After taking 30 socks out of the dryer, Dina noticed that the ratio of blue socks to brown socks to black socks was 2:3:5. How many black socks were in the dryer?

Tina rented a rickshaw for Tk. 18 plus Tk. 0.10 per km. Ruby rented another rickshaw for Tk.25 plus Tk. 0.05 p...

A factory with 3 machines has a job of stamping out a number of pan covers. The newest machine can do the job...

A collection of books went on sale and 2/3 of these were sold Tk. 2.30 each. If none of the 36 remaining books...

At a college football game, 4/5 of the seats in the lower deck of the stadium were sold. If one-fourth of all...

A very short-term creditor, such as a supplier who grants credit for only 30 days, is likely to be most intere...

A firm is having difficulty controlling its operating expenses. Which one of the following ratio categories wi...