Number Series Questions for Bank Exams

Number series is an important is an important chapter from Banking exam point of view. Before solving these questions, read techniques to solve Number series here.
Q1. What comes in the place of question mark in this series 5, 10, 15, 20, ?

a) 22

b) 25

c) 23

d) None of These

 

Hint - In series each number increases by 5.

Q2. What comes in the place of question mark in this series 4, 5, 7, 10, 14, 19, ?

a) 26

b) 25

c) 24

d) None of These

  

Hint - Use pattern like first of all  add 1, then add 2, then add 3 and so on

Q3. What comes in the place of question mark in this series 47, 42, 37, 32, 27, ?

a)  22

b)  23 

c) 25

d) None of These

  

Hint -  In series each number decreases by 5.

Q4. What comes in the place of question mark in this series 27, 26, 24, 21, 17, 12, ?

a)  11

b)  6

c) 8

d) None of These

  

Hint - Use pattern   -1, then -2, then -3, then -4 and so on.

Q5. What comes in the place of question mark in this series 2, 6, 18 , ?  , 162

a) 54

b) 55

c) 44

d) None of These

  

Hint - In series all numbers are multiplied by 3.

Q6. What comes in the place of question mark in this series 168, 84,  ?  , 21

a) 42

b) 52

c) 44

d) None of These

  

Hint - In series all numbers are divided by 2.

Q7. What comes in the place of question mark in this series 7, 35, 140,  ? , 840

a) 420

b) 430

c) 520

d) None of These

  

Hint - Use pattern *5, *4, *3, *2              (*symbol denotes Multiplication)

Q8. What comes in the place of question mark in this series  4, ? , 19 , 39, 79  

a) 11

b)  9

c)  8

d) None of These

  

Hint - Use Pattern *2+1.

Q9. What comes in the place of question mark in this series  3, 6, 15, ? , 195, 978

a) 60

b) 45

c)  48

d) None of These

  

Hint - Use Pattern *1+3, *2+3, *3+3, *4+3, *5+3 

Q10. What comes in the place of question mark in this series  9, 15, 27,  ?  ,  99 

a) 52

b) 51

c) 54

d) None of These

  

Hint - Use Pattern *2-3

Q11. What comes in the place of question mark in this series 10, 30, 15, 45,  ?  , 67.5

a) 22.5

b) 26.5

c) 60

d) None of These

  

Hint - Use Pattern  *3, /2, *3, /2, *3, /2

Q12. What comes in the place of question mark in this series 64, 125, 216,  ? , 512

a) 260

b) 321

c) 343

d) None of These

  

Hint - Use Pattern  (4)3 , (5)3,  (6)3,  (7)3,  (8)3,  (9)3,

Q13. What comes in the place of question mark in this series 4, 5, 9,  ? , 34, 59

a)  15

b)  18

c)  25

d) None of These

  

Hint - Use Pattern      + 1², + 2² , +3² , +4² , +5²

Q14. What comes in the place of question mark in this series 5, ?  , 14, 41, 105, 230

a)  6

b)  5

c)  7

d) None of These

  

Hint - Use Pattern   +13 ,  +23  ,  +33  ,  +43  ,   +53

Q15. What comes in the place of question mark in this series  49, 64,  ?  , 100, 121, 144

a) 76

b) 132

c) 81 

d) None of These

  

Hint - Use Pattern   7²,  8² , 9² , 10² , 11² ,  12²