General Studies · Coding-Decoding

A group of numbers/symbols is coded using letter codes as per the table and conditions below: NUMBER/SYMBOL: 7, $, 8, 6, &, #, 3, +, 5, 4, 2, 9, @, * CODE: A, E, R, T, H, U, K, L, P, Z, C, V, N, Q Conditions: (i) If the first element is a symbol and the last a number, their codes are interchanged. (ii) If the first element is an odd number and the last an even number, both are coded as ©. (iii) If both second and third elements are perfect squares, the third element is coded as the code for the second element. What is the code for: 7 4 9 @ $ ?