15. In a combined test in mathematics and
science, 24% of the candidates failed in
science, 27% failed in mathematics and
15% failed in both the subjects. Find the
following
a. The percentage of students who failed in
one subject
b. The percentage of students who passed
in both the subjects
If 448 students passed in both the
subjects, how many students appeared in
the test
didate got
c.
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