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Alkali soils are characterized by the dominance of sodium carbonate in the exchange complex which is a strong alkali, that's why the pH and ESP of these soils Are high.
In a family of four persons, the father’s age is 8 times the age of the daughter. The son is half as old as his mother and is 15 years older than ...
The current ages of P and Q are in the ratio of 8:5. The ratio of P's age seven years ago to Q's age ten years from now is 5:6. W...
5 years ago, A was 1/3 of B’s age. If the ratio of their present ages is 2:5, what will be the sum of their present ages?
Rohan's present age is 3/7 times the age of his mother. After five years, he will be one- half of the age of his mother. How old is his mother at pres...
Shruti's current age is 20% less than Suhana's age. Four years from now, the ratio of Suhana’s age to Shruti's age will be 11:9. What was the ratio of...
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 ...
The combined current ages of 'Pawan' and 'Bheem' add up to 36 years. 'Bheem's current age is half of what 'Ram's age will be 6 years from now. If 'Ram's...
The current ages of 'A' and 'B' are in the ratio 4:7. Currently, 'B' is 8 years younger than what 'C' was 6 years ago. If 'C' is 42 years old now, what ...