Question
Download Solution PDFदी गई दो संख्याओं को आपस में बदलने पर निम्नलिखित में से कौन-सा समीकरण सही नहीं होगा?
5 तथा 9
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFप्रश्न के अनुसार, दी गई दो संख्याओं '5 तथा 9' को आपस में बदलने पर:
तो,
- विकल्प - (1) : 9 × 4 + 5 - 8 ÷ 2 = 25
5 × 4 + 9 - 8 ÷ 2 = 25
5 × 4 + 9 - 4 = 25
20 + 9 - 4 = 25
29 - 4 = 25
25 = 25 (बायाँ पक्ष = दायाँ पक्ष)
- विकल्प - (2) : 9 - 5 × 4 + 6 ÷ 3 = -30
5 - 9 × 4 + 6 ÷ 3 = -30
5 - 9 × 4 + 2 = -30
5 + 2 -36 = -30
7 - 36 = -30
-29 ≠ -30 (बायाँ पक्ष ≠ दायाँ पक्ष)
- विकल्प - (3) : 9 + 7 × 8 ÷ 4 - 5 = 10
5 + 7 × 8 ÷ 4 - 9 = 10
5 + 7 × 2 - 9 = 10
5 + 14 - 9 = 10
19 - 9 = 10
10 = 10 (बायाँ पक्ष = दायाँ पक्ष)
- विकल्प - (4) : 9 - 4 × 5 + 6 ÷ 2 = -28
5 - 4 × 9 + 6 ÷ 2 = -28
5 - 4 × 9 + 3 = -28
5 + 3 - 36 = -28
8 - 36 = -28
-28 = -28 (बायाँ पक्ष = दायाँ पक्ष)
Last updated on Jun 25, 2025
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