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Grade: 8
        
A monkey fell into a well of depth 6metres.Every time it jumped up,it would gain 1metre but, by the time it took another jump it depletes 0.5 metres.In how many jumps will it reach 6bmetres.
20 days ago

Answers : (1)

Arun
16262 Points
							
Dear student
 
let the monkey jumps n times in which it does not go back and n-1 times it slips.
 
hence
 
n –  0.5(n- 1) = 6
 
0.5 n = 5
 
n = 10. ....
 
hence in 20 steps it will come out
20 days ago
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