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Data on 450 candidates, who took an exam...

Data on 450 candidates, who took an examination in Social Science, Mathematics and Science is given below:
`{:("Passed in all the subjects","167"),("Failed in all the subjects",60),("Failed in social Sciences",175),("Failed in Mathematics",199),("Failed in science",191),("Passed in Social Science ",62),("Passed in Mathematics only",48),("Passed in Science only ",52):}`
How many failed in Social Sciences only?

A

15

B

21

C

30

D

42

Text Solution

Verified by Experts

The correct Answer is:
A
Candidates failed in Social Sciences = 175
Candidates failed in all the Subjects = 60
Candidates passed in Science only = 52
Candidates passed in Maths only = 48
Therefore, candidates failed in Social Science only
`= 175 - (60 + 52 + 48)`
`= 175 - 160 = 15 `
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