The length of a rectangle is increased by 60% then by how much % should the breadth be reduced so that its area does not change?

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

If the income of A is 25% more than that of B, then by what percent is the income of B less than that of A?

A seller uses 920 gm in place of one kg to sell his goods. When he sells his articles at 15% gain on cost price, the actual percentage of profit is :

if 50% of (x-y) =30% of (x+y), then what percentage of x is y?

The value of a machine depreciates at the rate of 10% per annum. It was purchased 3 years ago. If its present value is Rs.53071.20, the purchase price of the machine was:

The average monthly salary of all the employees in a company is ₹ 12,000. Among them the average salary of male employees is ₹15,000 and that of female employees is ₹8000. Accordingly, what is the ratio of male and female employees?

A basket contains 300 mangoes. 75 Mangoes were distributed among some student. Find the percentage of mangoes left in the basket.