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. ?
Answer Posted / manish panwar
// It's a combination of 1+2+4+8+16+.... and each intervl
takes 5 minutes.
SO
1+2+4+8+16+32+64+128+256+512+1024
11*5 = 55 MINTS IN TOTAL .
Is This Answer Correct ? | 11 Yes | 5 No |
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