Which letter will replace the question mark (?) in the following series?
FLO ,H?Q, JPS, LRU
In each cluster, the place value of the letter is added by 2 to obtain the next one.
FLO ==>Â (F+2) (L+2)Â (O+2) ==> HNQ
HNQ ==>Â (H+2)Â (N+2)Â (Q+2) ==> JPS
JPS ==>Â (J+2)Â (P+2)Â (S+2) ==> LRU
Here 'N' will come in place of the question mark.
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