deleting the ?

I have these dats in excel sheet

1  w  e  ?  6 a b 
3  ?  u  21 2 d f  
4  t  ?  25 ? o p

like these i have 3200X13 values

i want to read these and display,

then w,t must be repaces by .1,.3,.5,.7.........(since i have many values)

3rd column e,u must be replaced by,,0.2,0.4,0.6,0.8,1.0,,,,,,,,,

like these i want to replace for all columns(the values for variables is not constant,it must be given by user)

then the ? must be deleted,plz help

[Andrei Bobrov]

please write needed result in array

[kash]

Anrei i have uploaded my input file for your reference,in that i want to delete the ?(question mark),then strings must be repalced my anumeric value ,the numeric values is not constant,u have answered in my previous post ,but my dataset is not displaying fully

http://www.sendspace.com/file/uqgdc7

[Andrei Bobrov]

please write needed result from

1 w e ? 6 a b

3 ? u 21 2 d f

4 t ? 25 ? o p

[kash]

sorry andrei a small mistake ,the ? rows must be deleted,considering i dont have ? in third row

4 .2 25 5 .9 1.2(considering no question marks )