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Quantitative Aptitude ( CCS) Mathematics - All Exams

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There are 2500 students who appeared for an examination. Out of these, 35% students failed in 1 subject and 42% in other subject and 15% of students failed in both the subjects. How many of the students passed in either of the 2 subjects but not in both?

1925

1175

1275

1100

Explanation:

Failed in 1st subject = (35/100) * 2500 = 875
Failed in 1st subject = (42/100) * 2500 = 1050
Failed in both = (15/100) * 2500 = 375
So failed in 1st subject only = 875 – 375 = 500
failed in 2nd subject only = 1050 – 375 = 675
passed in 1st only + passed In 2nd only = 675+500 = 1175

By: Sandeep Dubey

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