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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If a train travels at a speed of 60 km/h and another train travels at a speed of 80 km/h in opposite directions, their relative speed is?
सही उत्तर: क) 140km/h
When two objects move towards each other, their speeds are added to find the relative speed. 60 km/h + 80 km/h = 140 km/h. The other options result from incorrect addition or misunderstanding of relative velocity.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If the area of a circle is 78.5 square centimeters, what is its radius? (Use π = 3.14)
सही उत्तर: ख) 5 cm
The formula for the area of a circle is A = πr², where r is the radius. We have 78.5 = 3.14 * r². Solving for r, we get r² = 78.5 / 3.14 = 25. Therefore, r = √25 = 5 cm. The other options are incorrect calculations.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A store sells a product for $20 with a cost of $15 per unit. What is the percentage markup on the selling price?
सही उत्तर: घ) 50%
Markup = Selling Price - Cost Price = $20 - $15 = $5. Percentage Markup = (Markup / Cost Price) * 100 = ($5 / $15) * 100 = 33.33%. The closest answer is 40%, acknowledging rounding.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A shopkeeper buys a certain number of apples at Rs 3 per apple. He sells them at Rs 4 per apple. If he makes a profit of Rs 120, how many apples did he buy?
सही उत्तर: घ) 120
Let 'x' be the number of apples bought. The cost price is 3x and the selling price is 4x. The profit is calculated as (selling price - cost price) = 4x - 3x = x. We are given that the profit is Rs 120, so x = 120. Therefore, he bought 120 apples.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If a number is divided by 3 and the result is rounded down to an integer, the number is 8. What is the largest possible value of the number?
सही उत्तर: क) 8
Let x be the number. We are given that round(x/3) = 8. This means 8 ≤ x/3 < 9. Multiplying all sides by 3, we get 24 ≤ x < 27. The largest possible integer value for x is 26. However, 26 is not among the options. Option A (8), B (9), C (10) and D (11) are incorrect; the closest is 27, but 27/3 = 9 which rounds to 9, so this needs correction. The largest possible value of x is 26 or, as close as can be given the options, 27-1=26. Since we're looking for the biggest whole number, the answer must be 27-1 = 26
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The sum of two numbers is 25 and their product is 144. What are the two numbers?
सही उत्तर: क) 8 & 17
Let the numbers be x and y. We have x + y = 25 and xy = 144. From the first equation, y = 25 - x. Substituting into the second: x(25-x) = 144 => 25x - x² = 144 => x² - 25x + 144 = 0. Factoring gives (x-9)(x-16) = 0, so x=9 or x=16. If x=9, then y=25-9=16. If x=16, then y=25-16=9. Thus the numbers are 9 and 16
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A bag contains 7 white balls and 5 black balls. What is the probability of drawing a black ball, then (without replacement) drawing another black ball?
सही उत्तर: क) 35/143
The probability of drawing one black ball is 5/12. After taking out one black ball, there are now 4 black balls and 7 white balls remaining, for a total of 11 balls. The probability of drawing another black ball is then 4/11. (5/12) * (4/11) = 20/132 = 5/33.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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If y = 2x + 3, and x = 5, what is the value of y?
सही उत्तर: घ) 15
Substituting x = 5 into the equation y = 2x + 3 gives y = 2(5) + 3 = 10 + 3 = 13.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Simplify: (x+2)(x-2)
सही उत्तर: ख) x² - 4
This is the difference of two squares. Using the formula a² - b², we get x² - 4.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A square has a side length of 5 cm. What is the area of the square?
सही उत्तर: ग) 25 cm²
The area of a square is calculated by side * side. In this case, it's 5 cm * 5 cm = 25 cm². The other options are incorrect calculations.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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