Some letters which are numbered are given. Find the combination of numbers so that letters are arranged accordingly to form a meaningful word.
L---A---B---K---C
1----2----3----4----5
(IMO 2015)
A2, 3, 1, 5, 4
B4, 1, 2, 3, 5
C1, 2, 3, 4, 5
D3, 1, 2, 5, 4
Brainy question !!!!!