Question
Download Solution PDFदो संख्याओं 20 और 36 को आपस में बदलने पर निम्नलिखित में से कौन- सा समीकरण सही होगा?
I. 55 + 42 – 36 × 20 ÷ 9 = 17
II. 20 ÷ 2 × 36 + 81 – 41 = 400
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFBODMAS (बोडमास) तालिका निम्नलिखित है:
दिया गया समीकरण I: 55 + 42 – 36 × 20 ÷ 9 = 17
अब, यदि '20 और 36' को परस्पर परिवर्तित कर देते हैं, तो:
⇒ 55 + 42 – 20 × 36 ÷ 9 = 17
⇒ 55 + 42 – 20 × 4 = 17
⇒ 55 + 42 – 80 = 17
⇒ 97 – 80 = 17
= 17 = 17
बायाँ पक्ष = दायाँ पक्ष
दिया गया समीकरण II: 20 ÷ 2 × 36 + 81 – 41 = 400
अब, यदि '20 और 36' को परस्पर परिवर्तित कर देते हैं, तो:
⇒ 36 ÷ 2 × 20 + 81 – 41 = 400
⇒ 18 × 20 + 81 – 41 = 400
⇒ 360 + 81 – 41 = 400
⇒ 441 – 41 = 400
= 400 = 400
बायाँ पक्ष = दायाँ पक्ष
यहाँ, दिए गए चिह्नों के परस्पर परिवर्तन के बाद I और II दोनों ही समीकरण सही हैं।
अतः सही उत्तर "विकल्प 3" है।
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