Question
Nine boys have to stand in a circle. In how many ways
they are to be stand on the circumference of circle?Solution
Any boy may be stand on any place so there is no difference in clockwise and anticlockwise direction here.  Requirement permutations = 1/2 × (n - 1)!  => 1/2 × (9 - 1)!  => 1/2 × 8!  => 20160
Family of Anola is
Which nutrient deficiency is primarily responsible for the yellowing of tea leaves?
In the jute industry, bale weight standardization is crucial for logistics, transportation, and trade. What is the standardized weight of a jute bale, a...
____ irrigation system includes intermittent on and off system.
Relay intercropping is
When the activity of one gene is suppressed by the activity of a non-allelic gene, it is known as
The law of minimum was given by which of the following scientist?
Rice plants have a specific preference for the form of nitrogen they uptake. Which form is most efficiently absorbed by rice under submerged conditions,...
Sugarbeet crop, which is used to extract sugar belongs to which family?
The site specific crop management approach that applies agro-chemicals to the field in an economical and environment friendly manner is known as ____.