Quant र Reasoning (SAT/GRE/GMAT) – Quant & Reasoning MCQ
Quant र Reasoning (SAT/GRE/GMAT) – English Test
Quant & Reasoning · English Proficiency & SAT/GRE/GMAT · ४०८ प्रश्न
४०८ प्रश्न उपलब्ध। मोड छान्नुहोस्:
Quant र Reasoning (SAT/GRE/GMAT): 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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Rs 7,200 is divided among A, B and C in the ratio 2 : 3 : 4. How much does C receive?
सही उत्तर: ग) Rs 3,200
C's share = 7,200 × 4 / 9 = Rs 3,200.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The present ages of A and B are in the ratio 4 : 5. After 6 years the ratio will be 5 : 6. What is A's present age?
सही उत्तर: ख) 24 years
Let ages be 4k and 5k: (4k + 6)/(5k + 6) = 5/6 gives 24k + 36 = 25k + 30, so k = 6 and A = 24.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A runner moves at 12 km/h for 2 hours and then at 7 km/h for 3 hours. What is the average speed for the whole run?
सही उत्तर: घ) 9 km/h
Average speed = total distance / total time = (24 + 21) / 5 = 9 km/h.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Class A has 30 students with an average score of 70 and class B has 20 students with an average of 80. What is the combined average?
सही उत्तर: ग) 74
Combined average = (30 × 70 + 20 × 80) / 50 = 3,700 / 50 = 74.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the average of the first 50 positive even numbers?
सही उत्तर: घ) 51
The numbers 2, 4, …, 100 form an arithmetic sequence, so the average = (2 + 100) / 2 = 51.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The average of 10 numbers is 24. If one number, 42, is replaced by 22, what is the new average?
सही उत्तर: क) 22
New total = 240 − 42 + 22 = 220; new average = 220 / 10 = 22.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Rice costing Rs 60 per kg is mixed with rice costing Rs 90 per kg so that the mixture costs Rs 72 per kg. In what ratio are they mixed?
सही उत्तर: क) 3 : 2
By alligation: (90 − 72) : (72 − 60) = 18 : 12 = 3 : 2 (cheaper : dearer).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 60-litre solution is 20% acid. How much pure acid must be added to make the solution 40% acid?
सही उत्तर: ख) 20 litres
Acid = 12 L. (12 + x)/(60 + x) = 0.4 gives 12 + x = 24 + 0.4x, so 0.6x = 12 and x = 20 litres.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If a : b = 2 : 3 and b : c = 4 : 5, then a : b : c equals:
सही उत्तर: ग) 8 : 12 : 15
Make b common: a : b = 8 : 12 and b : c = 12 : 15, so a : b : c = 8 : 12 : 15.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the compound interest on Rs 20,000 at 8% per annum for one year, compounded half-yearly?
सही उत्तर: ख) Rs 1,632
Half-yearly rate 4% for 2 periods: amount = 20,000 × 1.04² = 21,632; CI = Rs 1,632.
💬 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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