What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged? यदि ‘+’ और ‘−’ को आपस में बदल दिया जाए तथा ‘×’ और ‘÷’ को आपस में बदल दिया जाए, तो निम्नलिखित समीकरण में ‘?’ के स्थान पर क्या आएगा? 25 […]