If a number is reduced by 40% it becomes two-thirds of another number. What is the ratio of the first number to the seco…

A book consist of 30 pages, 25 line on each page and 35 characters on each line. If this content is written in another n…

125% of 860 + 75% of 480 = ?

In an examination it is required to get 40% of the aggregate marks to pass. A student get 261 marks and is declared fail…

30% apples out of 450 are rotten, How many apples are in good condition ?

What percentage of 3.6 kg is 72 gms. ?

By how much percent must a motorist increase his speed in order of reduce by 20%, the time taken to cover a certain dist…

A's salary was decreased by 50% and subsequently increased by 50%. How much percent does he lose ?