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Indian Institute of Technology Madras (IIT Madras) and Tel Aviv University, Israel, have developed an aerogel adsorbent that can remove trace pollutants from wastewater.This graphene-modified silica aerogel removes over 76 per cent of trace pollutants (PPM level) in continuous flow conditions, offering a sustainable path for large-scale water purification. The research team is dedicated to enhancing these results for large-scale applications.
S allocated 40% of his monthly income for food, followed by 60% of the remaining amount for entertainment, 75% of the remaining for shopping, and the re...
Sonu saves 15% of her income. If her income increases by 20% and she still saves the same amount as before, then what is the percentage increase in her ...
Out of her total income, Priya spent 20% on rent, 50% of the remaining income on groceries, and saved 40% of the income left after her expenses.
Monthly income of P is Rs.20000 and his monthly savings is Rs.12000. If his monthly income is decreased by 40% and monthly expenditure is decreased by 3...
Find the value of x if, 25% of 80 = 225 – x% of 440.
In physics examination a student scored 45% marks in the first paper out of 160. How much percent marks should he score in the second paper out of 140 m...
The price of a commodity has risen by 40%, leading to a 25% decrease in the quantity sold. What is the overall impact on total revenue?
In an election two candidates participated. 10% voters did not vote. 11(1/9) % votes declared invalid and the winner got 50% of the valid votes. If he w...
Rajesh spent 48% of his monthly income on food and 52% of the remaining of study. If total monthly savings (after spending on food and study) of Rajesh ...
A person spent 15% of his monthly income on food and 60% of the remaining on rent. If amount spent on rent is Rs 5798.70, then find the amount spent on ...