Research in the workplace reveals that people work for many reasons ___________.

Rahul, Murali, Srinivas and Arul are seated around a square table. Rahul is sitting to the left of Murali. Srinivas is sitting to the right of Arul. Which of the following pairs are seated opposite each other?

Find the smallest number $y$ such that $y \times 162$ is a perfect cube.

The probability that a $k$-digit number does NOT contain the digits 0, 5, or 9 is :