व्यवस्थापन प्रवेश – English, Quantitative, Logical Reasoning, GK
व्यवस्थापन प्रवेश – English, Quantitative, Logical Reasoning, GK
Management Entrance – English, Quant, Logical Reasoning & GK · ४,३१२ प्रश्न
४,३१२ प्रश्न उपलब्ध। मोड छान्नुहोस्:
व्यवस्थापन प्रवेश: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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Two sections of 10 students each have mean marks 20 and 26, and each section has a standard deviation of 4. What is the standard deviation of the combined 20 students?
सही उत्तर: क) 5
Combined mean = 23. Combined variance = [10(4² + 3²) + 10(4² + 3²)] ÷ 20 = 25, so SD = 5.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A company's output rose by 25% in one year and by 80% in the next. What is the average annual growth rate over the two years (using the geometric mean)?
सही उत्तर: ग) 50%
Average growth factor = √(1.25 × 1.80) = √2.25 = 1.5, i.e. 50% per year.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A shop's sales (Rs. lakh) in five successive years were 12, 15, 18, 21 and 30. What is the last 3-year moving average?
सही उत्तर: घ) 23
3-year moving averages: (12+15+18)/3 = 15, (15+18+21)/3 = 18, (18+21+30)/3 = 23.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In what ratio does the x-axis divide the line segment joining the points (1, −2) and (4, 4)?
सही उत्तर: ख) 1 : 2 internally
For a point on the x-axis, y = 0: (k·4 + 1·(−2))/(k + 1) = 0 gives k = 1/2, so the ratio is 1 : 2 (point (2, 0)).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Two cars cover distances in the ratio 3 : 4 in times in the ratio 2 : 3. What is the ratio of their speeds?
सही उत्तर: ख) 9 : 8
Speed = distance/time, so the ratio = (3/2) : (4/3) = 9 : 8.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If prices rise by 10% in each of two successive years, what will Rs. 100 at the end of the second year buy in terms of the goods it could buy at the start?
सही उत्तर: ग) About Rs. 82.64 worth
Price level becomes 1.1² = 1.21 times, so purchasing power of Rs. 100 = 100 ÷ 1.21 ≈ Rs. 82.64.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The consumer price index rose from 120 to 150. By what percentage did the price level rise?
सही उत्तर: घ) 25%
Percentage rise = (150 − 120) ÷ 120 × 100 = 25%; the 30-point rise is not 30%.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A and B invest Rs. 50,000 and Rs. 30,000 in a firm. Each partner first receives 10% interest on his capital out of the profit, and the balance is shared equally. If the year's profit is Rs. 20,000, how much does A receive in all?
सही उत्तर: क) Rs. 11,000
Interest: A 5,000, B 3,000; balance 20,000 − 8,000 = 12,000 shared equally (6,000 each); A gets 5,000 + 6,000 = Rs. 11,000.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A number is first decreased by 20%. By what percentage must the result be increased to obtain a number 10% greater than the original?
सही उत्तर: घ) 37.5%
From 0.8x to 1.1x the increase is 0.3x on 0.8x = 0.3/0.8 = 37.5%.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If the square of a positive number increases by 21%, by what percentage has the number itself increased?
सही उत्तर: ख) 10%
(1 + x)² = 1.21 gives 1 + x = 1.1, so the number rose by 10%.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
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