Tanishka Parihar

CAT Preparation Community 2y ago

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.?