Chapter-1⇒Number Series

1. Find the missing number
3,6, 6, 12, 9, ?, 12

 
 
 
 

2. 0, 3, 8, 15, 24, ___

 
 
 
 

3. Find the missing number.
1, 2, 6, 21, ?

 
 
 
 

4. 1, 2, 3, 5, 7, ?

 
 
 
 

5. 5, 9, 17, 33, ?, 129

 
 
 
 

6. In the following series, identify the term which does not fit in the series.
5, 10, 20, 40, 55, 80

 
 
 
 

7. 3, 7, 13, 21, 31, ?

 
 
 
 

8. 7, 9, 13, 21,__

 
 
 
 

9. In the following series, identify the term which does not fit in the series.
4, 9, 25, 81, 144, 289

 
 
 
 

10. Find the missing number (?) in the following sequences :
66, 36, 18, ?

 
 
 
 

Question 1 of 10