If DELHI is coded as 73541 and CALCUTTA as 82589662, how can CALL be…

According to the question,

code for D = 7, E = 3, L = 5, H = 4, I = 1

Also, C = 8, A = 2, L = 5, C = 8, U = 9, T = 6, T = 6, A = 2

So, the code for CALL = 8255.