Number Series Questions for Canara Bank Po 2018 Set-2

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

 

Q.1 8640, ?, 2160, 240, 15, 0.6

(A) 8640

(B) 8460

(C) 6840

(D) 4680

(E) 4068

 

Q.2 12512, 5792, 4832, 4672, ?, 4632

(A) 3620

(B) 3850

(C) 4250

(D) 4640

(E) None of these

 

Q.3 4, 8, 15, 28, 53, ?

(A) 96

(B) 105

(C) 88

(D) 121

(E) None of these

 

Q.4 10, 4, 2, 0, -8, ?

(A) 80

(B) − 80

(C) − 20

(D) − 50

(E) 50

 

Q.5 16, 21, 26, 46, ?, 3106

(A) 136

(B) 196

(C) 226

(D) 262

(E) 362

 

Answer 1. (A) 8640

Explanation:

Pattern Series
8640 8640
8640 ÷ 12 8640 (✓)
8640 ÷ 22 2160
2160 ÷ 32 240
240 ÷ 42 15
15 ÷ 52 0.6

Answer 2. (D) 4640

Explanation:

Series : 12512 5792 4832 4672 4640 4632
Pattern : 6720 960 160 32 8
÷ 7 ÷ 6 ÷  5 ÷ 4

Answer 3. (E) None of these

Explanation:

Pattern Series
4 4
4 × 2 − 0 8
8 × 2 − 1 15
15 × 2 − 2 28
28 × 2 − 3 53
53 × 2 − 4 102 (✓)

Answer 4. (B) − 80

Explanation:

Pattern Series
10 10
10 × 0.5 − 1 4
4 × 1 − 2 2
2 × 2 − 4 0
0 × 4 − 8 − 8
− 8 × 8 − 16 − 80 (✓)

Answer 5. (C) 226

Explanation:

Series : 16 21 26 46 226 3106
Pattern : 5 5 20 180 2880
×12 ×22 ×32 ×42

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