General Maths Puzzle Logical Reasoning Logical Sequences

100 people are standing in a circle. The person standing at number 1 is having a sword. He kills the person next to him with the sword and then gives the sword to the third person. This process is carried out till there is just one person left.
Can you find out who survives?

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General Other Question

the sum of two nos is 528 and their hcf is 33.what are pairs of numbers asatisfying the condition There are 2 women A and B .Each of them have 30 marbles. Woman A sells 2 marbles for 1 paise and woman B sells 3 marbles for 1 paise. At the end of the day woman A has 15 paise and woman B has 10 paise. So overall sell was of 25 paise. The next day both gave their share of 30-30 marbles to a person C and went out for a holiday. C instead of selling them at the respective rates opted another method.
In case of woman A , 2 marbles=1 paisa
In case of woman B, 3 marbles=1paisa
i.e. (2+3) marbles=2 paise
i.e. 1 paisa=2.5 marbles.
So C sold marbles@2.5 per paisa.
At the end of the day, C was left with only 24 paise rather than a total amount of 25 paise which he has to return to woman A and B. Where did 1 paisa go?