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Surface tension is a contractive tendency of the surface ofa liquid that allows it to resist an external force. It is revealed, for example, in the floating of some objects on the surface of water, even though they are denser than water, and in the ability of some insects (e.g. water striders) to run on the water surface. This property is caused by cohesion of similar molecules, and is responsible for many of the behaviors of liquids.
In a library, books are categorized into five languages. Among them, 16% are in Hindi, 30% are in English, 18% are in Urdu, and 24% are in Persian. The ...
In an examination the percentage of students qualified with respect to the number of students appeared from school A is 75%. The number of students appe...
Kiran saves 10% of her monthly salary and receives a performance bonus of 12% of her salary. If her annual saving is Rs. 100800, find the monthly bonus....
Monthly income of P is Rs.14000 and his monthly savings is Rs.7500. If his monthly income is decreased by 30% and monthly expenditure is decreased by 25...
The income of Tina is Rs.26000 and she saves 30% of her income. The savings of Kajal is Rs.3000 more than that of Tina and she spends 60% of her income....
A man spends 22% and 14% of his monthly salary on rent and transportation, respectively. Out of the remaining money, he spends 32% on food and 47% on en...
A person spent 25% of his monthly income on food and 60% of the remaining on rent. If amount spent on rent is Rs 945, then find the amount spent ...
0.5 is what percentage of 20?
Ravi allocated 60% of his income to expenses in May. In June, his savings increased by 20%, amounting to Rs. 5760. Calculate Ravi's total income for the...