 – 6 = 29,
29 × 4 – 7 = 109,
109 × 3 – 8 = 319,
319 × 2 – 9 = 629
729, 243, 162, 162, 216, ?
A) 555
B) 456
C) 782
D) 360
E) 685

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Option D
Pattern:
× 1/3, × 2/3, × 3/3, × 4/3, × 5/3
216, 95, 176, 127, 152, ?
A) 112
B) 101
C) 143
D) 120
E) 132

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Option C
Pattern:
-11², + 9², -7², +5², -3²
3, 3, 7, 25, 73, ?
A) 155
B) 173
C) 135
D) 196
E) 185

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Option B
Pattern:
3 + (1² * 0) = 3
3 + (2² * 1) = 7
7 + (3² * 2) = 25
25 + (4² * 3) = 73
73 + (5² * 4) = 173
16, 20, 39, 83, ?, 286
A) 195
B) 190
C) 140
D) 158
E) 162

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Option E
Pattern:
16………. 20……….. 39…………. 83………. 162……….. 286
. +4 +19 +44 +79 +124
. +15 +25 +35 +45
16, 20, 34, 28, 52, ?
A) 36
B) 45
C) 67
D) 84
E) 72

View Answer
Option A
Pattern:
16………. 20……….. 34…………. 28………. 52……….. 36
. +4 +14 -6 +24 -16
. +10 -20 +30 -40
26, 20, 37, 29, 48, 38, ?
A) 62
B) 59
C) 71
D) 54
E) 75

View Answer
Option B
Pattern:
Two series
26 + 11 = 37, 37+11 = 48, 48+11 = 59
20+9 = 29, 29+9 = 38
33, 37, 28, 44, 19, ?
A) 66
B) 59
C) 34
D) 42
E) 55

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Option E
Pattern:
+2², -3², +4², -5², +6²
8, 20, 56, 164, 488, ?
A) 1387
B) 1345
C) 1460
D) 1430
E) 1428

View Answer
Option C
Pattern:
*3 – 4, *3 – 4, *3 – 4, *3 – 4, *3 – 4
4, 10, 14, 48, 186, ?
A) 570
B) 688
C) 753
D) 862
E) 936

View Answer
Option E
Pattern:
4 × 1 + 6 = 10,
10 × 2 – 6 = 14,
14 × 3 + 6 = 48,
48 × 4 – 6 = 186,
186 × 5 + 6 = 936