How do plants establish a pressure gradient to facilitate water movement in the soil?
As plants absorb water from the soil, water is depleted near the root surface, creating a pressure gradient with respect to neighboring regions of soil that have higher pressure.
The current ratio of the ages of 'Armaan' and 'Bittu' is such that six years from now, it will be 5:4, respectively. Presently, 'Chetna's age exceeds 'B...
Present average of age of A and B is (9x-15) years. Present average age of A, B and C is (6x+5) years. If present age of B is 20% less than the present ...
Before 8 years ago, the ratio of age of anil and Sunil is 5:7, after 6 years from now the ratio of their ages become 7:9, find the sum of present age of...
After 12 years, "Aman" will be three times as old as he was 20 years ago. The age difference between "Aman" and "Bhanu" in twelve years will be 4:5, res...
Present ages of P and Q are in the ratio 2:3 respectively. If Q’s age, 8 years hence from now will be 2 times of P’s age, 6 years ago from now, then...
The ratio of the present ages of father and his son is 8:3. The product of their ages 3 years ago was 29 times of his son’s age that year. What was so...
The ratio of Anil’s age to Anila’s age is 6 : 5 and the sum of their ages is 66 years. What will be the ratio of their ages after 14 years?
Seema’s present age is 1(1/2) times of her marriage. She married 12 years ago. Now she has a daughter whose age is 2 more than one third of her ag...
Present ages of Ram and Raj are in the ratio 6:7, respectively. The ratio of their ages after 12 years will be 9:10. The difference between the ages of ...
The sum of the present ages of two cousins is 54 years. Eleven years ago, the older one was thrice as old as the younger one. What is the present age of...
