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Dokuchaev is credited as the “Father of Soil Science” and “Father of Modern Pedology” for his work on soil classification and the zonality concept. Jenny focused on soil formation equations, Liebig on agricultural chemistry, and Graham on colloids.
Ten years ago, the average age of five employees was 35 years. The present average age is 45 years after the inclusion of two new employees. Find the pr...
The present ages of Vikas and Sneha are in the ratio 7:4, respectively. After 6 years from now, the sum of their ages will be 78 years. Find the present...
The present age of B is more than twice A’s present age by 4 years. The ratio of A’s age 6 years hence to B’s age 2 years hence will be 4:7. What ...
Sum of the present ages of A, B, C and D is 40 years. After 3 years ratio of their ages is 5:3:2:3. What is C’s present age?
The average age of the husband, wife, and their child 4 years ago was 24 years and that of the husband and the child 5 years ago was 19 years. The pres...
10 years ago age of A is as old B 5 years ago and Age of C after 9 years is 22 years. If present average age of them is 20 years, then find the sum of t...
Four years ago, the age of the mother was 12 times the age of her daughter. Two years hence, the mother's age will be 4 times the daughter's age. After ...
Present age of Karan is 75% more than the present age of Vivek. Ashish is 12 years younger to Karan. Present age of Vivek is 20% less than the present a...
Mukesh's age is four times his son's age If, after 8 years, Mukesh will be four times his son's age, how many times his son's age will Mukesh be after a...
The sum of the ages of P, Q, and R is 120 years. If P is 10 years older than Q and R is 5 years younger than P, what is the age of Q?