Question
If ‘A’ means ‘+’, ‘B’ means ‘x’,
‘C’ means ‘÷’, and ‘D’ means ‘-’, then which of the following equation(s) is/are correct ? I. 16 C 18 B 36 A 11 D 4 = 39 II. 49 B 76 C 19 A 13 D 47 = 162Solution
After replacing symbols with signs, I. 16 C 18 B 36 A 11 D 4 = 16 ÷ 18 x 36 + 11 - 4 = 16 * 36/18 + 7 = 16 * 2 + 7 = 32 + 7 = 39 = R.H.S. II. 49 B 76 C 19 A 13 D 47 = 49 x 76 ÷ 19 + 13 - 47 = 49 x 76/19 - 34 = 196 - 34 = 162 = R.H.S.
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