Number Series for IBPS CWE PO - VI Prelim Exam (Set-2)

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

1. 59.76, 58.66, 56.46, 52.06,  ?, 25.66

a) 48.08

b) 46.53

c) 43.46

d) 43.26

e) None of these

2. 36, 157, 301, 470, ?, 891

a) 646

b) 695

c) 639

d) 669

e) None of these

3. 14, 70, 350, ?, 8750, 43750

a) 1570

b) 875

c) 1750

d) 785

e) None of these

4. 13, 13, 65, 585, 7605, 129285,?

a) 2456415

b) 2235675

c) 2980565

d) 2714985

e) 2197845

5. 1, 16, 81, 256, 625, 1296, ?

a) 4096

b) 2401

c) 1764

d) 3136

e) 6561

Answers:

1. d) The series is - 1.1, - 2.2, - 4.4, - 8.8, - 17.6

2. e) The series is: + 11², + 12², + 13², + 14², + 15²

3. c) The series is: x5, x5, x5 ……

4. d) The series is: x1, x5, x9, x13, x17, x21

5. b) The series is: 1⁴, 2⁴, 3², 4², 5⁴, 6⁴, 7⁴ (= 2401)

Thanks.