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The energy stored in a capacitor is given by
A number N undergoes a two-step adjustment: first, it is increased by 20%, and then it is subsequently decreased by 10% of the new value. After these ad...
Deksha borrowed Rs. 500 at 5% per annum simple interest. What amount (in rupees) will she pay to clear her debt after 4 years?
In a test, P got 25% of total marks and failed by 60 marks while Q got 45% of total marks which is 23 more than passing marks. Find the total marks of t...
A person marks his goods 40% above the cost price. He sold 30% of goods at marked price, 60% of the remaining at a discount of 20% and remaining at 40% ...
The difference between 7/10 of a number and 38% of the number is 112. What is 20% of the number?
...In a hospital, the ratio of nurses to doctors is 5:2. 30% of nurses and 40% of doctors are working in the emergency department, and 20% of the remaining...
A bowl contains a colony of bacteria. Every hour, the bacteria population doubles, but immediately after doubling, a virus kills 40% of the population. ...
The population of a city is decreased by 12% in the first year and then increased by 22% in the second year. Find the population of the city at the end...
The total population of a village is 12600. If the rate of growth of male population is 20% per year and the rate of growth of female population is 10% ...
A number is increased by 45% and then decreased by 30%. What is the overall percentage change (increase or decrease) in the number?
