UP Police Constable practice question
12 workers can repaint a gym hall in 15 days. How many days will 9 workers of the same efficiency take?
From a UP Police Constable Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (D) 20 days
Men and days are inversely proportional: 12 × 15 = 9 × d ⇒ d = 180/9 = 20 days.
हिंदी में प्रश्न
12 మంది కార్మికులు ఒక వ్యాయామశాల హాలుకు 15 రోజుల్లో రంగు వేయగలరు. అదే సామర్థ్యం గల 9 మంది కార్మికులకు ఎన్ని రోజులు పడుతుంది?
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सही उत्तर: (D) 20 రోజులు
మనుషులు, రోజులు విలోమానుపాతంలో ఉంటాయి: 12 × 15 = 9 × d ⇒ d = 20 రోజులు.
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