Reena is twice as old as Sunita .Three years ago, she was three times as old as Sunita. How old is Reena now?
Solution-
Let the present age of Suneeta =x and Reena =2x
three years before-
(x-3)3 =(2x-3)
3x-9=2x-3
x=6year
then the age of reena =2×6=12 years .
The main enzyme present in gastric juice is:
According to need hierarchy theory, safety needs are fulfilled after satisfying of which need?
Most effective pesticides are ......................?
What is the term for the ability of soil to retain and supply essential nutrients to plants?
Recently, the Department of Skill Development and Employment, Uttarakhand has signed a MoU with ________________ during Youth Mahotsav. Unde...
The marginal product of a factor input initially rises with its employment level, but after reaching a certain level of employment, it starts falling. T...
Water is oxidized to oxygen by
legumes crop also known as oilseeds .............................?
Roguing is performed to
Which of the following sequence regarding dominant trait in pea plant is incorrect?