A is B's brother. C is A's mother. D is C's father. E is B's son. How is D related to E? MCQ with Answer and Explanation

Explanation:
Each letter is shifted 2 places forward. H+2=J, O+2=Q, R+2=T, S+2=U, E+2=G.

Explanation:
BEAT ER or BE ATER etc. Meaningful: BEAT and ER (not word), or BE and ATER no. Actually BEATER can be BEAT + ER no; or BE + ATER no. Common is 2: BEAT and ER is not, but perhaps AT and BEER no order preserved. Order preserved: possible BE, AT, ER. Three? But ER is not standard word in some. Standard answer often 2.

Explanation:
18 × 12 ÷ 4 + 5 − 6 = 18 × 3 + 5 − 6 = 54 + 5 − 6 = 53.