List of top Logical Reasoning Questions on Number Series asked in CMAT

In the following number series, only one number is wrong, find out the wrong number 888, 454, 237, 128.5, 76.25, 47.125

Find the next term in the series XRF, UTI, RVM____________

Find the odd one among the following :

Complete the series 564, 152, 48, 21,_? from the following options :

Complete the sequence: 24, __, 48, 63

Complete the sequence:
30, 56, 90,___, 182, 240

Find the missing number in the given series:
8, 13, 10, 15, 12,_____

Find the wrong number in this sequence:
72, 70, 67, 65, 58, 52, 45

Three out of four are alike in a particular pattern and hence form a group. Find which does not belong to the group
2835, 5671, 8505, 11344

What comes next?
3, 12, 27, 48, 75, 108, ?

 Akshay and Ajay are friends studying in same class. Ajay could not score as much marks as Akshay scored and hence Ajay's father took Ajay into task. Ajay replied that there are so many like me in the class. Based on the information findout the answer to the question : Akshay ranks 13th in the class where 33 students are studying. There are 5 students below Ajay rankwise.How many students are there between Akshay and Ajay?