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If 'A' denotes '+', 'B' denotes '-', 'C' denotes '├Ч', and 'D' denotes '├╖', then calculate 10 C 5 A 20 D 4 B 6.
50
54
49
60
49
Apply the BODMAS rule strictly: perform division and multiplication first before addition and subtraction.
Expression: 10 C 5 A 20 D 4 B 6 where A = +, B = -, C = ├Ч,D=├╖
10├Ч5+20├╖4тИТ6=49
Apply the BODMAS rule strictly: perform division and multiplication first before addition and subtraction.
Failing to follow the BODMAS order of operations and performing operations sequentially from left to right.
Substitute Operators
Replace the letters with their respective arithmetic operators: A = +, B = -, C = ├Ч,D=├╖.
10├Ч5+20├╖4тИТ6
Perform Division
According to BODMAS, execute the division operation first: 20├╖4=5.
20├╖4=5
Perform Multiplication
Next, perform the multiplication: 10├Ч5=50.
10├Ч5=50
Perform Addition and Subtraction
Combine the results and compute from left to right: 50+5тИТ6=55тИТ6=49.
55тИТ6=49
C is correct because evaluating the given expression using the BODMAS rule results in 49.
Order of operations is fundamental in algebraic simplification, data interpretation, and quantitative reasoning puzzles.
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