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A vertical stick 20m long casts a shadow 10m long on the ground. At the same time a tower casts a shadow 50m long. What is the height of the tower?

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A vertical stick 20m long casts a shadow 10m long on the ground. At the same time a tower casts a shadow 50m long. What is the height of the tower?

(a) 30m

(b) 50m

(c) 80m

(d) 100m

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Correct answer is: (d) 100m

Height of Vertical stick/Shadow of vertical stick=height of tower/shadow of tower

20/10=Height of tower/50

Height of tower=100 m

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