SSC CGL 17 Aug 2021 Shift 1 Paper

Question : 56 of 100

Marks: +1, -0

A certain number of students from School

X

appeared in an examination and

20 \%

students failed. From School

Y, 130 \%

more students than that from School

X

, appeared in the same examination. If

90 \%

of the total number of students appeared from both the schools passed, then what is the percentage of students from School

Y

who failed (correct to one decimal place)?

Solution:

Let students in School

In School Y 130\% more students than

X

i.e. 230
If

90 \%

of total students from School

X

and

Y

passed.
So, total students.

If 297 students passed in

X

and

Y

institute together than the number of students passed in Institute

Y

=297-80=217

\;\; y=230

Per cent student failed in

Y

\;\; =\;{13}/{230} × 100

\;\; =5.69 ≈ 5.7 \%

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