Select the option that is related to the fifth term in the same way as the second term is related to the first term and fourth term is related to third term.

GRAPES : SAREPG :: VERBAL : LREABV :: NUMBER : ?

RMUEBN

1   2    3    4   5    6   7     8    9  10  11  12  13

 A   B   C    D   E    F   G    H    I    J    K    L   M

 ↓    ↓    ↓    ↓    ↓     ↓   ↓    ↓     ↓   ↓    ↓    ↓    ↓

 Z   Y    X   W   V    U   T    S    R   Q   P    O   N

26  25  24  23  22  21  20  19  18  17  16  15  14

GRAPES : SAREPG :: VERBAL : LREABV :: NUMBER : ?

THE LOGIC FOLLOWED HERE IS;

Thus, RMUEBN is correct.