The price of sugar is increased by 20 %. If the expenditure on sugar has to be kept the same as earlier, the ratio between the reduction in consumption and the original consumption is: 

An interval of 3 hours 40 minutes is wrongly estimated as 3 hours 45.5 minutes. The error percentage is  

498 is 17 % less than a number then the number is: 

The average score of 42 students in a test is 69. The ratio of the number of boys to that of girls is 10 : 11. The average score of the boys is 20% more than that of the girls. The average score of the boys is:

If the income of Ram is $$ 12{1\over2}\%$$ more than that of Shyam, the income of Shyam is less than that of Ram by

What percent decrease in salary would exactly cancel out the 20 percent increase? 

In a test, minimum passing percentage for girls and boys is 30% and 45% respectively. A boy scored 280 marks and failed by 80 marks. How many more marks did a girl require to pass in the test if she scored 108 marks?

Salary of a person is first increased by 20 %, then it is decreased by 20 %. Then the percentage change in his salary is: