Quantitative (गणित) – Quantitative Ability MCQ
Quantitative (गणित) – व्यवस्थापन प्रवेश
Quantitative Ability · Management Entrance – English, Quant, Logical Reasoning & GK · १,३१७ प्रश्न
१,३१७ प्रश्न उपलब्ध। मोड छान्नुहोस्:
Quantitative (गणित): 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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What is the sum of all the natural numbers between 100 and 200 that are divisible by 6?
सही उत्तर: क) 2550
The multiples of 6 are 102, 108, ..., 198: n = (198 − 102)/6 + 1 = 17 terms. Sum = 17 × (102 + 198)/2 = 17 × 150 = 2550.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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At 7:20, how many degrees separate the hour hand and the minute hand of a clock?
सही उत्तर: क) 100°
Angle = |30H − 5.5M| = |30 × 7 − 5.5 × 20| = |210 − 110| = 100°.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Without stoppages a bus runs at 60 km/h, and with stoppages its average speed is 45 km/h. For how many minutes does the bus stop per hour?
सही उत्तर: ग) 15 minutes
It loses 15 km of distance per hour; at 60 km/h that equals 15/60 h = 15 minutes of stoppage per hour.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A train passes two persons walking in the same direction as the train at 3 km/h and 5 km/h in 10 seconds and 11 seconds respectively. What is the speed of the train?
सही उत्तर: ख) 25 km/h
The train's length is the same: (v − 3) × 10 = (v − 5) × 11, so 10v − 30 = 11v − 55 and v = 25 km/h.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A man can row at 6 km/h in still water. It takes him twice as long to row upstream as to row the same distance downstream. What is the speed of the stream?
सही उत्तर: ख) 2 km/h
Time ratio 2 : 1 means speed ratio downstream : upstream = 2 : 1, so 6 + s = 2(6 − s), giving 3s = 6 and s = 2 km/h.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Two trains run in the same direction at 50 km/h and 30 km/h. The faster train completely passes a man sitting in the slower train in 18 seconds. What is the length of the faster train?
सही उत्तर: ख) 100 m
Relative speed = 20 km/h = 20 × 5/18 = 50/9 m/s; length = 50/9 × 18 = 100 m.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Two trains start at the same time from towns P and Q towards each other. After meeting, they take 9 hours and 16 hours respectively to reach their destinations. What is the ratio of their speeds?
सही उत्तर: घ) 4 : 3
Speed of first : speed of second = √(time of second after meeting) : √(time of first) = √16 : √9 = 4 : 3.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A is 25% more efficient than B. If B alone can finish a work in 15 days, in how many days can A and B together finish it?
सही उत्तर: ग) 6 2/3 days
A takes 15/1.25 = 12 days. Together: 1/12 + 1/15 = 9/60, so time = 60/9 = 6 2/3 days.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Taps A and B can fill a tank in 12 minutes and 16 minutes respectively. Both are opened together. After how many minutes should B be closed so that the tank is full in 9 minutes?
सही उत्तर: ग) 4 minutes
A works all 9 minutes and fills 9/12 = 3/4; B must fill the remaining 1/4, which takes 16 × 1/4 = 4 minutes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A alone can do a job in 6 days and B alone in 12 days. With the help of C they finish it in 3 days and receive Rs. 3,000 in all. What is C's share?
सही उत्तर: घ) Rs. 750
In 3 days A does 3/6 = 1/2 and B does 3/12 = 1/4 of the work, so C does 1/4. C's share = 1/4 × 3000 = Rs. 750.
💬 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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