Echo: If we shout or clap near a suitable reflecting object such as a tall building or a mountain, we will hear the same sound again a little later. This sound which we hear is called an echo. Echoes are heard due to the phenomenon of Reflection of sound waves. To hear the echo clearly, the reflecting object must be more than 17.2 m from the sound source for the echo to be heard by a person standing at the source.
Himani is standing facing south. She walks 16km straight, then turns left and walks another 13km and turns right and walks 7km. Finally turns left and ...
Rohit eats more than Ankit, Shubham eats less than Prabhu but more than Ankit. Rohit eats less than Shubham. Who eats the most in the group?
Pawan walks 14 km in south direction then turns towards his right and walks 7 km. Then takes two consecutive left turns of 2 km and 11 km respectively. ...
Julia started walking towards North. After walking 30 meters she turned right and walked 40 meters and took a left turn and walked 20 meter. Aga...
In which direction is point N with respect to point L?
If point W is west of point E and north of point P, then what is the distance between A and W?
In which direction E standing with respect to I?
Santosh started from his house and walked 13m east, then he takes a left and walked 7m. Then again he takes a left and walks 8m. He finally takes right ...
I drove 25 km towards east from a city ‘A’ and then turned left and drove another 15 km. Now I turned to my right & drove another 15 km. Finally I t...
Study the following information carefully and answer the given questions:
Point T is 16 m east of point U. Point U is 6 m north of point V and ...
