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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Data sufficiency. What is the value of x + y? (1) x − y = 4. (2) x² − y² = 32. Which is true?
सही उत्तर: क) The statements together are sufficient, but neither alone is
Neither alone fixes x + y. Together, x + y = (x² − y²)/(x − y) = 32/4 = 8.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Data sufficiency. What is the value of x? (1) 3x + 2 = 11. (2) x − 4 = −1. Which is true?
सही उत्तर: घ) Each statement alone is sufficient
Each linear equation alone gives x = 3.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Data sufficiency. What is the value of x? (1) x² = 9. (2) x > 0. Which is true?
सही उत्तर: ख) The statements together are sufficient, but neither alone is
(1) gives x = 3 or −3; (2) only says x is positive. Together, x = 3.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Data sufficiency. Is the integer x even? (1) x + 3 is odd. (2) 2x is even. Which is true?
सही उत्तर: घ) Statement (1) alone is sufficient, but statement (2) alone is not
(1): if x + 3 is odd, x must be even, so it is sufficient. (2): 2x is even for every integer x, so it tells nothing.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Quantitative comparison. Quantity A: (−1)¹⁰¹. Quantity B: (−1)¹⁰⁰. Which is correct?
सही उत्तर: क) Quantity B is greater
An odd power of −1 is −1 and an even power is 1, so B (1) is greater than A (−1).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Quantitative comparison. Quantity A: the number of prime numbers less than 20. Quantity B: 8. Which is correct?
सही उत्तर: ख) The two quantities are equal
The primes less than 20 are 2, 3, 5, 7, 11, 13, 17 and 19, which is 8 numbers.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Quantitative comparison. Given x > 0. Quantity A: x². Quantity B: x. Which is correct?
सही उत्तर: घ) The relationship cannot be determined from the information given
If x = 2, A is greater; if x = 0.5, B is greater; if x = 1, they are equal. So it cannot be determined.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Quantitative comparison. Quantity A: (0.3)². Quantity B: 0.3. Which is correct?
सही उत्तर: घ) Quantity B is greater
(0.3)² = 0.09, which is less than 0.3; squaring a number between 0 and 1 makes it smaller.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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For the data set 6, 3, 8, 3, 10, 3, 8, what are the mode and the range?
सही उत्तर: ग) Mode 3, range 7
3 occurs most often (three times), so mode = 3; range = 10 − 3 = 7.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the (population) standard deviation of the data set 2, 4, 4, 4, 5, 5, 7, 9?
सही उत्तर: घ) 2
Mean = 40/8 = 5; squared deviations sum to 9 + 1 + 1 + 1 + 0 + 0 + 4 + 16 = 32; variance = 32/8 = 4; SD = 2.
💬 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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