Question : In a class of 1500 students, the percentage of girls is 30%. If 80% of the boys failed the examination, find the number of boys who passed the examination.
Option 1: 840
Option 2: 210
Option 3: 550
Option 4: 630
Answer (1)
19th Jan, 2024
Correct Answer: 210
Solution :
Given: In a class of 1500 students, the percentage of girls is 30%.
The number of girls
The number of boys = The total number of students – The total number of girls = 1500 – 450 = 1050
80% of the boys failed the examination.
⇒ (100% – 80%) = 20% of the boys passed the examination.
The number of boys who passed the examination
Hence, the correct answer is 210.
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