National demonstrations are first live demonstrations which is conducted on the farmer's field by
A. Extension workers
B. VLW
C. Research scientists
D. BDO
Answer: Option C
This Question Belongs to Agriculture >> Agricultural Statistics
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A. Field trails
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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