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Question

Of the 1000 inhabitants of a town, 60 % are males of whom 20% are literate. If of all the inhabitants 25 % are literate, then what per cent of the females of the town are literate ?
  1. 22.5 %
  2. 27.5 %
  3. 32.5 %
  4. 37.5 %

A
27.5 %
B
32.5 %
C
22.5 %
D
37.5 %
Solution
Verified by Toppr

1000 inhabitants 60% are male =60×1000100=600

Then female inhabitants are =1000600=400

In 600 male inhabitants 20% literate =20×600100=120

In whole 1000 inhabitants 25% are literate =25×1000100=250

Female inhabitants are literate =250120=130

Then % of literate female =130400×100=32.5.

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