Which method is suitable only for literate people?
A
Direct personal observation
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B
Indirect oral interview
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C
Mailed questionnaries
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D
Information through agencies
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Solution
The correct option is B Mailed questionnaries Mailed questionnaire is a very economical and less time consuming method but the main drawback is it can be only used by the literate people as it involves complete knowledge regarding the internet and mails.