A-value technique is used to calculate the original soil supply of:
A' value concept was developed by Fried and Dean (1952). When the plant is confronted with two sources of a given nutrient, the plant will absorb from each of these in proportion to the respective amounts available.
Present age of ‘A’ is 40% more than that of ‘B’. If 11 years hence from now, ‘B’ will be 5 years younger than ‘A’, then find the sum of ...
2n years ago, the age of Rahul was four times that of his son and n years ago, the age of Rahul was thrice that of his son. If n years later, the sum of...
18 years ago the average age of a family of four members was 45 years. Two children were born in that span of 18 years. The present average age of the f...
7 years ago, Meera’s age was equal to the Heena’s present age. The sum of Meera’s age 10 years from now and Heena’s age 5 years ago is 94 yea...
The ages of A, B and C together are 54 years. B is thrice as old as A and C is 4 years older than A. What is the difference between ages of B and C?
At present, Naveen is six years younger than Mohit. Mohit’s age fifteen years hence will be equal to thrice that of Naveen three years ago. What w...
Present average age of A, B and C together is 44 years. Age of B is 12 Years hence from now will be 260% more than age of A. Four years ago from now ...
A person’s present age is 4/5th of the age of his brother. After 10 years, he will be 9/10th of the age of his brother. How old is the brother at ...
When 16 years ago age of Ram was divided by 24, the present age of his granddaughter Surbhi is obtained. If Surbhi is 3 years younger than...
Eight years from now, Kirti's age will be twice that of her brother Kunal, but 6 years ago she was four times as old as Kunal was then. Find the pre...
