The number obtained by subtracting two-third of 75% of 600 from a number is 320, what is the original number?

The cost of an article was 75. The cost was first increased by 20% and later on it was reduced by 20%. The present cost of the article is:

In an examination in which full marks were 700, A gets 20 % more than B, B gets 20 % more than C, and Cgets 15 % less than D. If A got 576 marks, then what percentage of full marks did D get? 

The population of a city in the year 2020 was 2,00,000. The rate of growth of population is 8% per annum. Find the population of that city in the year 2022.

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?

Manju's salary is 60% more than Sohan's then tell what % Sohan's salary is less than Manju's salary?

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 15% of 40 is 2 more than 25% of a number, then the number will be