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A number is decreased by 10% and then increased by 10%. The number so obtained is 10 less than the original number. What was the original number?
Mathematics
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Step-by-step solution
5 stepsमान लीजिए कि मूल संख्या है।
संख्या को कम करने पर, नई संख्या होगी
अब, इस नई संख्या () को बढ़ाया जाता है। तो, अंतिम संख्या होगी
प्रश्न के अनुसार, प्राप्त संख्या () मूल संख्या () से 10 कम है। इसे समीकरण के रूप में लिखें
के लिए समीकरण को हल करें
मूल संख्या 1000 है।
सही विकल्प है (d)।
The final answer is
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