Question

After going some distance against the current, his hat fell off. After 12 minutes, the team also remembered that he did not have a hat on his head. When he returned, he got the hat in the first place.distance between falling hat and starting point 2 km. What is the velocity of the current. solve the math​

Answer 1

Answer:

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Answer 2

Answer:

Given that a man leaves his home and walks at a speed of 12 km per hour, reaching the railway station 10 minutes after the train had departed.

If instead he had walked at a speed of 15 km per hour, he would have reached the station 10 minutes before the train's departure.

⟹ d12 is one time taken and d15 is another time taken.

The difference between these two times is 20 minutes

We have to find the distance (in km) from his home to the railway station.

$20 mins is 1313rd of an hour.</p><p>⟹ d12d12 = d15d15 + 1313</p><p>⟹ d12d12 - d15d15 = 1313</p><p>⟹ 5d−4d605d−4d60 = 1313</p><p>⟹ d60d60 = 1313</p><p>⟹ d = 20 km$

The distance (in km) from his home to the railway station is 20 km.

Important point to remember is that we don’t need to take the actual time here, we can take that difference of 10 minutes before and 10 minutes after which is equal to 20 minutes i.e. 13rd of an hour.

The question is "A man leaves his home and walks at a speed of 12 km per hour, reaching the railway station 10 minutes after the train had departed. If instead he had walked at a speed of 15 km per hour, he would have reached the station 10 minutes before the train's departure. The distance (in km) from his home to the railway station is: [TITA]"

Hence, the answer is 20 km

Step-by-step explanation:

hope it helps you ☺️✌️