Delhi Police Constable practice question
What will come in place of the question mark (?) in the following equation? √25 × √25 + ? = 36 × 10
From a Delhi Police Constable Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (A) 335
√25 = 5 and √25 = 5, so the left side is 5 × 5 + ? = 25 + ?. Right side: 36 × 10 = 360. Hence ? = 360 − 25 = 335.
हिंदी में प्रश्न
निम्नलिखित समीकरण में प्रश्न चिह्न (?) के स्थान पर क्या आएगा? √25 × √25 + ? = 36 × 10
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सही उत्तर: (A) 335
√25 = 5 तथा √25 = 5, अतः बायाँ पक्ष 5 × 5 + ? = 25 + ?। दायाँ पक्ष: 36 × 10 = 360। अतः ? = 360 − 25 = 335।
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