Answer
$243$
Work Step by Step
The number of ways in which a series of successive things can occur is found by multiplying the number of ways in which each thing can occur.
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1. The 1st question can be chosen in 3 ways.
2. The 2nd question can be chosen in 3 ways.
3. The 3rd question can be chosen in 3 ways.
4. The 4th question can be chosen in 3 ways.
5. The 5th question can be chosen in 3 ways.
Applying the Principle,
the total number of different orders is 3$\times$3$\times$3$\times$3$\times$3=$243$
