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?

One-third of 1206 is what percentage of 134?

In an examination 60% of the students passed in English and 70% in Mathematics, if 20% of the students failed in both the subjects and 2500 students passed in both the subjects, then what is the total number of candidates?

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

if 120% of a is equal to 80% of b, then $${b+a}\over {b-a}$$ is equal to

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

Answer the following questions

The hourly wages of a mason have increased by 25%. Since the increase, the number of hours he works daily has reduced by 16%. If he was earning Rs. 120 per day before the increase, how much (in Rs.) is he earning now?

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?