Identify the wrong number in the following number sequence

5,6,14,40,105,230,446

In an alphabetical sequence, if 'EFGH' is related to 'VUTS' then BCD is related to 

Thanya is older than Eric. Daya is older than Thanya. Eric is older than Days. If first two statements are true third statement is

A committee of five members is to be formed out of 3 trainees, 4 professors and 6 research associates. In how many different ways this can be done if the committee should have all the 4 professors and 1 research associate or all 3 trainees and 2 professors

Which element is fifth to the left of the element which is ninth from the left end of the fourth step ?

Which element is exactly between ‘38’ and ‘required’ in the second step of the given input ?