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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A shopkeeper buys a watch for Rs. 480 and sells it for Rs. 600. He then sells the same watch for Rs. 500. What is his average selling price per watch?
सही उत्तर: ख) Rs. 520
The shopkeeper sold the watch three times at Rs. 600, Rs. 500 and Rs. 480 respectively. The total revenue from selling the watch is 600 + 500 + 480 = Rs. 1580. Number of watches sold = 3. Therefore average selling price per watch is 1580/3 = Rs. 526.67. Closest answer to this is 530.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A merchant buys a certain number of apples for Rs. 60 and sells them at Rs. 8 per apple. If he loses on each apple by selling at a loss, what was the number of apples bought?
सही उत्तर: घ) 20
The merchant buys apples for Rs. 60 and sells them for Rs. 8 per apple. To find the number of apples, divide the cost by the selling price: 60 / 8 = 7.5. Since he loses, this isn't an integer. However, if we are interpreting 'loses' as a loss *per apple*, then the total profit (or loss) is Rs. 60. The most plausible option is 15 because at 8 apples per unit cost of 60, the number sold would be 60/8 = 7.5 which isn't an integer.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the sum of the first five odd integers?
सही उत्तर: क) 20
The first five odd integers are 1, 3, 5, 7, and 9. Their sum is 1 + 3 + 5 + 7 + 9 = 25. Option B is the correct answer, while options A, C, and D provide incorrect sums.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Quantity A: The number of factors of 72. Quantity B: 10. Which statement is correct?
सही उत्तर: क) A. Quantity A > Quantity B
Quantity A calculates the number of factors (divisors) of 72 which is 10 (1, 2, 3, 4, 6, 8, 9, 12, 18, 24, and 36). Therefore, Quantity A is greater than Quantity B. The other options are incorrect because they do not accurately reflect the numerical comparison.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A train travels at 60 km/h and another train travels at 80 km/h. If the first train is 10km behind the second train, how long will it take for the first train to catch up?
सही उत्तर: क) 1 hour
Let t be the time in hours it takes for the first train to catch up. In time 't', the distance traveled by the first train is 60t km and the distance traveled by the second train is 80t km. Since the first train was initially 10km behind, we have 60t = 80t + 10. This simplifies to -20t = 10, so t = -0.5 which is nonsensical as time cannot be negative. Therefore, none of the answers are correct.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Solve for x: (x+2)(x-3) = x - 8
सही उत्तर: क) -4
Expanding the left side, we get x² - 3x + 2x - 6 = x² - x - 6. So x² - x - 6 = x - 8. Rearranging to a quadratic equation: x² - 2x + 2 = 0. This does not have integer solutions, however, attempting to solve for x in the initial problem will lead to option D (2) as the solution.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The number of distinct ways to arrange the letters in the word 'TEAM' is ?
सही उत्तर: घ) 240
The word TEAM has 4 distinct letters. The number of arrangements is 4! = 4 * 3 * 2 * 1 = 24. The choices of 60, 720 etc are incorrect and represent permutations with repetition which isn't applied here.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Solve for x and y : x + y = 5 and x – y = 1
सही उत्तर: क) x=2, y=3
Adding the two equations gives 2x = 6, so x = 3. Substituting x=3 into either equation yields 3 + y = 5, thus y = 2. The options don't reflect this correct solution.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If f(x) = x² - 5x + 7, what is f(3)?
सही उत्तर: क) 1
To find f(3), substitute x=3 into the function: f(3) = (3)² - 5(3) + 7 = 9 - 15 + 7 = 1. The incorrect options represent alternative calculations of the quadratic expression.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If a rectangle has length (2x + 5) cm and width (x - 1) cm, and its area is 48 square centimeters, what is the value of x ?
सही उत्तर: ख) x = 4
The area of a rectangle is length * width. So (2x + 5)(x - 1) = 48. Expanding this gives 2x² + 5x - 2x - 5 = 48, which simplifies to 2x² + 3x - 53 = 0. Solving for x using the quadratic formula shows that x=4 is a solution. The other options do not correctly expand the expression and lead to incorrect solutions.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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