Question
A car driver’s income consist of his salary and
tips. During one week his tips were 5/4 of his salary. What portion of his total income came from tips?Solution
Let salary of car drivers be = x Then his tips = x× 5/4 = 5x/4 Total income = x+ 5x/4 = 9x/4 Portion of income come from tips = (5x/4)/(9x/4) = 5/9
The practice of cultivation in the air is termed as .......................... ?
The Upper limit of available water is ______
Crops grown to supplement the yield of main crops are called
Polymorphism in fungi was first observed by:
Carrot belongs to the family:
Yellow vein mosaic disease of okra is a viral disease.Â
Which of the following insects spreads the disease?
Consider the following statements.
Assertion (A): Phosphorous availability is poor in acid soils.
Reason (R): Phosphorous is leached from acidic soils.
Which of the following erosion is the removal of soil by running water with the formation of an areas of small branching channels. It can be removed by ...
Which term describes the unconsolidated layer of rock fragments above bedrock?
In cross-pollinated species, a true breeding line developed by continuous selfing is called: