What is the percentage change in the result when we add 50 to a certain number x, instead of subtracting 50 from the sam…

A shopkeeper first raises the price of Jewellery by x% then he decreases the new price by x%. After such up down cycle, …

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

0.001 is equivalent to :

Peter could save 10% of his income. But two years later when his income is increased by 20%, he could save the same amou…

1 litre of water is added to 5 litres of alcohol-water solution containing 40% alcohol strength. The strength of alcohol…

In an office, 40% of the staff is female. 70% of the female staff and 50% of the male staff are married. The percentage …

The population of a city is 35000. On an increase of 6% in the number of men and an increase of 4% in the number of wome…