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B
÷and×
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C
÷and+
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D
×and−
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Solution
The correct option is D×and− The given equation is: (27 - 8) ÷ 24 + 7 × 3 = 13 Change the symbols as given in each alternative. When the symbols × and - are interchanged, the equation becomes: 27×8÷24+7−3=13 LHS: 27×8÷24+7−3=9+7−3=13 Thus, LHS=RHS