If the ratio of the sum invested and simple interest received after 1 year is 20:9 respectively, then find the rate of interest.
Let the sum invested and simple interest received be Rs.20x and Rs.9x respectively. Let the rate of investment be r% p.a. Therefore, {(20x x 1 x r)/100} = 9x => r = 45%
Varietal purity is checked by
Roguing is performed to
Fully opened blossoms in apple may be killed at temperature below
Aquacaps are used for
A vertical marketing system is:
Which of these is included in the mental process of acceptance or rejection of a new product?
Control of weeds by weedicides in linseed is__
Tomato originated in:
Which of the following fertiliser is both in ammonium and nitrate form?
The root disease “club root” is caused by