Discussion
If ‘R’ stands for ‘–‘, ‘A’ stands for ‘+’, ‘B’ stands for ‘÷’ and ‘C’ stands for ‘×’, then what is the value of the given equation ?
25 A 12 C 2 B 4 R 1 = ?
Answer: C
Correct answer: 30
Substituting gives \[ 25 + 12 \times 2 \div 4 - 1. \] The multiplication and division are taken first, left to right: \( 12\times2 = 24 \), \( 24\div4 = 6 \). Then \( 25 + 6 - 1 = 30 \).
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