If r=5 z and z=3 y, then r =?

Read answered 75% of the questions on a test correctly. If he answered 18 questions out of the first 22 correc...

A toy company sold 160 units of toys for Tk. 450 each and 120 units of toys for Tk. 300 each. If the company's...

Raj starts from his home and walks 5 miles towards east, then turns left and walks 3 miles, and then again tur...

During a 7-day book fair, the number of visitors doubled each day. If the fair opened on a Tuesday with 256 vi...

If p=3r, 18r = 6q and 4q=s, then what is the relation between p and s ?

A two-digit number has 6 in its unit digit. The sum of its digits is one fourth of the number itself. What is...