Study the given graph and answer the question that follows.
In an institute, 35% are boys and the rest are girls. If 30% of the boys failed and 60% of the girls passed in an examination, then the percentage of students who failed the examination is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 36.5%.
Let total students = 100
So, Boys =35 and Girls = 65
Failed boys = 0.3 × 35 = 10.5
Failed girls = 0.4 × 65 = 26
Total failed = 10.5 + 26 = 36.5
Percentage failed = (36.5/100) × 100 = 36.5%