Melinda's lights went out. She has 3 pairs of red socks in her drawer, 2 pairs of black socks, and 5 pairs of white socks. What is the minimum number of pairs she must remove from the drawer to ensure that she has a pair of each color

The elevator in an eleven-storied office building travels at the rate of one floor per 1/4 minute, which allow...

To produce an old photograph, a photographer charges x dollars to make a negative 3x/5 dollars for each of the...

In a triangle LMN, LN is the longest side. THen the largest of the three angles is

The radius of a circle is increased by 10% , then the area is increased by what percent?

A person travels a distance of 30 km at a speed of 60 km /hr and then comes back at twice the speed. How may m...

Arman wanted to have Tk. 39,200 as interest after 5 years. He has invested an amount in an account for 1 year...