Question

100 People standing in a circle in an order 1 to 100. No. 1 has a sword. He kills the next person (i.e. No. 2) and gives the sword to the next (i.e. No. 3). All people do the same until only 1 survives at the last?
There are 100 people starting from 1 to 100.
(a) 9
(b) 11
(c) 41
(d) 73​

Answer 1

Answer:

d) 73

Step-by-step explanation:

Here, we can define an array with 100 elements with values from 1 to 100.

Round 1: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99

Round 2: 1, 5, 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89, 93, 97

Round 3: 1, 9, 17, 25, 33, 41, 49, 57, 65, 73, 81, 89, 97

Round 4: 9, 25, 41, 57, 73, 89

Round 5: 9, 41, 73

Round 6: 9, 73

Round 7: 73

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