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Grade: 12th pass
        
u have a cup of cake which u r taking to your frnd home. on the way to your frnd's home u have to cross 7 bridges. at each bridge a demon is standing. he takes half of the cake with u and then gives u back doubling the half he took. if u have started with 2 cakes. how many cakes are there when u reach ur frnd's home?
3 years ago

Answers : (1)

Nishant Vora
IIT Patna
askIITians Faculty
2467 Points
							Everytime you cross a bridge the cake be incresed 1.5 times

after 7 bridges , you have (1.5)^7 cakes
3 years ago
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