Practice mode / Boats and Streams The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is: A Option A: 1.2 km B Option B: 1.8 km C Option C: 2.4 km D Option D: 3.6 km Correct answer D. 3.6 km Show answer Report a problem How we write and check questions
Question 01 / Boats and Streams A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water? A Option A: 4 km/hr B Option B: 6 km/hr C Option C: 8 km/hr D Option D: Data inadequate Correct answer B. 6 km/hr Show answer Open question
Question 02 / Boats and Streams In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is: A Option A: 3 km/hr B Option B: 5 km/hr C Option C: 8 km/hr D Option D: 9 km/hr Correct answer C. 8 km/hr Show answer Open question
Question 03 / Boats and Streams A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is: A Option A: 4 B Option B: 5 C Option C: 6 D Option D: 10 Correct answer B. 5 Show answer Open question
Question 04 / Boats and Streams A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively? A Option A: 2 : 1 B Option B: 3 : 2 C Option C: 8 : 3 D Option D: Cannot be determined E Option E: None of these Correct answer C. 8 : 3 Show answer Open question
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