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 1,000 to make it exactly divisible by 23?
सही उत्तर: क) 12
1,000 ÷ 23 leaves a remainder of 11 (23 × 43 = 989). Adding 23 − 11 = 12 gives 1,012 = 23 × 44. 11 is the number to subtract, not to add.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the sum 1² + 2² + 3² + ... + 10²?
सही उत्तर: क) 385
Sum of squares = n(n + 1)(2n + 1)/6 = 10 × 11 × 21/6 = 385.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the sum of the first 50 natural numbers?
सही उत्तर: क) 1,275
Sum = n(n + 1)/2 = 50 × 51/2 = 1,275. 2,550 forgets to divide by 2.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many positive factors does 360 have?
सही उत्तर: घ) 24
360 = 2³ × 3² × 5, so the number of factors = (3+1)(2+1)(1+1) = 24.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the remainder when 2^31 is divided by 5?
सही उत्तर: घ) 3
Powers of 2 mod 5 cycle as 2, 4, 3, 1. Since 31 = 4 × 7 + 3, the remainder is 3.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the unit digit of 7^95?
सही उत्तर: घ) 3
The unit digits of powers of 7 repeat in the cycle 7, 9, 3, 1. Since 95 = 4 × 23 + 3, the unit digit is the 3rd in the cycle, which is 3.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the greatest number that divides 285 and 1,249 leaving remainders 9 and 7 respectively?
सही उत्तर: ख) 138
The required number divides 285 − 9 = 276 and 1,249 − 7 = 1,242, so it is HCF(276, 1,242) = 138. 69 also divides both but is not the greatest.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the least number which, when divided by 6, 8 and 12, leaves a remainder of 4 in each case?
सही उत्तर: घ) 28
LCM of 6, 8 and 12 is 24, so the number = 24 + 4 = 28. Check: 28 leaves remainder 4 when divided by 6, 8 and 12.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The product of two numbers is 2,160 and their HCF is 12. What is their LCM?
सही उत्तर: घ) 180
HCF × LCM = product of the two numbers, so LCM = 2,160/12 = 180.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the LCM of 12, 18 and 30?
सही उत्तर: ख) 180
12 = 2² × 3, 18 = 2 × 3² and 30 = 2 × 3 × 5. LCM = 2² × 3² × 5 = 180.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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