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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Find the fourth proportional to 4, 6 and 10.
सही उत्तर: क) 15
4 : 6 = 10 : x, so x = 6 × 10/4 = 15.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the mean proportional between 9 and 16?
सही उत्तर: ग) 12
Mean proportional = √(9 × 16) = √144 = 12. 12.5 is the arithmetic mean, not the mean proportional.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If A : B = 2 : 3 and B : C = 4 : 5, then A : B : C is:
सही उत्तर: क) 8 : 12 : 15
Make B the same in both ratios: A : B = 8 : 12 and B : C = 12 : 15. So A : B : C = 8 : 12 : 15.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Rs. 12,000 is invested at 10% per annum compound interest (compounded annually). What is the amount after 3 years?
सही उत्तर: घ) Rs. 15,972
Amount = 12,000 × (1.1)³ = 12,000 × 1.331 = Rs. 15,972. Rs. 15,600 is the simple-interest amount.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A sum of money at compound interest doubles itself in 5 years. In how many years will it become 8 times itself?
सही उत्तर: क) 15 years
8 = 2³, so the sum doubles three times: 3 × 5 = 15 years. 40 years would be correct only under simple interest.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the difference between compound interest and simple interest on Rs. 5,000 for 2 years at 10% per annum (compounded annually)?
सही उत्तर: ग) Rs. 50
For 2 years, CI − SI = P(R/100)² = 5,000 × 0.01 = Rs. 50. It is the interest earned on the first year's interest (10% of Rs. 500).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What amount will Rs. 5,000 become in 1 year at 10% per annum, compounded half-yearly?
सही उत्तर: ग) Rs. 5,512.50
Half-yearly compounding gives a rate of 5% for 2 periods: 5,000 × (1.05)² = Rs. 5,512.50. Rs. 5,500 would be the result of annual compounding.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Find the compound interest on Rs. 8,000 at 5% per annum for 2 years, compounded annually.
सही उत्तर: ग) Rs. 820
Amount = 8,000 × (1.05)² = Rs. 8,820, so CI = Rs. 820. Rs. 800 is the simple interest, and Rs. 8,820 is the amount, not the interest.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In how many years will Rs. 2,500 amount to Rs. 3,250 at 6% per annum simple interest?
सही उत्तर: घ) 5 years
SI = 3,250 − 2,500 = Rs. 750. Interest per year = 2,500 × 6% = Rs. 150, so time = 750/150 = 5 years.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The simple interest on a sum for 4 years at 5% per annum is Rs. 1,200. Find the sum.
सही उत्तर: घ) Rs. 6,000
P = SI × 100/(R × T) = 1,200 × 100/20 = Rs. 6,000. Check: 6,000 × 5% = 300 per year, and 300 × 4 = 1,200.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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