Radio and taperecorder is the examples of
A. Audio-aids
B. Visual aids
C. Audio-visual aids
D. All of these
Answer: Option A
This Question Belongs to Agriculture >> Agricultural Statistics
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B. Exhibitions
C. Competition
D. Fair
The intelligency, ability or efficiency can be measured by use of
A. Median
B. G.M.
C. Weighted H.M.
D. Geometric mean
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