Welfare Association collected rupees 202500 as donation from the residence .If each paid as many Rupees as there were residents,find the number of residents
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Solution
Let the number of residents be x.
Therefore, According to question x people donated x rupees. So equation formed will be -
x × x = 202500
or, x² = 202500
or, ✓x² = ✓202500
or, x = 450
Answer ) There were 450 residents and each one of them paid 450 rupees for donation.