Number Series Questions for SBI PO, Syndicate Bank PO and Canara Bank PO 2018 Set-4

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Direction (Q.1-5): What will come in place of the question mark (?) in the following number series?

 

Q.1 132, ?, 336, 120, 24, 0

(A) 616

(B) 720

(C) 525

(D) 728

(E) 632

 

Q.2 441, 433, 410, 364, ?, 171

(A) 326

(B) 359

(C) 295

(D) 287

(E) None of these

 

Q.3 0.5, 4, 20, 86, 352, ?

(A) 1418

(B) 1620

(C) 1515

(D) 1502

(E) None of these

 

Q.4 8, 40, 65, 325, 350, ?

(A) 1840

(B) 1645

(C) 1756

(D) 1780

(E) None of these

 

Q.5 1612, ?, 588, 1540, 1348, 388

(A) 1604

(B) 1536

(C) 1454

(D) 1645

(E) None of these

 

Answer 1. (B) 720

Explanation:

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Pattern Series
(11)3 − 11 1320
(9)3 − 9 720 (✓)
(7)3 − 7 336
(5)3 − 5 120
(3)3 − 3 24
(1)3 − 1 0

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Answer 2. (D) 287

Explanation:

[su_table responsive=”yes” class=”code”]

Series Pattern
441 441
441 − (32 − 1) 433
433 − (52 − 2) 410
410 − (72 − 3) 364
364 − (92 − 4) 287 (✓)
287 − (112 − 5) 171 

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Answer 3. (A) 1418

Explanation:

[su_table responsive=”yes” class=”code”]

Pattern Series
0.5 0.5
 0.5 × 4 + 2 4
4 × 4 + 4 20
20 × 4 + 6 86
86 × 4 + 8 352
352 × 4 + 10 1418 (✓)

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Answer 4. (E) None of these

Explanation:

[su_table responsive=”yes” class=”code”]

Series Pattern
8 8
8 × 5 40
40 + 25 65
65 × 5 325
325 + 25 350
350 × 5 1750 (✓)

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Answer 5. (A) 1604

Explanation:

[su_table responsive=”yes” class=”code”]

Series : 1612 1604 1588 1540 1348 388
Pattern : 8 16 48 192 960
× 2 × 3 × 4 × 5

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