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UPSC Prelims

CSAT Year Wise (Temporary Link, This will be removed and no PDFs shall be downloaded here. Please download CSAT subject wise files) / सी सैट

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CSAT 2024

Q66 2024, CSAT 2024

Question: If the average marks in a class are 60, then what is the number of students in the class?
Statements:
I: The highest marks in the class are 70 and the lowest marks are 50.
II: Exclusion of highest and lowest marks from the class does not change the average.
Which one of the following is correct in respect of the above Question and the Statements?

प्रश्न: यदि एक कक्षा में औसत अंक 60 है, तो कक्षा में छात्रों की संख्या कितनी है?
कथन I: कक्षा में अधिकतम अंक 70 है और न्यूनतम अंक 50 है।
कथन II: कक्षा में अधिकतम और न्यूनतम अंक को छोड़ देने से औसत में कोई अंतर नहीं आता है।
उपर्युक्त प्रश्न और कथनों के संबंध में, निम्नलिखित में से कौन-सा सही है?

Explanation Please wait..

Let's analyze each statement:

Statement-I: This statement gives us information about the range of marks in the class (50 to 70) but does not directly provide the number of students or the distribution of marks within the class.
Statement-II: This statement tells us that removing the highest and lowest marks from the class does not change the average. This implies that the number of students is such that removing these extreme values doesn't affect the average. But this statement also does not directly provide the number of students.
We cannot find the answer even by combining both the statements. We can not find the number of students in the class.
Hence, the answer is d.

व्याख्या Please wait..

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