Study the following arrangement carefully and answer the questions given below : M 5 R 3 I 8 D % J 2 E P O N L 9 F Q A 4 W @ T © 6 U Z $ 7 H What should come in place of the question mark (?) in the following series based on the above arrangement? 531, DJ2, PNL, ? 1) FA4 2) FAW 3) FQ4 4) FA@ 5) None of these