If the length of a rectangle is increased by 20% and its breadth is decreased by 20%, its area:

B is 10% more than A. C is 20% less than A. B is what percentage more than C?

A is 80% more than B and C is $$48{4\over 7}\%$$ less than the sum of A and B. By what percent is C less than A?

If x% of $${25\over 2}\%$$ is 150, then the value of x is : 

The price of sugar is increased by 20%. As a result, a family has to decrease its consumption by 20%. The expenditure of the family on sugar is decreased by

In a class, 60% speak Hindi and 70% speak English. If 28% of the students can’t speak any of the two languages, then what % of the students in the class can speak both the languages?

On subtracting 10 from a number, that number is decreased by 20%, then what is 60% of that number?

If (x+20)% of 250 is 25% more than x% of 220, then 10% of (x + 50) is what per cent less than 15% of x?