Discussion

Explanation:

Consider the solution to the first question of this set.

n^th beggar will receive money from as many people as the number of factors of n.

∴ Those beggars will receive money from odd number of people whose number has odd number of factors.

Only perfect squares have odd number of factors.

⇒ Beggars with perfect square numbers will receive money from odd number of people.

There are 10 perfect squares from 1 to 100.

Hence, 10.

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