In his pocket, a boy has 3 red marbles, 4 blue marbles, and 4 green marbles. How many marbles will he have to take out of his pocket to ensure that he has taken out at least one of each color?

The electric company charges Tk. 0.30 per kilowatt-hour (KWH). Rahim used 2800 KWH in April, 3200 KWH in May,...

Which of the following is a true statement?

If the value of X and Y in the fraction XZ/Y are both tripled, how does the value of the fraction change?

Which of the following fractions is the equivalent of 0.5%?

In the last week of a month, a car dealer sold 12 cars. A new sales promotion came out in the first week of th...

Jesmin spent one-third of her money on books and half of the remaining money on clothing. She then spent three...