CAT 2020 Exam Shift 1 Solved Paper

Question : 70 of 76

Marks: +1, -0

In a group of people,

28 \%

of the members are young while the rest are old. If

65 \%

of the members are literates, and

25 \%

of the literates are young, then the percentage of old people among the illiterates is nearest to

Solution:

Let the number of persons in the group be 100 .
Then the people who are young

=28

Ans the number of literate persons=65
Number of literates who are young

=25 \%

65=16.25

∴

Required answer

=\;{48.75}/{72} × 100=66

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