Astudent walks from his house at 4 km per hour and reaches his school late by 5 minutes. If his speed has been 5 km per hour then he would have reached 10 .minutes early. The distance of the school from his house is. View Solution. Solve. Aboat can go 20 km upstream and 30 km downstream in 3 hrs. It can go 20 downstream and 10km upstream in 1 hrs 40 min . Find the speed of the boat in still water and speed of the stream. View Solution. Q3. A motorboat travels 30 km downstream in 3 hours and 40 km upstream in 5 hours. Find the speed of the boat (in km/hr). Explanation This is a ratio question Write 1 hour as 60 minutes. It is important to keep the units the same. Given: 5km 20 min Need distance in 1 hour -> 60 20minute 5k pace chart. To run a sub-20 minute 5km time then you’ll want to get your 5k pace at 6:26 minutes per mile or 4:00 minutes per kilometer to come in at just under 20km/min: 333.33 m/s: 21 km/min: 350.00 m/s: 22 km/min: 366.67 m/s: 23 km/min: 383.33 m/s: 24 km/min: 400.00 m/s: 25 km/min: 416.67 m/s: 26 km/min: 433.33 m/s: 27 km/min: 450.00 m/s: 28 km/min: 466.67 m/s: 29 km/min: 483.33 m/s: 30 km/min: 500.00 m/s: 31 km/min: 516.67 m/s: 32 km/min: 533.33 m/s: 33 km/min: 550.00 m/s: 34 Distancetravelled by car = 15 kmTime taken = 20 minutes(i) Speed of car in kmh −1Convert 20 minutes to hour1 minute = 601 hour∴ 20minutes = 601×20 = 31h = 15km×3h −1 = 45kmh −1 = 45kmh −1. Solve any question of Your20-minute 5k Training Plan Bored of lapping the park? Employ this session, from the team at Mammoth Track Club, once a week to run a faster 5k than you ever thought possible. What to Do Averagespeed: 249.5 km/h (155 mph) (duration: 7 minutes and 20 seconds) or: Cruising speed: 300 km/h (186 mph) another 20 min by subway from the city centre. In February 2003, the Shanghai Maglev train transported 18,000 guests during the first nine days of the Lunar New Year; Vay Tiền Cấp Tốc Online Cmnd.

5 km in 20 minutes speed