The ratio between the numbers of girls and boys in a class is 2:3 respectively. What is the percentage of girls in the class?

Required Percentage = 2/(2+3) ×100 = 40%

- After increase in the price of coffee by 25%, a person is able to buy 4 kg less for Rs. 1,640. Find the original and increased price of the coffee per kg.
- Z spends 60% of his salary and saves the remaining. After his salary is increased by 30%, he saves 55% of the increased amount besides the amount he used to save earlier. What will be the percentage change in his monthly savings?
- The marks obtained by A is 25% more than B, and the marks obtained by C is 122 more than the difference of the marks obtained by A and B. If C obtained 200 marks, then find the marks obtained by A.
- In a village election between two candidates, the winner secured 54% of the total votes cast and won by a majority of 4000 votes. How many votes did the losing candidate get?
- The income of P is 3/4
^{th}of the income of Q and income of R is 70% more than the income of Q. Income of Q is Rs.24000 and expenditure of P is 25% of the expenditure of R. If R saves 20% of his income, then find the savings of P. - Sahil spends 30% of his monthly income on food articles, 40% of the remaining on conveyance and clothes and saves 50% of the remaining. If his monthly salary is Rs. 18,400, how much money does he save every month?
- A girl spent 32% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 5:3. If the difference of the income spent on travel and food is Rs.1224, then find her monthly income.
- A Fruit seller purchased 1530 bananas at the rate of Rs. 20 per dozen. 90 bananas get rotten. In order to make a 20%, he must sell the remaining bananas at the rate of ?
- When income of a man increases by Rs. 6000 then tax rate reduces from 18% to 15%. While in both the situation 25% income is tax free. Find his initial income if he paid equal tax in both cases.
- The population of town at present is 5000. If males are increased by 6% and females are increased by 14%. Then population will become 5540 after I year. Find the male population after increment?

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