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

72 grams is what percent of 3.6 kilograms?

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

In an examination a student had to find 3/14 of a number, he found 3/4th by mistake, his answer was 150 more than the correct answer, find the required number.

A student was asked to find 3.5% of an amount, he mistakenly found 5.5% which was Rs.220, what would be the correct answer?

The greatest common factor of two co-prime numbers will be

By selling an article for Rs. 600 there is a profit of 20%. What is the cost price of the article?

There is a loss of 25% on selling an article for Rs 300, then what is the cost price of the article?