If "+" means "×; "÷" means "-"; "×" means "÷" and "-" means "+", what will be the value of the following expression? 4+11÷5−50=?
A
79
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B
-11
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C
91
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D
-48.5
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E
None of these
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Solution
The correct option is B None of these We have,
4 + 11 ÷ 5 - 50 Now, it is given that, "+" means "; "" means "-"; "" means "" and "-" means "+". Therefore, 4 × 11 - 5 + 50 = 44 - 5 + 50 = 89 Hence, option (E) is the correct answer.