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If extensive leaching of a saline-sodic soil occurs in the absence of any source of calcium or magnesium, part of the exchangeable sodium is gradually replaced by hydrogen. Such soil may be slightly acidic in nature, yet it may contain enough sodium to give it an unstable structure. Such a soil is designated as a degraded sodic soil, earlier known as degraded alkali soil.
Rajesh spent 40% and 20% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 15% and 30% to his mother and brother, r...
A man spends 75% of his income. His income increases by 20% and his expenditure also increases by 10%. Find the percentage increase in his savings.
A person spent 23% of his monthly income on food and 44% of the remaining on rent. If amount spent on rent is Rs 1694, then find the amount spent on food.
Monthly savings of X is 45% of his monthly income which is Rs. 8800. If ratio of monthly expenditure of Y and X is 15:8 respectively and monthly savings...
A housewife saved Rs. 2.50 in buying an item on sale. If she spent Rs. 25 for the item, approximately how much percent she saved in the transacti...
In an examination having total 300 questions, in the first section having 180 questions. A student got 75% marks in first section, but he got 80% marks ...
The ratio of the salary of K and L is 4:5. The salary of M is 50% of the sum of salary of K, L, and M. If the salary of M and sum of the salary of K, L,...
Aryan, Bhavya, and Chetan initiated a venture with initial investments of Rs. 50,000, Rs. 60,000, and Rs. 72,000 respectively. After six months, Aryan, ...
A bulb-producing company found 17% of the total product defective. If the total number of nondetective products is 4565, then specify the number of tota...
In an examination in which full marks were 400. Harry got 20% more than Peter, Peter got 20% less than Tony. If Harry got 240 marks. What percentage of ...
