Question

The next letter chain: ARM, BSN, CTO,.....

• A. PUD
• B. DUP
• C. DPU
• D. UPD

Answer 1

Answer:

B. DUP

A+1=B R+1=S M+1=N B+1=C S+1=T N+1=O C+1=D T+1=U O+1=P