VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 8 : In a shift-code, the letters of the alphabet are replaced by the numbers 1 to 26 starting at some letters. An example is : A = 25, B = 26, C = 1, D = 2, E = 3, F = 4, G = 5, H = 6, I = 7, J = 8, K = 9, L = 10, M = 11, N = 12, O = 13, P = 14, Q = 15, R = 16, S = 17, T = 18, U = 19,V = 20, W = 21, X = 22, Y = 23, Z = 24. In another shift-code, the sum of the numbers representing A, B and C is 42. What is the sum of the numbers which represent the letters of the word MARS using this code?
Answer Posted / kangchuentat
VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – ANSWER 8 : 47. A + B + C = A + (A + 1) + (A + 2) = 42, A = 13. Then M = 25, A = 13, R = 4, S = 5. M + A + R + S = 25 + 13 + 4 + 5 = 47.
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