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Lunar caves could provide natural shelters for astronauts, offering protection from cosmic rays, solar radiation, and micrometeorite strikes.
The difference between the value of the number increased by 10% and the value of the number decreased by 20% is 72. Find the number.
In a two digit positive number, the digit in the unit’s place is equal to the square of the digit in ten’s place, and the difference between...
What is the value of √25% =?
A girl spent 16% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 5:2. If the difference of the income ...
The original cost of a wheat flour bag is Rs. 3420. It is labeled with a percentage increase above its cost, denoted by 'p%', and then sold with a disco...
Out of her total income, Neha spent 40% on rent, 25% of the remaining income on groceries, and saved 55% of the income left after her expenses.
The total strength of school A is 20% more than that of school B. In school A and B, out of total number of students, 30% and 40% respectively are girls...
A man donated 9%, 20% and 22% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums rec...
If the population of a city increases by 20% every year and is expected to be 43,200 after 2 years, then what is its present population?