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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A number leaves remainder 3 when divided by 6. What remainder does its square leave when divided by 6?
सही उत्तर: ग) 3
If n = 6k + 3, then n^2 = 36k^2 + 36k + 9, which leaves the same remainder as 9, i.e. 3.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the LCM of the fractions 2/3, 4/9 and 5/6?
सही उत्तर: ग) 20/3
LCM of fractions = LCM of numerators / HCF of denominators = LCM(2, 4, 5) / HCF(3, 9, 6) = 20/3.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the HCF of 1,365 and 1,785?
सही उत्तर: ख) 105
1,785 - 1,365 = 420; 1,365 = 3 x 420 + 105; 420 = 4 x 105. So HCF = 105 (1,365 = 105 x 13, 1,785 = 105 x 17).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many numbers from 1 to 100 are divisible by both 4 and 6?
सही उत्तर: क) 8
Such numbers are multiples of LCM(4, 6) = 12; there are 8 of them (12, 24, ..., 96).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the remainder when 5^99 is divided by 6?
सही उत्तर: ख) 5
5 leaves remainder -1 on division by 6, so 5^99 leaves (-1)^99 = -1, i.e. remainder 5.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the unit digit of 13^47?
सही उत्तर: घ) 7
Unit digits of powers of 3 repeat as 3, 9, 7, 1. 47 leaves remainder 3 when divided by 4, so the unit digit is 7.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the least number that must be subtracted from 2,000 to make it exactly divisible by 17?
सही उत्तर: क) 11
17 x 117 = 1,989 and 2,000 - 1,989 = 11.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 20-litre solution contains 25% acid. How much water must be added to bring the acid content down to 20%?
सही उत्तर: ग) 5 litres
Acid = 5 L. For 20% acid, total = 5 / 0.2 = 25 L, so 5 litres of water must be added.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Two alloys contain gold and copper in the ratios 1 : 2 and 3 : 2. If equal weights of the two alloys are melted together, what is the ratio of gold to copper in the new alloy?
सही उत्तर: ख) 7 : 8
Take 15 kg of each: gold = 5 + 9 = 14 kg, copper = 10 + 6 = 16 kg; ratio 14 : 16 = 7 : 8.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 45-litre mixture contains milk and water in the ratio 4 : 1. If 9 litres of the mixture are taken out and replaced with water, what is the new ratio of milk to water?
सही उत्तर: ख) 16 : 9
After removing 9 L, 36 L remain with milk 28.8 L and water 7.2 L; adding 9 L water gives water 16.2 L; 28.8 : 16.2 = 16 : 9.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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