Quant Exam > Quant Questions > The average marks obtained by 100 candidates ...
Start Learning for Free
The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.
- a)30
- b)40
- c)50
- d)60
- e)None of these
Correct answer is option 'C'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
The average marks obtained by 100 candidates in an examination are 45....
Answer – c) 50 Explanation : Let P = passed students and failed students = F. So 45*100 = 50*P + 40*F and P + F = 100. Solve for F and P, we will get P = 50.
Most Upvoted Answer
The average marks obtained by 100 candidates in an examination are 45....
Let's assume the number of students who passed the examination is 'x'. Since the average marks obtained by 100 candidates is 45, we can find the total marks obtained by all the candidates.
Total marks obtained by all candidates = Average marks * Number of candidates
= 45 * 100
= 4500
Similarly, we can find the total marks obtained by the passed students and the failed students.
Total marks obtained by passed students = Average marks of passed students * Number of passed students
= 50 * x
= 50x
Total marks obtained by failed students = Average marks of failed students * Number of failed students
= 40 * (100 - x)
= 40(100 - x)
Now, since the total marks obtained by all the candidates is equal to the total marks obtained by the passed students plus the total marks obtained by the failed students, we can write the equation:
4500 = 50x + 40(100 - x)
Simplifying the equation, we get:
4500 = 50x + 4000 - 40x
500 = 10x
x = 50
Therefore, the number of students who passed the examination is 50.
Hence, the correct answer is option 'C'.
Total marks obtained by all candidates = Average marks * Number of candidates
= 45 * 100
= 4500
Similarly, we can find the total marks obtained by the passed students and the failed students.
Total marks obtained by passed students = Average marks of passed students * Number of passed students
= 50 * x
= 50x
Total marks obtained by failed students = Average marks of failed students * Number of failed students
= 40 * (100 - x)
= 40(100 - x)
Now, since the total marks obtained by all the candidates is equal to the total marks obtained by the passed students plus the total marks obtained by the failed students, we can write the equation:
4500 = 50x + 40(100 - x)
Simplifying the equation, we get:
4500 = 50x + 4000 - 40x
500 = 10x
x = 50
Therefore, the number of students who passed the examination is 50.
Hence, the correct answer is option 'C'.
Community Answer
The average marks obtained by 100 candidates in an examination are 45....
Average is 45
candidate is 100
100×45=4500
average passing Mark's is 50(50×50=2500)
average fail marks 40(40×50=2000)
:-2500+2000=4500
2500÷50=50
candidate is 100
100×45=4500
average passing Mark's is 50(50×50=2500)
average fail marks 40(40×50=2000)
:-2500+2000=4500
2500÷50=50
|
Explore Courses for Quant exam
|
|
Similar Quant Doubts
The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer?
Question Description
The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer? for Quant 2024 is part of Quant preparation. The Question and answers have been prepared according to the Quant exam syllabus. Information about The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Quant 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer?.
The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer? for Quant 2024 is part of Quant preparation. The Question and answers have been prepared according to the Quant exam syllabus. Information about The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Quant 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer?.
Solutions for The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Quant.
Download more important topics, notes, lectures and mock test series for Quant Exam by signing up for free.
Here you can find the meaning of The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice The average marks obtained by 100 candidates in an examination are 45. If the average marks of the passed students are 50 while the average marks of the failed students is 40. Then find the number of students who passed the examination.a)30b)40c)50d)60e)None of theseCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice Quant tests.
|
|
Explore Courses for Quant exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup