Question
Pens are bought at the rate of 8 for Rs.40 and sold at 6
for Rs.40. Find the loss or gain per cent.Solution
The cost of 8 pens for = Rs. 40 Cost of 1 pen for = 40/8 = Rs. 5 SP of 6 pens for = Rs. 40  SP of 1 pen for = 40/6 = Rs. 20/3 Ratio of CP to SP = 5: 20/3 = 3:4 Let CP = 3 unit and SP = 4 unit Profit =4-3=1 Profit percentage = (1/3) × 100 = 33.33%
 Which nutrient deficiency is primarily responsible for the yellowing of tea leaves?
The bacterial disease, citrus greening is spread by _____ vector.Â
Production of first haploid plants from pollen grains of Datura (Anther culture) was done by ____
Bordeaux mixture, a fungicide contains ______
Which nutrient stimulates the root growth of a plant?
A common biocontrol agent used to control plant diseases is
SSNM relies on ___ R of ______ managementÂ
Agmark standards do not cover quality guidelines for which of the following commodities
Antibiotics are produced from______.
The lowest layer of atmosphere is known as Troposphere. It extends upto a height of _____ km along the equater and ____km along the poles.
