The population of a city is decreased by 14% in the first year and then increased by 21% in the second year. Find the population of the city at the end...
'M' allocates 20% of his income to food and 40% of the remaining amount to rent. The expenditure on education is four times higher than his savings, whi...
If a company decreases its number of workers by 50% and increases the remaining employees' salaries by 50%, resulting in a decrease of Rs. 25,000 in tot...
Initially, a person spends 65% of his salary and saves the remainder. When his salary is increased by 40%, his savings remain unchanged, and he finds th...
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% ...
In an examination, Ankita scored 58%, Namita scored 88%, and Minakshi scored 642 marks. Ankita's marks were 522. What is the average marks scored by all...
Sachin allocates 40% of his monthly income to his studies. From what remains, he spends 35% on food. After these expenses,he saves Rs. 1560 each month. ...
A student multiplied a number by 8/5 instead of 5/8. What is the percentage error in the calculation?
A invested a certain amount in Debt and Equity mutual funds in the ratio of 5: 7 respectively. At the end of one year, he earned a total dividend of 30%...
A number is initially increased by 30% and then reduced by 25%. What is the overall percentage change in the number?
