UPSC NDA I 2024 General Ability Paper

Directions: Each of the following items in this section consists of a sentence, the parts of which have been jumbled as P,Q,R and S. Rearrange the jumbled parts of the sentences into sequence and select the correct sequence as (a), (b), (c), and (d) given below and mark your response on the Answer Sheet accordingly.
science and mathematics exhibition (P)/ for a discussion on the forthcoming (Q)/ to be present before the Principal (R)/ all students have been instructed (S)