if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
यदि ‘+’ और ‘−’ को परस्पर बदल दिया जाए तथा ‘×’ और ‘÷’ को परस्पर बदल दिया जाए, तो निम्नलिखित समीकरण में प्रश्न-चिह्न (?) के स्थान पर क्या आएगा?
24 ÷ 19 + 84 × 7 − 127 = ?
Detailed Solution & Logic
Correct Answer:
571
दिए गए प्रश्न में चिन्ह बदलने हैं:
-
+ ↔ −
-
× ↔ ÷
मूल समीकरण:
24 ÷ 19 + 84 × 7 − 127
चिन्ह बदलने के बाद:
24 × 19 − 84 ÷ 7 + 127
अब BODMAS के अनुसार हल करें।
-
$24 \times 19 = 456$
-
$84 \div 7 = 12$
अब समीकरण:
456 − 12 + 127
456 - 12 = 444
444 + 127 = 571
✅ सही उत्तर: 571
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