Question

In a city 40% of the adults are illiterate while 85% of the children are literate  If the ratio of the adults to that of the children is 2:3 then what percent of the population is literate?

A

20%

B

25%

C

50%

D

60%

E

75%

Medium

Solution

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Correct option is
E

75%

Let the number of adults and children be 2x and 3x
 
Literate population = 60% of 2x + 85% of 3x=
Required % =    100% = 75 %

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