This morning five employees arrived at the office. The following information is known:

Question

This morning five employees arrived at the office. The following information is known:

P entered before Q, but after R.

S entered before T, but after Q.

In what order did they enter the office?

1. A. T S P Q R
2. B. R P Q S T (Correct answer)
3. C. R Q P S T
4. D. P Q R S T

Correct Answer

Option B — R P Q S T

Detailed Solution & Explanation

The correct answer is R P Q S T.

Key Points

• *P entered before Q, but after R* gives the chain R → P → Q.
• *S entered before T, but after Q* gives Q → S → T.
• Joining on the shared element Q: R → P → Q → S → T.

Additional Information

• The order of arrival is therefore R, P, Q, S, T.
• With statements of the form *X before Y but after Z*, write each as a small chain and then merge the chains at their common terms; a single sequence usually emerges without any case work.

*Ministry of Papers worked solution. The Commission has not yet published the official key for this paper; this answer will be reconciled with it on release.*