Despite his initial hesitation, Rehman's __________ to contribute to the success of the project never wavered.

Select the most appropriate option to complete the above sentence.

Bird : Nest :: Bee : ________

Select the correct option to complete the analogy.

If $P e^x=Q e^{-x}$ for all real values of $x$, which one of the following statements is true?

The paper as shown in the figure is folded to make a cube where each square corresponds to a particular face of the cube. Which one of the following options correctly represents the cube?

Note: The figures shown are representative.