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 alone takes 5 days more than B alone to finish a job, and together they finish it in 6 days. How many days does B alone take?
सही उत्तर: ख) 10 days
1/x + 1/(x + 5) = 1/6 gives x² − 7x − 30 = 0, so x = 10 (check: 1/10 + 1/15 = 1/6).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Sales (Rs. lakh) of three products: Product A — 40 in 2022, 50 in 2023; Product B — 60 in 2022, 66 in 2023; Product C — 50 in 2022, 45 in 2023. What was Product B's share of total sales in 2023 (approximately)?
सही उत्तर: घ) 41%
Share = 66 ÷ 161 ≈ 0.410, i.e. about 41%.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Sales (Rs. lakh) of three products: Product A — 40 in 2022, 50 in 2023; Product B — 60 in 2022, 66 in 2023; Product C — 50 in 2022, 45 in 2023. By what percentage did the total sales of the three products change from 2022 to 2023?
सही उत्तर: ख) An increase of about 7.3%
Totals: 150 in 2022 and 161 in 2023; change = 11/150 ≈ 7.33%.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Sales (Rs. lakh) of three products: Product A — 40 in 2022, 50 in 2023; Product B — 60 in 2022, 66 in 2023; Product C — 50 in 2022, 45 in 2023. Which product had the highest percentage growth from 2022 to 2023?
सही उत्तर: ग) Product A
Growth: A 10/40 = 25%, B 6/60 = 10%, C −5/50 = −10%. A is highest.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Batsman A averages 50 runs with a standard deviation of 15; batsman B averages 40 runs with a standard deviation of 8. Judged by the coefficient of variation, who is more consistent?
सही उत्तर: घ) B, with CV 20%
CV = SD/mean × 100: A = 30%, B = 20%. The lower CV (B) means more consistency.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Two goods had base-year prices Rs. 10 and Rs. 20 and current prices Rs. 15 and Rs. 22. Current-year quantities are 6 and 2. What is Paasche's price index?
सही उत्तर: क) 134
Paasche = Σp₁q₁ ÷ Σp₀q₁ × 100 = (90 + 44) ÷ (60 + 40) × 100 = 134.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Two sections of 10 students each have mean marks 20 and 26, and each section has a standard deviation of 4. What is the standard deviation of the combined 20 students?
सही उत्तर: क) 5
Combined mean = 23. Combined variance = [10(4² + 3²) + 10(4² + 3²)] ÷ 20 = 25, so SD = 5.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A company's output rose by 25% in one year and by 80% in the next. What is the average annual growth rate over the two years (using the geometric mean)?
सही उत्तर: ग) 50%
Average growth factor = √(1.25 × 1.80) = √2.25 = 1.5, i.e. 50% per year.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A shop's sales (Rs. lakh) in five successive years were 12, 15, 18, 21 and 30. What is the last 3-year moving average?
सही उत्तर: घ) 23
3-year moving averages: (12+15+18)/3 = 15, (15+18+21)/3 = 18, (18+21+30)/3 = 23.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In what ratio does the x-axis divide the line segment joining the points (1, −2) and (4, 4)?
सही उत्तर: ख) 1 : 2 internally
For a point on the x-axis, y = 0: (k·4 + 1·(−2))/(k + 1) = 0 gives k = 1/2, so the ratio is 1 : 2 (point (2, 0)).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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