काठमाडौं विश्वविद्यालय KUMAT KUMAT प्रवेश परीक्षा तयारी
काठमाडौं विश्वविद्यालय KUMAT – KUMAT प्रवेश परीक्षा
KUMAT Entrance · KUMAT (BBA, BBIS)
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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A 60-litre mixture contains milk and water in the ratio 2 : 1. How much water must be added to make the ratio 1 : 1?
सही उत्तर: ग) 20 litres
The mixture has 40 L milk and 20 L water. For a 1 : 1 ratio, water must equal 40 L, so 20 L must be added.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A person travels equal distances at 10 km/h, 20 km/h and 60 km/h. What is his average speed for the whole journey?
सही उत्तर: ख) 18 km/h
Average speed = 3/(1/10 + 1/20 + 1/60) = 3/(10/60) = 18 km/h. 30 km/h is the simple average of the speeds, which does not apply to equal distances.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Two cyclists start at the same time from places 60 km apart and ride towards each other at 12 km/h and 18 km/h. After how long will they meet?
सही उत्तर: क) 2 hours
Moving towards each other, their relative speed = 12 + 18 = 30 km/h. Time = 60/30 = 2 hours.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Walking at 4/5 of his usual speed, a man reaches his office 10 minutes late. What is his usual time to reach the office?
सही उत्तर: क) 40 minutes
At 4/5 of the speed, the time becomes 5/4 of the usual time T. The extra time is T/4 = 10, so T = 40 minutes (50 minutes is the time taken at the slower speed).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A boat's speed in still water is 10 km/h and the stream flows at 2 km/h. How long will it take to go 24 km downstream and come back?
सही उत्तर: घ) 5 hours
Downstream speed is 12 km/h (2 h) and upstream speed is 8 km/h (3 h), so the total is 5 hours. 4.8 h wrongly uses 10 km/h both ways.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A boat goes downstream at 18 km/h and upstream at 12 km/h. What is the speed of the stream?
सही उत्तर: क) 3 km/h
Stream speed = (downstream − upstream)/2 = (18 − 12)/2 = 3 km/h. 15 km/h is the boat's speed in still water.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Two trains 120 m and 180 m long run in opposite directions at 40 km/h and 50 km/h. In how much time will they cross each other completely?
सही उत्तर: घ) 12 seconds
Relative speed (opposite directions) = 90 km/h = 25 m/s. Distance = 120 + 180 = 300 m, so time = 12 s. 108 s would apply if they ran in the same direction (relative speed 10 km/h).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A train 200 m long running at 72 km/h crosses a platform 300 m long. How much time does it take?
सही उत्तर: घ) 25 seconds
72 km/h = 20 m/s. Distance = train + platform = 500 m, so time = 500/20 = 25 s. 10 s would ignore the platform.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A train 150 m long runs at 54 km/h. How long does it take to cross a telegraph pole?
सही उत्तर: ग) 10 seconds
54 km/h = 15 m/s. To pass a pole the train covers only its own length, so time = 150/15 = 10 s.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A man goes from A to B at 60 km/h and returns at 40 km/h. What is his average speed for the whole journey?
सही उत्तर: क) 48 km/h
For equal distances, the average speed = 2xy/(x + y) = 2 × 60 × 40/100 = 48 km/h. 50 km/h is the simple average, which is wrong because more time is spent at the slower speed.
💬 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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AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।