Question : Piu and Titu start from the same place at the same time and walk in opposite directions. If Piu walks at 5 km/hr and Titu walks at 2 km/hr, after what time will they be 10.5 km apart?

Option 1: 3.5 hours

Option 2: 1.5 hours

Option 3: 2.5 hours

Option 4: 2 hours

Question : A person walks 10 km at a speed of 2.5 km/hr, then runs 10 km at a speed of 5 km/hr and then goes 30 km by bus at the speed of 30 km/hr. What is the average speed of the man?

Option 1: 9 km/hr

Option 2: 8.25 km/hr

Option 3: 7.14 km/hr

Option 4: 7 km/hr

Question : A boy can row upstream at 12 km/hr and downstream at 23 km/hr. What is the speed of the stream?

Option 1: 3.5 km/hr

Option 2: 4.5 km/hr

Option 3: 6.5 km/hr

Option 4: 5.5 km/hr

Question : P and Q start from the same point and at the same time with speeds of 20 km/hr and 16km/hr respectively. What is the distance between P and Q after 4 hours if both move in the same direction?

Option 1: 12 km

Option 2: 20 km

Option 3: 15 km

Option 4: 16 km

Question : Trains A and B are running in the same direction at 40 km/hr and 60 km/hr, respectively. If both the trains start at the same time from the same place, then what will be the distance between them after 1 hour?

Option 1: 10 km

Option 2: 20 km

Option 3: 40 km

Option 4: 0 km

Question : An aeroplane covers a distance of 900 km in 1.5 hours. What is the speed of the aeroplane?

Option 1: 500 km/hr

Option 2: 300 km/hr

Option 3: 600 km/hr

Option 4: 400 km/hr