Which polymer is primarily used in making pipes and

What is the least number of square tiles required to pave the floor of a room 11 m 47 cm long and 6 m 82 cm broad?

Compute P(A∩B), if P(B) = 0.8 and P(AǀB) = 0.35

Let A = {10, 20, 30} and B = {5, 10, 15}. Which of the following relations from A to B is onto?

Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly. 

Solve |2x–5| = |x+1|.

What will be come in place of (?) in the given number series.

5, 9, 17, 33, ?, 129