A person wishes to reach his destination 90 km away in 3 hours but for the first half of the journey his… · ABC26GN3645
Subject: General Aptitude · Chapter: Time and Distance · Exam: P.C.S. 2008
A person wishes to reach his destination 90 km away in 3 hours but for the first half of the journey his speed was 20 km/hr. His average speed for the rest of the journey should be