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 P(A) = 0.5, P(B) = 0.4 and P(A ∩ B) = 0.2, what is the conditional probability P(A | B)?
सही उत्तर: घ) 0.5
P(A | B) = P(A ∩ B)/P(B) = 0.2/0.4 = 0.5.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A bag contains 6 white and 4 black balls. Three balls are drawn at random. What is the probability that exactly two of them are white?
सही उत्तर: ग) 1/2
⁶C₂ × ⁴C₁/¹⁰C₃ = 15 × 4/120 = 1/2.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Three dice are thrown together. What is the probability that all three show the same number?
सही उत्तर: घ) 1/36
There are 6 favourable outcomes (1-1-1 to 6-6-6) out of 216: 6/216 = 1/36.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In how many ways can the letters of the word 'ARTICLE' be arranged so that the vowels occupy only the even positions?
सही उत्तर: ग) 144
The 3 vowels fill the 3 even places (2nd, 4th, 6th) in 3! ways and the 4 consonants fill the rest in 4! ways: 6 × 24 = 144.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In how many ways can 2 cards be drawn from a pack of 52 so that both are red?
सही उत्तर: ख) 325
There are 26 red cards: ²⁶C₂ = 26 × 25/2 = 325.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In how many ways can 5 different balls be placed in 3 different boxes if any box may hold any number of balls?
सही उत्तर: क) 243
Each of the 5 balls has 3 choices: 3⁵ = 243.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many four-digit numbers with all digits different are divisible by 5?
सही उत्तर: क) 952
Ending in 0: 9 × 8 × 7 = 504; ending in 5: 8 × 8 × 7 = 448 (first digit cannot be 0 or 5); total = 952.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A committee of 4 is to be formed from 7 men and 5 women. In how many ways can it be formed with exactly 2 women?
सही उत्तर: क) 210
⁷C₂ × ⁵C₂ = 21 × 10 = 210.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In how many ways can 5 boys and 3 girls sit in a row so that all three girls sit together?
सही उत्तर: ख) 4,320
Treat the girls as one block: 6! arrangements, times 3! inside the block = 720 × 6 = 4,320.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In how many different ways can the letters of the word 'SUCCESS' be arranged?
सही उत्तर: क) 420
7!/(3! × 2!) = 5040/12 = 420 (S three times, C twice).
💬 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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