Question
Two types of rice costing Rs. 160 per kg and Rs. 260 per
kg. In what ratio should these be mixed so that obtained mixture sold at Rs. 300 per kg to earn a profit of 20%?Solution
SP of the mixture = Rs. 300 Gain = 20% ∴ CP of the mixture = 300 × 100/120 = 250 Now, using the allegation method 
The silk fibres are held together in cocoon by a substance known as……………………
Saline soils could be improved by:-
Largest soil order in world is
During a prolonged dry spell, a farmer notices soil crusting in the field. What could be a possible consequence of soil crusting on the crops?
What is soil sickness?
What is the primary function of humus in soil?
Which of the following groups of nutrients is absorbed by plants only in anionic form?
………………………….. is designed to break up hard layers or pans without bringing them to the surface.
...When the contact of soil moisture still decreased below the wilting point in way that the water is held very tightly & may be state of vapour around soi...
According to USDA classification of salt affected soils; a soil having EC >4 mmho/cm; ESP >15; pH
Relevant for Exams:
