Train A starts from Ahmadabad and Train B starts from Delhi at the sam

1.	Train A starts from Ahmadabad and Train B starts from Delhi at the same time. Train A reaches Delhi in 12 hours and Train B reaches Ahmedabad in 16 hours. Calculate the ratio of speeds of two trains.1. 2 : 12. 5 : 33. 4 : 34. 7 : 3
Answer» Correct Answer - Option 3 : 4 : 3 Given: Journey time Train A = 12 hours Journey time Train B = 16 hours Formula used: Speed = Distance/time 1 km/h = 5/18 m/s Calculations: Let the distance = 12 × 16 = 192 Km ⇒ Speed of Train A = 192/12 = 16 km/hr ⇒ Speed of Train B = 192/16 = 12 km/hr ⇒ Ratio of speed = 16 : 12 ⇒ Ratio of speed = 4 : 3 ∴ The Ratio of speed is 4 : 3 Note: (If the time taken by taken two trains is given to complete the same distance then we can find directly the ratio of Speed of the train) Ratio of speed of trains = 1/Ratio of time of train Ratio of Time of trains = 12 : 16 = 3 : 4 Ratio of speed of train = 16: 12 = 4 : 3

Train A starts from Ahmadabad and Train B starts from Delhi at the same time. Train A reaches Delhi in 12 hours and Train B reaches Ahmedabad in 16 hours. Calculate the ratio of speeds of two trains.1. 2 : 12. 5 : 33. 4 : 34. 7 : 3

Answer» Correct Answer - Option 3 : 4 : 3

Given:

Journey time Train A = 12 hours

Journey time Train B = 16 hours

Formula used:

Speed = Distance/time

1 km/h = 5/18 m/s

Calculations:

Let the distance = 12 × 16 = 192 Km

⇒ Speed of Train A = 192/12 = 16 km/hr

⇒ Speed of Train B = 192/16 = 12 km/hr

⇒ Ratio of speed = 16 : 12

⇒ Ratio of speed = 4 : 3

∴ The Ratio of speed is 4 : 3

Note:

(If the time taken by taken two trains is given to complete the same distance then we can find directly the ratio of Speed of the train)

Ratio of speed of trains = 1/Ratio of time of train

Ratio of Time of trains = 12 : 16 = 3 : 4

Ratio of speed of train = 16: 12 = 4 : 3

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