Quantitative Aptitude – Percentage – In a group of people, 28% of the members
Slot – 1 – Quantitative Aptitude – Percentage – In a group of people, 28% of the members
Q. 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?
66
59
55
62
Answer: 66
Solutions:
Let us assume that the total number of people is 100.
28 are young and 72 are old. 65 are literate and 35 are illiterate.
Among the literate, 25% (ie 16.25 are young) and the rest 65-16.25 = 48.75 are old.
Among the old, illiterate will be 72-48.75 = 23.25
So, percentage of old in illiterate will be 23.25/35 * 100, which is approximately 66%
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