Relevant Competitive Tests:
To fill a cistern, pipes P, Q & R take 20, 15 & 12 minutes respectively. \xa0The time in minutes that the three pipes together will take to fill the cistern is:__________?
Correct Option: A.\xa05 min
This question has been verified by the PakPrep community moderation network for competitive examination accuracy.
Subject Overview
Explore thousands of solved past paper MCQs for Maths Mcqs categorized with explanations.
Browse All Maths Mcqs MCQs →