What is Number Series?

Number series is a sequence or orderly arrangement  formed with numbers. Number Series is the one of the most important topic of Mathematics. In the number series questions, the series are based on sequences of numbers that follow a logical pattern based on basic arithmetic concepts and we have to detect that concept then predict the next number in the sequence by following the same logic.

Number Series Reasoning Questions With Answers

Q1) 3 2 2 5 5 5 7 8 8 9 11 11 ?

A) 12

B) 11

C) 9

D) 14

Solution :

Q2) 7 9 8 6 10 9 5 11 10 ? 12

A) 4

B) 11

C) 56

D) 5

Solution :

Q3) 1 3 2 6 3 11 4 18 5 ?

A) 27

B) 25

C) 23

D) 29

Solution :

Q4) 13 17 23 29 31 37 ??

A) 22

B) 41

C) 19

D) 23

Solution :

Q5) Look at this series: 2, 1, (1/2), (1/4), ... What number should come next? 

A) (1/3) 

B) (1/8) 

C) (2/8) 

D) (1/16) 

Solution :

Q6) 26, 12, 10, 16, ? 

A) 50

B) 52

C) 53

D) 56

Solution :

Q7) Look carefully for the pattern, and then choose which pair of numbers comes next. 

        2 44 4 41 6 38 8 

A) 10 12 

B) 35 32 

C) 34 9 

D) 35 10 

Solution :

Q8) What should come in place of the question mark '?' in the following number series? 

       2916, 972, ?, 108, 36, 12 

A) 324 

B) 234 

C) 248 

D) 391 

Solution :

Q9) 4, 6, 9, 13, 

A) 15

B) 12

C) 18

D) 17

Solution :

Q10) 210 209 213 186 202 (?) 

A) 138

B) 77

C) 177

D) 327

Solution :

 Other Logical Reasoning Related Questions