Question
In a small town, 50% of the people like fishing, 70%
like hiking, and 30% like both. If the remaining 21 people don't like either activity, how many people are in the town?Solution
ATQ, Let the total number of residents be 100x Residents who enjoy both swimming and running = 0.3 × 100x = 30x Residents who enjoy only swimming = 50x - 30x = 20x Residents who enjoy only running = 70x - 30x = 40x Residents who enjoy at least one activity =20x + 40x +30x = 90x ATQ, 
According to the mobility of element in soil; which of the following is considered as Immobile in soil.
The deficiency symptom for Fe in plants is
Which of the following actinomycetes is responsible for nitrogen fixation?
The absolute density of soil is also referred to as ……………….which is generally 2.60-2.75 gm/cm3
Drought which is related to moisture deficits in vegetation roots , lead to crop growth stress, crop yield reduction or failure driven by low precipit...
Flooding is the method used for the reclamation practice in which of the problematic soil?
Indian Institute of soil and water conservation is situated at:
Die back in citrus is caused due to the deficiency of ____
……………………………is a key factor for successful crop production and it is a measure of capacity of soil to supply plant nutrients.
...Which of the following groups of nutrients is absorbed by plants only in anionic form?
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