if + means X, X means -, ÷means + and - means ÷ then which of the following gives the result of 175−25÷5÷20×3+10?
A
77
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B
160
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C
240
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D
2370
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Solution
The correct option is A 77 Using the proper signs in the given expression we get 175÷5×20−3×10=7+5×20−3×10175÷5×20−3×10=7+5×20−3×10 =7+100−30=107−30=77