Question
Download Solution PDFखालील समीकरणात कोणती दोन चिन्हे आणि दोन संख्यांची अदलाबदल करावी लागेल?
60 × 3 + 660 ÷ 6 – 20 = 290
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेली माहिती:
60 × 3 + 660 ÷ 6 – 20 = 290
गणना:
पर्याय पद्धतीनुसार:
पर्याय 1: 6 आणि 660, × आणि ÷ दोघांची अदलाबदल केल्यावर
⇒ 60 ÷ 3 + 6 x 660 – 20 = 290
⇒ 20 + 3960 - 20 = 290
⇒ 3960 ≠ 290
हे योग्य समीकरण नाही.
पर्याय 2: 20 आणि 6, + आणि - दोघांची अदलाबदल केल्यावर
⇒ 60 × 3 - 660 ÷ 20 + 6 = 290
⇒ 180 - 33 + 6 = 290
⇒ 153 ≠ 290
हे योग्य समीकरण नाही.
पर्याय 3: 20 आणि 60, + आणि × दोघांची अदलाबदल केल्यावर
⇒ 20 + 3 x 660 ÷ 6 – 60 = 290
⇒ 20 + 330 -60 = 290
⇒ 290 = 290
हे योग्य समीकरण आहे.
पर्याय 4: 20 आणि 660, + आणि ÷ दोघांची अदलाबदल केल्यावर
⇒ 60 × 3 ÷ 20 + 6 – 660 = 290
⇒ 9 + 6 - 660 = 290
⇒ -645 ≠ 290
हे योग्य समीकरण नाही.
म्हणून, योग्य उत्तर 'पर्याय 3' हे आहे.
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