Question 161038
climbing for 3 hrs (8am-5am) at a rate of 240m/h, the climber covers 720m (240m * 3)to reach the 6500m level


the base camp is 720m below the 6500m level, or 5780m


the summit is 1620m (7400-5780) above the base camp


it takes 1620/240 or 6.75 hr to make the climb


arrival time is 5+6.75 or 11:45am