Select the term that will come next in the following series.
CAY, FDB, IGE, .........
The place value of each of the letter is added by three to obtain the next one.
CAY ==>Â (C+3) (A+3) (Y+3) ==> FDB
FDB ==>Â (F+3)Â (D+3)Â (B+3) ==> IGE
IGE ==>Â (I+3)Â (G+3)Â (E+3) ==> LJH
Hence 'LJH' will come in place of blank.
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