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 is three times as efficient as B and takes 40 days less than B to finish a job. In how many days can they finish it working together?
सही उत्तर: ख) 15 days
If A takes x days, B takes 3x; 3x - x = 40 gives x = 20 and B = 60. Together: 1/20 + 1/60 = 1/15, i.e. 15 days.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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20 men can build a wall in 12 days. How many men are needed to build the same wall in 8 days?
सही उत्तर: ग) 30
Men x days is constant: 20 x 12 = 240 = M x 8, so M = 30.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A can do a work in 15 days and B in 20 days. If they work together for 4 days, what fraction of the work is left?
सही उत्तर: ख) 8/15
Work per day together = 1/15 + 1/20 = 7/60; in 4 days = 28/60 = 7/15; left = 8/15.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The present ages of three persons are in the ratio 4 : 7 : 9. Eight years ago, the sum of their ages was 56. What is the present age of the eldest?
सही उत्तर: क) 36 years
Present sum = 56 + 3 x 8 = 80 = 20k, so k = 4; eldest = 9 x 4 = 36 years.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A mother is 24 years older than her daughter. After 6 years, the mother will be three times as old as the daughter. What is the daughter's present age?
सही उत्तर: घ) 6 years
d + 24 + 6 = 3(d + 6) gives d + 30 = 3d + 18, so d = 6.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Ten years from now, a man will be twice as old as he was 15 years ago. What is his present age?
सही उत्तर: घ) 40 years
x + 10 = 2(x - 15) gives x = 40.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The ages of Sita and Gita are in the ratio 5 : 3 and Sita is 8 years older than Gita. What is Sita's age?
सही उत्तर: ख) 20 years
5k - 3k = 8 gives k = 4; Sita = 5 x 4 = 20 years.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A student's average in 5 subjects is 72. His average in the first 4 subjects is 70. How many marks did he get in the fifth subject?
सही उत्तर: घ) 80
5 x 72 - 4 x 70 = 360 - 280 = 80.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Section A has 30 students with an average score of 60 and Section B has 20 students with an average of 70. What is the combined average?
सही उत्तर: क) 64
(30 x 60 + 20 x 70) / 50 = (1,800 + 1,400) / 50 = 64.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The average monthly salary of 20 workers is Rs. 15,000. When the manager's salary is included, the average rises by Rs. 500. What is the manager's salary?
सही उत्तर: ग) Rs. 25,500
New total = 21 x 15,500 = 3,25,500; old total = 3,00,000; manager = Rs. 25,500.
💬 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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