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 ÷ 2 + 12 × 4 − 7 = ? + 13