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 / m.ismail

45min

1+2 - 5 min.
2+4 - 10min
4+8 - 15min
...
256+512 - 45min

Is This Answer Correct ?    1 Yes 2 No



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