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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If the mean of the observations 2, 5, x, 8 and 10 is 6, what is the value of x?
सही उत्तर: ख) 5
Sum = 6 × 5 = 30, so x = 30 − (2 + 5 + 8 + 10) = 30 − 25 = 5.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The cost of 3 pens and 2 notebooks is Rs. 190, and the cost of 2 pens and 3 notebooks is Rs. 210. What is the cost of one pen and one notebook together?
सही उत्तर: घ) Rs. 80
Adding the two equations: 5 pens + 5 notebooks = Rs. 400, so 1 pen + 1 notebook = Rs. 80.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many numbers from 1 to 300 are divisible by 3 or 5?
सही उत्तर: घ) 140
Divisible by 3: 100; by 5: 60; by both (15): 20. By inclusion-exclusion, 100 + 60 − 20 = 140.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the sum of the interior angles of a polygon with 12 sides?
सही उत्तर: घ) 1800°
Sum of interior angles = (n − 2) × 180° = 10 × 180° = 1800°.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a class, the ratio of girls to boys is 3 : 5. If 6 more girls join, the numbers of girls and boys become equal. How many students were there in the class originally?
सही उत्तर: ख) 24
3x + 6 = 5x gives x = 3, so originally there were 9 girls and 15 boys, i.e. 24 students.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If the speed of a car is increased by 25%, by what percentage does the time taken to cover a fixed distance decrease?
सही उत्तर: घ) 20%
Time is inversely proportional to speed: new time = 1/1.25 = 0.8 of the old, a decrease of 20%.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If 10 men can dig a trench 20 m long in 8 days, how many men are needed to dig a similar trench 30 m long in 6 days?
सही उत्तर: क) 20
M₁D₁/W₁ = M₂D₂/W₂: 10 × 8/20 = M × 6/30, so M = 4 × 30/6 = 20 men.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The age of a man is three times the sum of the ages of his two sons. Five years hence, his age will be double the sum of their ages. What is the man's present age?
सही उत्तर: घ) 45 years
Let the sons' total age be s; man = 3s. Then 3s + 5 = 2(s + 10), so s = 15 and the man is 45.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If a : b = 2 : 3, b : c = 5 : 7 and c : d = 3 : 4, what is a : d?
सही उत्तर: घ) 5 : 14
a/d = (a/b)(b/c)(c/d) = 2/3 × 5/7 × 3/4 = 30/84 = 5/14.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A sum of Rs. 5,000 is invested at compound interest at 10% for the first year and 20% for the second year. What is the compound interest for the two years?
सही उत्तर: क) Rs. 1,600
Amount = 5000 × 1.10 × 1.20 = Rs. 6,600, so CI = 6600 − 5000 = Rs. 1,600.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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