The missing letters in the series ab _ _ a _ _ b _ _ cb are:

What should come in place of (?) in the given letter series? ACE, FGH, ?, PON

The next term of the following letter series will be : CAE, HFJ, MKO, RPT, ….

Find the missing term: L3T, ?, F8P, C12N

In the series of letters given below, which option will come in the place of question mark (?)? BXF, DVI, FTL, HRO, ?

If the letters of the word “PRODUCT” are arranged alphabetically, then which letter would be last letter of word?