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31
y2 is equal to
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Answer: Option A
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32
Binomial expansion method is applicable when
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Answer: Option B
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33
To induce emotional participation of the local community and to create a conductive psychological climate for adoption of a new practice, the method of extension generally applied is
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Answer: Option B
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34
Bulletins, leaflets, circular letters, posters, fairs, exhibitions, radio and television are the media of
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Answer: Option D
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35
The R rank correlation was suggested by
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Answer: Option B
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36
Scope of Sociology is studied by
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Answer: Option C
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37
Which of the following is the first step in developing of programme?
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Answer: Option D
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38
If each observation of a set is multiplied by 10, then the mean of new set of observation
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Answer: Option B
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39
Albert Mayer of USA started a project in September, 1948 known as
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Answer: Option C
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40
The second moment about mean is
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Answer: Option B
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