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Mathematical Operations
Q1.
What will come in place of the question mark (?) in the following equation if '+' and '-' are interchanged and 'x' and '÷' are interchanged? $1125\times45\div39-17+19=?$
Q2.
What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and 'x' and '÷' are interchanged? $38\div21+436\times4-73=?$
Q3.
If '+' means '-', '-' means 'x', 'x' means '÷' and '÷' means '+', then what will come in place of the question mark (?) in the following equation? $32\div14+16-8\times4=?$