AP Police SI practice question
When a number is increased by 110, it becomes 200% of itself. The number is:
From a AP Police SI Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (B) 110
Let the number be x. x + 110 = 200% of x = 2x, so 110 = (200 − 100)% of x = 100% of x. Hence x = 110 × 100/100 = 110. (Dividing 110 by 200% instead of 100% is the usual error.)
हिंदी में प्रश्न
जब एक संख्या में 110 जोड़ा जाता है, तो वह अपने आप का 200% हो जाती है। वह संख्या है:
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सही उत्तर: (B) 110
माना संख्या x है। x + 110 = x का 200% = 2x, अतः 110 = x का (200 − 100)% = x का 100%। इसलिए x = 110 × 100/100 = 110। (110 को 100% के बजाय 200% से भाग देना आम गलती है।)
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