25. It takes five minutes to pass a rumour from one
person to two other persons. The tree of rumour continues.
Find how many minutes does it take spread the rumour to 768
persons. ?
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Answer Posted / pradeep
// It's a combination of 1+2+4+8+16+.... and each intervl
takes 5 minutes.
so use the below logic to find out the ryt answer
int time;
for ( int i=0,sum=0;sum<=768;i++)
{
sum = sum+(2*i);
time = 5*i;
}
printf("time in min %d \r\n"),time);
correct answer is 140 minutes [ nothng but 2 hours 20 min]
return TRUE;
| Is This Answer Correct ? | 4 Yes | 12 No |
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