General Studies · Mathematical Operations

Select the number that will come in place of the question mark (?) if '+' and '−' are interchanged, and '×' and '÷' are interchanged. 63 × 7 ÷ 13 − 64 + 42 = ?

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Select the number that will come in place of the question mark (?) if '+' and '&minus;' are interchanged, and '&times;' and '&divide;' are interchanged. 63 &times; 7 &divide; 13 &minus; 64 + 42 = ?