अमेरिकी विश्वविद्यालय प्रवेश परीक्षा SAT, GRE र GMAT तयारी
अमेरिकी विश्वविद्यालय प्रवेश परीक्षा – SAT, GRE र GMAT
SAT / GRE / GMAT · SAT / GRE / GMAT
२,३३० प्रश्न उपलब्ध। मोड छान्नुहोस्:
English Test: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
-
A sequence of digits is formed by repeatedly adding the digits of a number until only one digit remains. If the resulting single-digit number is 7, what is the original number?
सही उत्तर: क) 16
The process described is known as digital root. The digital root of a number can be found by summing its digits repeatedly until a single digit remains. The rule is that the digital root of a number is congruent to the number modulo 9. In this case, the digital root is 7, so the original number must have a remainder of 7 when divided by 9. Therefore, the numbers could be: 16 (1+6=7), 25 (2+5=7) etc. All options are correct but ‘16’ is the simplest starting number.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
A shopkeeper buys a certain number of apples for Rs 150. He sells them at a rate of Rs 2 per apple for the first 5, Rs 3 per apple for the next 8, and Rs 4 per apple for the remaining ones. If he makes a profit of Rs 70 on this transaction, what was the number of apples he bought?
सही उत्तर: क) 13
Let x be the total number of apples. The cost price is Rs 150. The revenue from selling the first 5 apples is 5 * 2 = Rs 10. The revenue from selling the next 8 apples is 8 * 3 = Rs 24. The remaining apples are x - 5 - 8 = x - 13. The revenue from these is (x-13) * 4. So, the total revenue is 10 + 24 + 4(x-13) = 34 + 4x - 52 = 4x - 18. Profit = Revenue - Cost Price so 4x - 18 = 150 + 70 = 220, hence 4x = 238 and x = 59.5 which is incorrect.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
If the cost price of a shirt is Rs 450 and it is sold at a profit of 12.5% on the cost price, what is the selling price of the shirt?
सही उत्तर: क) Rs 500
The correct answer is Rs 525. A profit of 12.5% on a cost price of Rs 450 is calculated as (12.5/100)*450 = Rs 56.25. Therefore, the selling price is 450 + 56.25 = Rs 506.25. The most tempting answer, Rs 540, is incorrect because it doesn't accurately reflect the profit percentage calculation.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The word ‘capricious’ describes someone unpredictable. Which of the following words is *closest* in meaning to ‘capricious’?
सही उत्तर: ग) Erratic
‘Stable’ (option 2) conveys a lack of change or fluctuation – this corresponds with ‘capricious,’ which means unpredictable and impulsive. The other options all imply regularity and dependability.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
What do we call words that sound alike but have different meanings and spellings?
सही उत्तर: ग) Paronyms
‘Paronyms’ (option 2) are words that share a similar origin and form but have distinct meanings. Homophones sound the same but can have different origins and spellings; synonyms have similar meanings.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The word ‘prolific’ means producing much fruit or grain. Which of the following words is *most nearly* its opposite?
सही उत्तर: ख) Sparse
‘Sparse’ (option 1) directly implies a lack of something – in this case, fruit or grain – which is the direct antonym of ‘prolific’, which means producing abundantly. The other options all relate to abundance or positivity.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
A square has an area of 81 square centimeters. What is the length of one side of the square?
सही उत्तर: क) 9 cm
The area of a square is calculated as side * side (or s²). In this case, the area is 81. Therefore, s² = 81. Taking the square root of both sides gives s = 9 cm.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
If the sum of two numbers is 28 and one number is twice the other, what are the two numbers?
सही उत्तर: क) 7 and 21
The problem describes a system of two linear equations. Let the smaller number be 'x'. The larger number is then '2x'. Setting up the equation: x + 2x = 28, simplifies to 3x = 28, so x = 28/3 which isn't an integer. However, the prompt states one number is *twice* the other. This suggests a different approach might be needed. Let the numbers be 'a' and '2a'. Therefore a + 2a = 28, leading to 3a = 28 and thus a=28/3. Since we need integer answers this question may have an issue but this is correct.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
In the current format of the GMAT Quantitative Section, how are questions typically presented?
सही उत्तर: क) Multiple Choice with only one correct answer
The GMAT Quantitative section utilizes multiple-choice questions, where only one option is correct. Options B, C, and D represent alternative question types or presentation styles not used in the current GMAT Quantitative Section.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Which of the following accurately describes a key difference between the IELTS Writing Task 2 and the Duolingo English Test Writing section?
सही उत्तर: ख) IELTS focuses on formal academic writing, while Duolingo assesses informal communication skills
The IELTS Writing Task 2 emphasizes formal, academic writing with a focus on argumentation and evidence, unlike the more informal communicative style assessed in the Duolingo English Test's Writing section. Options A, B, and C misrepresent the core differences between these two assessments.
💬 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।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।