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In an exam out of 1800 students, 65% boys and 80% girls are passed. If total pass percentage was 75%, how many girls appeared in the exam and how many girls failed?
- a)1350, 360
- b)1200, 240
- c)1000, 180
- d)1050, 280
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
In an exam out of 1800 students, 65% boys and 80% girls are passed. If...
from the question, we get the question
x = 600
So, the number of girls (1800 -600) = 1200
Most Upvoted Answer
In an exam out of 1800 students, 65% boys and 80% girls are passed. If...
Solution:
Given, total number of students = 1800
Let the number of boys be ‘B’ and number of girls be ‘G’
So, B + G = 1800 ………(1)
Also, 65% of boys and 80% of girls passed the exam.
So, number of boys passed = 65% of B = 0.65B
Number of girls passed = 80% of G = 0.8G
Total number of students passed = 75% of 1800 = 0.75 × 1800 = 1350
Therefore, 0.65B + 0.8G = 1350 ………(2)
On solving equations (1) and (2), we get
B = 600 and G = 1200
Therefore, number of girls appeared in the exam = G = 1200
Number of girls failed = Total number of girls – Number of girls passed
= 1200 – (0.8 × 1200)
= 240
Therefore, the correct option is B) 1200, 240
Given, total number of students = 1800
Let the number of boys be ‘B’ and number of girls be ‘G’
So, B + G = 1800 ………(1)
Also, 65% of boys and 80% of girls passed the exam.
So, number of boys passed = 65% of B = 0.65B
Number of girls passed = 80% of G = 0.8G
Total number of students passed = 75% of 1800 = 0.75 × 1800 = 1350
Therefore, 0.65B + 0.8G = 1350 ………(2)
On solving equations (1) and (2), we get
B = 600 and G = 1200
Therefore, number of girls appeared in the exam = G = 1200
Number of girls failed = Total number of girls – Number of girls passed
= 1200 – (0.8 × 1200)
= 240
Therefore, the correct option is B) 1200, 240
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In an exam out of 1800 students, 65% boys and 80% girls are passed. If total pass percentage was 75%, how many girls appeared in the exam and how many girls failed?a)1350, 360b)1200, 240c)1000, 180d)1050, 280Correct answer is option 'B'. Can you explain this answer?
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In an exam out of 1800 students, 65% boys and 80% girls are passed. If total pass percentage was 75%, how many girls appeared in the exam and how many girls failed?a)1350, 360b)1200, 240c)1000, 180d)1050, 280Correct answer is option 'B'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about In an exam out of 1800 students, 65% boys and 80% girls are passed. If total pass percentage was 75%, how many girls appeared in the exam and how many girls failed?a)1350, 360b)1200, 240c)1000, 180d)1050, 280Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In an exam out of 1800 students, 65% boys and 80% girls are passed. If total pass percentage was 75%, how many girls appeared in the exam and how many girls failed?a)1350, 360b)1200, 240c)1000, 180d)1050, 280Correct answer is option 'B'. Can you explain this answer?.
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