There are 100 persons sitting at equal d...

There are 100 persons sitting at equal distances in a row XY. Laughing gas `(N_(2)O)` is released from the side X and tear gas (mol. Mass=176) from side Y at the same moment and at the same pressure. The person who will have a tendency to laugh and weep simultaneously is-

34th from side X

67th from side X

76th from side X

67th from side Y

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