RRB Group D practice question
What will come in place of the question mark (?) in the following equation? √9 × √256 + ? = 23 × 8
From a RRB Group D Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (B) 136
√9 = 3 and √256 = 16, so the left side is 3 × 16 + ? = 48 + ?. Right side: 23 × 8 = 184. Hence ? = 184 − 48 = 136.
हिंदी में प्रश्न
निम्नलिखित समीकरण में प्रश्न चिह्न (?) के स्थान पर क्या आएगा? √9 × √256 + ? = 23 × 8
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उत्तर और व्याख्या देखें
सही उत्तर: (B) 136
√9 = 3 तथा √256 = 16, अतः बायाँ पक्ष 3 × 16 + ? = 48 + ?। दायाँ पक्ष: 23 × 8 = 184। अतः ? = 184 − 48 = 136।
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