Question
In the given figure, B and C are the centres of the two
circles. ADE is the common tangent to the two circles. If the ratio of the radius of both the circles is 3 : 5 and AC = 40, then what is the value of  DE ?Solution

Chemical formula of single superphosphate is:
FIRB method of planting is followed in which crop?
The substance that is added to make natural rubber strong and more bouncy is-
Soil incorporation of herbicide decomposed by sunlight should be done
A loan which is given for time period of 15 months and could be utilized for purchasing of seeds and fertilizers is known as__________
Cultivation of crops in areas receiving annual rainfall more than750 mm but less than 1150 mm is known as
Which irrigation method is suitable for cotton grown in heavy soils like clay and loam, reducing water usage by 50%?
The product of pedigree selection is
For green manuring sunhemp can be sown duringÂ
Extending over Rajasthan, West of the Aravalis, this region has an erratic rainfall of an annual average of less than 25 cm. Bajra, jowar, and mot...