Question
 Which of the following materials were used for the
reclamation of saline soil?Solution
Gypsum is commonly used for the reclamation of saline soils due to its ability to improve soil structure and reduce salinity
40% of ‘p’ added to 60% of ‘q’ gives 150. If ‘q’ is 50 more than ‘p’, find the value of (2p – q)
A spent 36% and 25% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 15% and 10% to his mother and brother, respec...
The price of an item is first raised by 50% and then reduced by 40%. Find the overall percentage change in the price.
- An individual's monthly income was Rs. 27500 and his monthly expenses were Rs. 20000. In the following year, the income rose by 9% and expenses increased b...
Arjun sets aside 20% of his monthly earnings. If his monthly expenses rise by 45% while his monthly savings remain constant, determine the % increase in...
The price of a commodity is increased by 25% and then decreased by 20%. What is the net percentage change in the price?
What is the percentage change in the result when we add 36 to a certain number x, instead of subtracting 36 from the same number x?
Two students appeared in an exam and one secured 10 marks more than the other. If marks of student who got more marks is 52% of the sum of the marks of ...
- The combined value of ‘r’ and ‘s’ is 750. If ‘r’ is decreased by 4% and ‘s’ is increased by 16%, they become the same. Find the value of �...
A person purchases 50 shares of a company at a price of Rs 80 per share. He sells part of these shares at a 25% profit and the rest at a 15% loss. If hi...
