Question

Letter: To your friend tellin him about your trip to Phalgam
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Answer 1

Answer:

Sector 7,

Dwarka,

New Delhi

110006

Date- 16th August 2018

Dear Friend,

How are you? Everything is well at my end and hope the same with you. In this letter, I wanted to tell you about my trip to Pahalgam. I went there this summer vacation with my family. The hill station was very beautiful and refreshing. We visited the Mamal temple and Sheshnag Lake. We have clicked many photographs. I'll show them to you when you will come to my place.

For now, I’m ending the letter. Will talk about it more in another letter. Take care of yourself.

Your loving friend

XYZ

Answer 2

Answer:

1. A person is standing between two vertical mountains. the person fire a gun then hears the first echo from the nearby mountain in a time 3 second and here second echo from far mountain in a time 4 second. What is the distance between two mountains?

2. A boy is standing between two walls. the wall closer to him is at the distance of 680 m. if he shouts , he hears the first echo after 4 second and another after 2 second. What is the velocity of sound in air and what is the distance between two walls.

Explanation:

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