What will be the number of permutations of n different things, taken r at a time, where repeatition is allowed?
The correct answer is C
The percentage of Phosphorus Pentoxide present in night soil is:
In tile drainage, when the tiles arranged from one side only it is known as
Which one of the following term is used for the pressure exerted by water vapour in a actuated state?
What is the term for the ability of soil to retain and supply essential nutrients to plants?
Wind direction is measured as –
Heavy shedding of buds and bolls occurs in cotton due to:
The term Green revolution was coined by
The department of agriculture, revenue and commerce was set up in .............................?
The principal photosynthetic pigment in blue-green algae is
Varalaxmi is a hybrid developed in