A secret can be told only 2 persons in 5 minutes .the
same person tells to 2 more persons and so on . How long
will take to tell it to 768 persons ?

Answer Posted / anbarasan

5 min-2
10-4
15-8
20-16
25-32
30-64
35-128
40-256
45-512
50-1024(Only 798)
Because we need 5 mins to tell the secret.
so ans is 50min.

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