This discussion on 1. The Calcutta Mail left Mumbai at 9 PM sharp, Two hours later, the Geetanjali Express started from Mumbai in the same direction. The Geetanjali Ex press overtook the Calcutta Mail at 5 AM on the next morning. Find the average speed of the two trains over this journey, if the sum of their average speeds is 140 km/h. (a) 68.57 km/h? is done on EduRev Study Group by CAT Students. The Questions and Answers of 1. The Calcutta Mail left Mumbai at 9 PM sharp, Two hours later, the Geetanjali Express started from Mumbai in the same direction. The Geetanjali Ex press overtook the Calcutta Mail at 5 AM on the next morning. Find the average speed of the two trains over this journey, if the sum of their average speeds is 140 km/h. (a) 68.57 km/h? are solved by group of students and teacher of CAT, which is also the largest student community of CAT. If the answer is not available please wait for a while and a community member will probably answer this soon. You can study other questions, MCQs, videos and tests for CAT on EduRev and even discuss your questions like 1. The Calcutta Mail left Mumbai at 9 PM sharp, Two hours later, the Geetanjali Express started from Mumbai in the same direction. The Geetanjali Ex press overtook the Calcutta Mail at 5 AM on the next morning. Find the average speed of the two trains over this journey, if the sum of their average speeds is 140 km/h. (a) 68.57 km/h? over here on EduRev! Apart from being the largest CAT community, EduRev has the largest solved Question bank for CAT.