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 least number that must be added to 2,000 to make it a perfect square?
सही उत्तर: घ) 25
44² = 1,936 < 2,000 < 45² = 2,025, so 2,025 − 2,000 = 25 must be added.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the largest four-digit perfect square?
सही उत्तर: ग) 9801
√9999 ≈ 99.99, so the largest square below 10,000 is 99² = 9,801.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many three-digit numbers have all three digits odd?
सही उत्तर: ग) 125
Each of the three places can take any of the 5 odd digits 1, 3, 5, 7, 9: 5 × 5 × 5 = 125.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the hexadecimal (base-16) number A3 in the decimal system?
सही उत्तर: ग) 163
A = 10, so A3₁₆ = 10 × 16 + 3 = 163.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many four-digit numbers are palindromes (read the same forwards and backwards)?
सही उत्तर: घ) 90
A four-digit palindrome has the form abba with a from 1–9 and b from 0–9, giving 9 × 10 = 90.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In how many ways can 48 be written as the difference of the squares of two positive integers?
सही उत्तर: क) 3
48 = (a − b)(a + b) with both factors of the same parity: 2 × 24, 4 × 12 and 6 × 8 give 13² − 11², 8² − 4² and 7² − 1², so 3 ways.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many minutes after 3 o'clock do the hands of a clock first make an angle of 30°?
सही उत्तर: घ) 10 10/11 minutes
At 3:00 the angle is 90°, and the minute hand gains 5.5° per minute; the angle becomes 30° after (90 − 30)/5.5 = 120/11 = 10 10/11 minutes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Electric poles stand 60 m apart beside a railway line. A passenger in a moving train counts 21 poles in exactly one minute, counting the first pole at the start of the minute. What is the train's speed?
सही उत्तर: ग) 72 km/h
21 poles mark 20 gaps = 20 × 60 = 1,200 m covered in 1 minute, i.e. 1,200 × 60 / 1,000 = 72 km/h.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Buses run at the same speed and at equal intervals in both directions along a road. A man walking along the road is overtaken by a bus every 12 minutes and meets an oncoming bus every 4 minutes. How often do the buses leave the terminus?
सही उत्तर: घ) Every 6 minutes
If the gap between buses is g, bus speed b and walking speed w: g = 12(b − w) = 4(b + w), so b = 2w and g = 12w = 6b; the time interval is g/b = 6 minutes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Walking down a moving down-escalator at 1 step per second, a man takes 20 steps to reach the bottom; walking at 2 steps per second, he takes 32 steps. How many steps are visible on the escalator?
सही उत्तर: क) 80
At 1 step/s he takes 20 s; at 2 steps/s, 16 s. If the escalator moves e steps/s: N = 20 + 20e = 32 + 16e, so e = 3 and N = 80.
💬 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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