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Interview Questions Math 1 year ago
Posted on 18 Jan 2024, this text provides information on Math related to Interview Questions. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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-step explanation:Given :Rs.480 is divided EQUALLY among x children.If the number of children were 20 more than each would have got Rs.12 less.To find :The value of x?SOLUTION :Let the required number of children be x.Then, SHARE of each will be:Rs.480/xNew number of children:(x + 20)Share of each now:Rs.480/(x + 20)According to the question:⇒ 480/x - 480/(x + 20) = 12⇒ 1/x - 1/(x + 20) = 12/480⇒ (x + 20) - x/x(x + 20) = 12/480⇒ x² + 20x - 800 = 0⇒ x² + 40x - 20x - 800 = 0⇒ x(x + 40) - 20(x + 40) = 0⇒ (x + 40) = 0 & (x - 20) = 0⇒ x = -40 & x = 20[x ≠ -40, ∵ number of children can't be negative]∴ The value of x is 20....ッ
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Interview Questions 0 Answers
Interview Questions 1 Answers
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