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Solution


Q.

The Burj Khalifa, located in Dubai, United Arab Emirates, is the tallest tower in the world, standing at approximately 828 m. It features the highest observation deck open to the public. While walking on the deck, a person observed the shadows of the Burj Khalifa and nearby buildings. At one point, he noted that the shadow of the Burj Khalifa measured 207 m, while the shadow of a building named ‘P’ was 46 m long.

Based on the above information answer the following questions:

 

(iii)  (b) At the same instance when the length of the shadow of Burj Khalifa was 207 m, what will be the length of the shadow of building ‘Q’ of height 108 m
1 27  
2 30  
3 25  
4 32  

Ans.

(1)

We have, 

828108=207Length of shadow of building Q⇒Length of shadow of building Q=207×108828=27 m