If both x and y are prime numbers, which of the following CANNOT be the product of x and y?

If the length of rectangle A is one -half of the length of rectangle B , and the width of rectangle A is one -...

If w is 10% less than x, and y is 30% less than Z, then why is what percent less than xz?

A tree increases annually by 1/8 of its height. By how much will it increase after 2 years, if it stands today...

Which one of the following fractions is the smallest?

if 1/2 of the money in a certain trust was invested in stocks, 1/4 in bonds, 1/5 in a mutual fund, and the rem...

In a university, 80 percent of the students lived in hostel, and 60 percent of the hostel students are lucky t...