Question
Consider the following statements about ‘AMRIT’
(Arsenic and Metal Removal by Indian Technology): 1.      Recently, IIT - Madras has developed this technology. 2.      It is developed for the removal of Arsenic and Metal ions from water. 3.      This water purifier has been developed for both domestic as well as community levels. Which of the statements given above is/are correct?Solution
Recently, the Indian Institute of Technology (IIT) - Madras has developed a technology called ‘AMRIT’ (Arsenic and Metal Removal by Indian Technology) technology. It is developed for the removal of Arsenic and Metal ions from water. The technology uses nano-scale iron oxy-hydroxide, which selectively removes arsenic when water is passed through it. This water purifier has been developed for both domestic as well as community levels.
In a zoo, 25% of the people are males. 40% of the remaining are females and the remaining 720 are children’s. Find the total number of people in a...
- A person paid Rs. 13500 for a refrigerator after a single discount of 25%. If he had been given successive discounts of 15% and 15%, how much would he have...
If y exceeds x by 15 % then x is less than y by what percent?
A company manufactures two products, A and B, with production costs of 150 and 200, respectively. To meet market demand, the company raises the price of...
In each population, 30% of the population is affected with asthma out of which 90% of asthma patients used to work in flour mills. If 30% of the total p...
- Ravi spends 80% of his monthly salary. He also receives a bonus every month which is 10% of his salary. If his annual saving is Rs. 132000, find the bonus ...
The monthly income of Raju was Rs. 13500 and his monthly expenditure was Rs. 9000. Next year his income increased by 17% and his expenditure increased b...
A person saves 15% of his monthly income. If his monthly is increased by 35% and he still saves the same amount as before then find percentage increase ...
In a train, 40% of the passengers are females. Out of total number of passengers, 60% have unreserved tickets out of which 20% are females. How much per...
- Initially, Meena had a salary of Rs. 45,000 and her expenses to savings were in the ratio 5:4. After her salary increase, she spent 10% less and saved 50% ...