Relevant Competitive Tests:
A completes 80% of a work in 20 days. Then B also joins and A and B together finish the remaining work in 3 days. How long does it need for B if he alone completes the work?
Correct Option: A.\xa037 ½ days
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 →