In a certain code language, 'SHIRT' is coded as '59', 'WATCH' is coded as '78'. How will 'RING' be coded in that code language?
58
Give each letter its position from the END of the alphabet, i.e. the reverse value = 27 − (normal position), where A = 26, B = 25, ..., Z = 1.
The code equals the sum of these reverse values of all letters, and then 2 is subtracted from that sum.
For SHIRT: reverse values S = 8, H = 19, I = 18, R = 9, T = 7; sum = 8 + 19 + 18 + 9 + 7 = 61, and 61 − 2 = 59, which matches the given code.
For WATCH: reverse values W = 4, A = 26, T = 7, C = 24, H = 19; sum = 4 + 26 + 7 + 24 + 19 = 80, and 80 − 2 = 78, which again matches.
Now apply the same rule to RING: reverse values R = 9, I = 18, N = 13, G = 20.
Sum of reverse values = 9 + 18 + 13 + 20 = 60.
Subtract 2: \(60 - 2 = 58\).
Hence RING is coded as 58.
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