CUET Mathematics - A boat goes downstream at a speed of 18 km/hr and upstream at a speed of 'm' km/hr. The boat travelled 90 km downstream in a river and then returned back taking altogether 12.5 hours. Then which of the following are true ? A. m = 12 B. m = 15 C. Speed of water current is 3 km/hr D. Speed of water current is 1.5 km/hr Choose the correct answer from the options given below: | PYQs + Solutions | AfterBoards