Solution:The pattern followed here is :B _ KPBN _ R _ OKTB _ KVBQK _
MKBPX โ BMKP / BNKR / BOKT / BPKV / BQKX
The 1st and 3rd letters are not changing. The 2nd letter is increasing by 1, and the 4th letter is increasing by 2.
Hence, "MKBPX" is the correct answer.