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If A means +, B means тИТ, C means ├Ч, D means ├╖, then what will come in place of the question mark (?) in the following equation? 10┬аB┬а27┬аD┬а9┬аA┬а4┬аC┬а3=?
20
17
19
18
18
Substitute the symbols into the equation as per the given definitions first, then apply BODMAS rule strictly from left to right.
Substitute the symbols into the equation as per the given definitions first, then apply BODMAS rule strictly from left to right.
Step 1: Write down the given symbol replacements
A means +, B means -, C means x, and D means /.
Step 2: Substitute symbols into the given expression
The given expression is 10 B 27 D 9 A 4 C 3 = ? Substituting the letters gives: 10 - 27 / 9 + 4 x 3.
Step 3: Apply BODMAS rule (Division and Multiplication first)
First, perform division (27 / 9 = 3) and multiplication (4 x 3 = 12). The expression becomes: 10 - 3 + 12.
Step 4: Perform Addition and Subtraction from left to right
10 - 3 = 7, then 7 + 12 = 19.
A: 20 is incorrect because the calculation yields 19. B: 17 is incorrect due to arithmetic error. D: 18 is incorrect as the final result evaluates strictly to 19.
C is correct because substituting the given operators into the equation and applying BODMAS results in 19.
Always execute division and multiplication operations first before addition and subtraction when solving arithmetic coding equations.
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